TROJ_YUQMIA.A

January 10, 2015

ALIASES:

RDN/Generic PUP.x!cqh. (McAfee); PUA.Gen.2 (Symantec); Trojan.Win32.Generic!BT (Sunbelt)

PLATFORM:

Windows

OVERALL RISK RATING:

DAMAGE POTENTIAL:

DISTRIBUTION POTENTIAL:

REPORTED INFECTION:

Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes

OVERVIEW

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

TECHNICAL DETAILS

File Size:

162,816 bytes

File Type:

EXE

Memory Resident:

Initial Samples Received Date:

10 Jan 2015

Arrival Details

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Installation

This Trojan creates the following folders:

%User Temp%/4a4d12f3
%User Temp%/4a4d12f3/NbD@jK.net
%User Temp%/4a4d12f3/NbD@jK.net/content
%User Temp%/4a4d12f3/icgankdjlnjmamhcokkgokbfcohilpig
%System Root%\Documents and Settings\Administrator
%Application Data%\Google
%Application Data%\Google\Chrome
%Application Data%\Google\Chrome\User Data
%Application Data%\Google\Chrome\User Data\Default
%Application Data%\Google\Chrome\User Data\Default\Extensions
%Application Data%\Google\Chrome\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig
%Application Data%\Google\Chrome\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2
%System Root%\Documents and Settings\ASPNET
%System Root%\Documents and Settings\Guest
%System Root%\Documents and Settings\HelpAssistant
%System Root%\Documents and Settings\SUPPORT_388945a0
%Application Data%\Comodo
%Application Data%\Comodo\Dragon
%Application Data%\Comodo\Dragon\User Data
%Application Data%\Comodo\Dragon\User Data\Default
%Application Data%\Comodo\Dragon\User Data\Default\Extensions
%Application Data%\Comodo\Dragon\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig
%Application Data%\Comodo\Dragon\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2
%Application Data%\Google\Chrome SxS
%Application Data%\Google\Chrome SxS\User Data
%Application Data%\Google\Chrome SxS\User Data\Default
%Application Data%\Google\Chrome SxS\User Data\Default\Extensions
%Application Data%\Google\Chrome SxS\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig
%Application Data%\Google\Chrome SxS\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2
%Application Data%\Torch
%Application Data%\Torch\User Data
%Application Data%\Torch\User Data\Default
%Application Data%\Torch\User Data\Default\Extensions
%Application Data%\Torch\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig
%Application Data%\Torch\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2
%Application Data%\Chromatic Browser
%Application Data%\Chromatic Browser\User Data
%Application Data%\Chromatic Browser\User Data\Default
%Application Data%\Chromatic Browser\User Data\Default\Extensions
%Application Data%\Chromatic Browser\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig
%Application Data%\Chromatic Browser\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2
%System%\GroupPolicy
%System%\GroupPolicy\Machine
%System%\GroupPolicy\User
%Program Files%\PriceLess
%User Profile%\Application Data\PriceLess
%User Profile%\Application Data\2635c994ef08bff3

(Note: %User Temp% is the user's temporary folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Temp on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.. %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.. %Application Data% is the Application Data folder, where it usually is C:\Documents and Settings\{user name}\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.. %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.. %Program Files% is the Program Files folder, where it usually is C:\Program Files on all Windows operating system versions; C:\Program Files (x86) for 32-bit applications running on Windows 64-bit operating systems.. %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.)

Autostart Technique

This Trojan registers itself as a BHO to ensure its automatic execution every time Internet Explorer is used by adding the following registry keys:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects\{1f55bb1f-1674-4731-adff-0dcaaeee591c}

Other System Modifications

This Trojan adds the following registry keys:

HKEY_LOCAL_MACHINE\SOFTWARE\Google\
Update\ClientState\{8A69D345-D564-463C-AFF1-A69D9E530F96}

HKEY_LOCAL_MACHINE\SOFTWARE\Google\
Update\ClientState\{4DC8B4CA-1BDA-483e-B5FA-D3C12E15B62D}

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\
Google\Update

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Group Policy Objects\
{20F26F55-D273-4B88-919B-FDEC596378E8}User

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Group Policy Objects\
{20F26F55-D273-4B88-919B-FDEC596378E8}Machine

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Group Policy Objects\
{20F26F55-D273-4B88-919B-FDEC596378E8}Machine\Software\Policies\
Google\Chrome

HKEY_CURRENT_USER\Software\RegisteredApplicationsEx

HKEY_CLASSES_ROOT\..9

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
..9\CLSID

HKEY_CLASSES_ROOT\.

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
.\CLSID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
.\CurVer

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{1f55bb1f-1674-4731-adff-0dcaaeee591c}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{1f55bb1f-1674-4731-adff-0dcaaeee591c}\ProgID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{1f55bb1f-1674-4731-adff-0dcaaeee591c}\VersionIndependentProgID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{1f55bb1f-1674-4731-adff-0dcaaeee591c}\Programmable

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{1f55bb1f-1674-4731-adff-0dcaaeee591c}\InprocServer32

HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\ApprovedExtensionsMigration

HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\ApprovedExtensionsMigration\{1f55bb1f-1674-4731-adff-0dcaaeee591c}

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\policies\
Ext

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\policies\
Ext\CLSID

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Ext

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Ext\
PreApproved

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Ext\
PreApproved\{1f55bb1f-1674-4731-adff-0dcaaeee591c}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\
FLAGS

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\
0

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\
0\win32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\
HELPDIR

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{75F9BF4A-AF67-A478-A37B-31D73186D3F3}

It adds the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Google\
Update\ClientState\{8A69D345-D564-463C-AFF1-A69D9E530F96}
ap = "2.0-dev-multi-chrome"

HKEY_LOCAL_MACHINE\SOFTWARE\Google\
Update\ClientState\{4DC8B4CA-1BDA-483e-B5FA-D3C12E15B62D}
ap = "-dev-multi-chrome"

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\
Google\Update
UpdateDefault = "0"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Group Policy Objects\
{20F26F55-D273-4B88-919B-FDEC596378E8}Machine\Software\Policies\
Google\Chrome
MetricsReportingEnabled = "0"

HKEY_CURRENT_USER\Software\RegisteredApplicationsEx
6e14f29f9d6bde90f2f87fb216ad1670 = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects\{1f55bb1f-1674-4731-adff-0dcaaeee591c}
NoExplorer = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{1f55bb1f-1674-4731-adff-0dcaaeee591c}\InprocServer32
ThreadingModel = "Apartment"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\policies\
Ext\CLSID
{1f55bb1f-1674-4731-adff-0dcaaeee591c} = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib
Version = "1.0"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib
Version = "1.0"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib
Version = "1.0"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{75F9BF4A-AF67-A478-A37B-31D73186D3F3}
UninstallString = "{random characters}"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{75F9BF4A-AF67-A478-A37B-31D73186D3F3}
SilentUninstall = "{random characters}"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{75F9BF4A-AF67-A478-A37B-31D73186D3F3}
DisplayName = "PriceLess"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{75F9BF4A-AF67-A478-A37B-31D73186D3F3}
URLInfoAbout = "http://{BLOCKED}essorsoft.com"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{75F9BF4A-AF67-A478-A37B-31D73186D3F3}
URLUpdateInfo = "http://{BLOCKED}essorsoft.com"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{75F9BF4A-AF67-A478-A37B-31D73186D3F3}
DisplayVersion = "2.1.0.1434"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{75F9BF4A-AF67-A478-A37B-31D73186D3F3}
NoRepair = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{75F9BF4A-AF67-A478-A37B-31D73186D3F3}
NoModify = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{75F9BF4A-AF67-A478-A37B-31D73186D3F3}
CategoryName = "Apps"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{75F9BF4A-AF67-A478-A37B-31D73186D3F3}
InstallDate = "20141203"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{75F9BF4A-AF67-A478-A37B-31D73186D3F3}
DisplayIcon = "%System%\msiexec.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{75F9BF4A-AF67-A478-A37B-31D73186D3F3}
_In = "20141203"

It deletes the following registry keys:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Group Policy Objects

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Group Policy Objects\
{20F26F55-D273-4B88-919B-FDEC596378E8}Machine\Software

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Group Policy Objects\
{20F26F55-D273-4B88-919B-FDEC596378E8}Machine\Software\Policies

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Group Policy Objects\
{20F26F55-D273-4B88-919B-FDEC596378E8}Machine\Software\Policies\
Google

Dropping Routine

This Trojan drops the following files:

%User Temp%\294823_.exe
%User Temp%/4a4d12f3/wSvlNDSAvgxoxt7.dat
%User Temp%/4a4d12f3/iLAdyNbtWxzj7Q.dll
%User Temp%/4a4d12f3/iLAdyNbtWxzj7Q.tlb
%User Temp%/4a4d12f3/iLAdyNbtWxzj7Q.x64.dll
%User Temp%/4a4d12f3/NbD@jK.net/content/bg.js
%User Temp%/4a4d12f3/NbD@jK.net/bootstrap.js
%User Temp%/4a4d12f3/NbD@jK.net/chrome.manifest
%User Temp%/4a4d12f3/NbD@jK.net/install.rdf
%User Temp%/4a4d12f3/icgankdjlnjmamhcokkgokbfcohilpig/ImB7o.js
%User Temp%/4a4d12f3/icgankdjlnjmamhcokkgokbfcohilpig/background.html
%User Temp%/4a4d12f3/icgankdjlnjmamhcokkgokbfcohilpig/manifest.json
%User Temp%/4a4d12f3/icgankdjlnjmamhcokkgokbfcohilpig/content.js
%User Temp%/4a4d12f3/icgankdjlnjmamhcokkgokbfcohilpig/lsdb.js
%Application Data%\Google\Chrome\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\background.html
%Application Data%\Google\Chrome\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\content.js
%Application Data%\Google\Chrome\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\ImB7o.js
%Application Data%\Google\Chrome\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\lsdb.js
%Application Data%\Google\Chrome\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\manifest.json
%Application Data%\Comodo\Dragon\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\background.html
%Application Data%\Comodo\Dragon\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\content.js
%Application Data%\Comodo\Dragon\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\ImB7o.js
%Application Data%\Comodo\Dragon\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\lsdb.js
%Application Data%\Comodo\Dragon\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\manifest.json
%Application Data%\Google\Chrome SxS\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\background.html
%Application Data%\Google\Chrome SxS\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\content.js
%Application Data%\Google\Chrome SxS\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\ImB7o.js
%Application Data%\Google\Chrome SxS\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\lsdb.js
%Application Data%\Google\Chrome SxS\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\manifest.json
%Application Data%\Torch\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\background.html
%Application Data%\Torch\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\content.js
%Application Data%\Torch\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\ImB7o.js
%Application Data%\Torch\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\lsdb.js
%Application Data%\Torch\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\manifest.json
%Application Data%\Chromatic Browser\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\background.html
%Application Data%\Chromatic Browser\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\content.js
%Application Data%\Chromatic Browser\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\ImB7o.js
%Application Data%\Chromatic Browser\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\lsdb.js
%Application Data%\Chromatic Browser\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\manifest.json
%System%\GroupPolicy\Machine\Registry.pol
%Program Files%\PriceLess\iLAdyNbtWxzj7Q.dll
%Program Files%\PriceLess\iLAdyNbtWxzj7Q.tlb
%Program Files%\PriceLess\iLAdyNbtWxzj7Q.dat
%Program Files%\PriceLess\iLAdyNbtWxzj7Q.x64.dll
%User Profile%\PriceLess\wSvlNDSAvgxoxt7.exe
%User Profile%\PriceLess\wSvlNDSAvgxoxt7.dat
%User Profile%\2635c994ef08bff3\{75F9BF4A-AF67-A478-A37B-31D73186D3F3}.20141203082306

(Note: %User Temp% is the user's temporary folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Temp on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.. %Application Data% is the Application Data folder, where it usually is C:\Documents and Settings\{user name}\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.. %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.. %Program Files% is the Program Files folder, where it usually is C:\Program Files on all Windows operating system versions; C:\Program Files (x86) for 32-bit applications running on Windows 64-bit operating systems.. %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.)

Other Details

This Trojan connects to the following possibly malicious URL:

http://download.{BLOCKED}zillionopticusanews.info/?{random characters}
{BLOCKED}.191.183

This report is generated via an automated analysis system.

SOLUTION

Minimum Scan Engine:

9.700

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Close all opened browser windows

Step 3

Delete this registry key

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

In HKEY_LOCAL_MACHINE\SOFTWARE\Google\Update\ClientState
- {8A69D345-D564-463C-AFF1-A69D9E530F96}

In HKEY_LOCAL_MACHINE\SOFTWARE\Google\Update\ClientState
- {4DC8B4CA-1BDA-483e-B5FA-D3C12E15B62D}

In HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Google
- Update

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Group Policy Objects
- {20F26F55-D273-4B88-919B-FDEC596378E8}User

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Group Policy Objects
- {20F26F55-D273-4B88-919B-FDEC596378E8}Machine

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Group Policy Objects\{20F26F55-D273-4B88-919B-FDEC596378E8}Machine\Software\Policies\Google
- Chrome

In HKEY_CURRENT_USER\Software
- RegisteredApplicationsEx

In HKEY_CLASSES_ROOT
- ..9

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\..9
- CLSID

In HKEY_CLASSES_ROOT
- .

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.
- CLSID

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.
- CurVer

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID
- {1f55bb1f-1674-4731-adff-0dcaaeee591c}

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{1f55bb1f-1674-4731-adff-0dcaaeee591c}
- ProgID

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{1f55bb1f-1674-4731-adff-0dcaaeee591c}
- VersionIndependentProgID

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{1f55bb1f-1674-4731-adff-0dcaaeee591c}
- Programmable

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{1f55bb1f-1674-4731-adff-0dcaaeee591c}
- InprocServer32

In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer
- ApprovedExtensionsMigration

In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration
- {1f55bb1f-1674-4731-adff-0dcaaeee591c}

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies
- Ext

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Ext
- CLSID

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion
- Ext

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext
- PreApproved

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\PreApproved
- {1f55bb1f-1674-4731-adff-0dcaaeee591c}

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib
- {E2343056-CC08-46AC-B898-BFC7ACF4E755}

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}
- 1.0

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0
- FLAGS

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0
- 0

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0
- win32

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0
- HELPDIR

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface
- {9B41579A-1996-42F9-8F84-7B7786818CEF}

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}
- ProxyStubClsid

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}
- ProxyStubClsid32

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}
- TypeLib

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface
- {7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}
- ProxyStubClsid

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}
- ProxyStubClsid32

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}
- TypeLib

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface
- {EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}
- ProxyStubClsid

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}
- ProxyStubClsid32

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}
- TypeLib

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall
- {75F9BF4A-AF67-A478-A37B-31D73186D3F3}

To delete the registry key this malware/grayware created:

Open Registry Editor.
» For Windows 2000, Windows XP, and Windows Server 2003 users, click Start>Run, type regedit in the text box provided, and then press Enter.
» For Windows Vista, Windows 7, and Windows Server 2008 users, click the Start button, type regedit in the Search input field then press Enter.
» For Windows 8, Windows 8.1, and Windows Server 2012 users, right-click on the lower left corner of the screen, click Run, type regedit in the text box provided, and then press Enter.
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Google>Update>ClientState
Still in the left panel, locate and delete the key:
{8A69D345-D564-463C-AFF1-A69D9E530F96}
Again Still in the left panel, locate and delete the key:
{4DC8B4CA-1BDA-483e-B5FA-D3C12E15B62D}
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Policies>Google
Still in the left panel, locate and delete the key:
Update
In the left panel, double-click the following:
HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Group Policy Objects
Still in the left panel, locate and delete the key:
{20F26F55-D273-4B88-919B-FDEC596378E8}User
Again Still in the left panel, locate and delete the key:
{20F26F55-D273-4B88-919B-FDEC596378E8}Machine
In the left panel, double-click the following:
HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Group Policy Objects>{20F26F55-D273-4B88-919B-FDEC596378E8}Machine>Software>Policies>Google
Still in the left panel, locate and delete the key:
Chrome
In the left panel, double-click the following:
HKEY_CURRENT_USER>Software
Still in the left panel, locate and delete the key:
RegisteredApplicationsEx
In the left panel, double-click the following:
HKEY_CLASSES_ROOT
Still in the left panel, locate and delete the key:
..9
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>..9
Still in the left panel, locate and delete the key:
CLSID
Again Still in the left panel, locate and delete the key:
.
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>.
Still in the left panel, locate and delete the key:
CLSID
Again Still in the left panel, locate and delete the key:
CurVer
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>CLSID
Still in the left panel, locate and delete the key:
{1f55bb1f-1674-4731-adff-0dcaaeee591c}
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>CLSID>{1f55bb1f-1674-4731-adff-0dcaaeee591c}
Still in the left panel, locate and delete the key:
ProgID
Again Still in the left panel, locate and delete the key:
VersionIndependentProgID
Again Still in the left panel, locate and delete the key:
Programmable
Again Still in the left panel, locate and delete the key:
InprocServer32
In the left panel, double-click the following:
HKEY_CURRENT_USER>Software>Microsoft>Internet Explorer
Still in the left panel, locate and delete the key:
ApprovedExtensionsMigration
In the left panel, double-click the following:
HKEY_CURRENT_USER>Software>Microsoft>Internet Explorer>ApprovedExtensionsMigration
Still in the left panel, locate and delete the key:
{1f55bb1f-1674-4731-adff-0dcaaeee591c}
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>policies
Still in the left panel, locate and delete the key:
Ext
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>policies>Ext
Still in the left panel, locate and delete the key:
CLSID
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion
Still in the left panel, locate and delete the key:
Ext
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>Ext
Still in the left panel, locate and delete the key:
PreApproved
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>Ext>PreApproved
Still in the left panel, locate and delete the key:
{1f55bb1f-1674-4731-adff-0dcaaeee591c}
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>TypeLib
Still in the left panel, locate and delete the key:
{E2343056-CC08-46AC-B898-BFC7ACF4E755}
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>TypeLib>{E2343056-CC08-46AC-B898-BFC7ACF4E755}
Still in the left panel, locate and delete the key:
1.0
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>TypeLib>{E2343056-CC08-46AC-B898-BFC7ACF4E755}>1.0
Still in the left panel, locate and delete the key:
FLAGS
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>TypeLib>{E2343056-CC08-46AC-B898-BFC7ACF4E755}>1.0>0
Still in the left panel, locate and delete the key:
win32
Again Still in the left panel, locate and delete the key:
HELPDIR
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Interface
Still in the left panel, locate and delete the key:
{9B41579A-1996-42F9-8F84-7B7786818CEF}
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Interface>{9B41579A-1996-42F9-8F84-7B7786818CEF}
Still in the left panel, locate and delete the key:
ProxyStubClsid
Again Still in the left panel, locate and delete the key:
ProxyStubClsid32
Again Still in the left panel, locate and delete the key:
TypeLib
Again Still in the left panel, locate and delete the key:
{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Interface>{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}
Still in the left panel, locate and delete the key:
ProxyStubClsid
Again Still in the left panel, locate and delete the key:
ProxyStubClsid32
Again Still in the left panel, locate and delete the key:
TypeLib
Again Still in the left panel, locate and delete the key:
{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Interface>{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}
Still in the left panel, locate and delete the key:
ProxyStubClsid
Again Still in the left panel, locate and delete the key:
ProxyStubClsid32
Again Still in the left panel, locate and delete the key:
TypeLib
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>Uninstall
Still in the left panel, locate and delete the key:
{75F9BF4A-AF67-A478-A37B-31D73186D3F3}
Close Registry Editor.

Step 4

Delete this registry value

[ Learn More ]

In HKEY_LOCAL_MACHINE\SOFTWARE\Google\Update\ClientState\{8A69D345-D564-463C-AFF1-A69D9E530F96}
- ap = "2.0-dev-multi-chrome"

In HKEY_LOCAL_MACHINE\SOFTWARE\Google\Update\ClientState\{4DC8B4CA-1BDA-483e-B5FA-D3C12E15B62D}
- ap = "-dev-multi-chrome"

In HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Google\Update
- UpdateDefault = "0"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Group Policy Objects\{20F26F55-D273-4B88-919B-FDEC596378E8}Machine\Software\Policies\Google\Chrome
- MetricsReportingEnabled = "0"

In HKEY_CURRENT_USER\Software\RegisteredApplicationsEx
- 6e14f29f9d6bde90f2f87fb216ad1670 = "1"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1f55bb1f-1674-4731-adff-0dcaaeee591c}
- NoExplorer = "1"

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{1f55bb1f-1674-4731-adff-0dcaaeee591c}\InprocServer32
- ThreadingModel = "Apartment"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Ext\CLSID
- {1f55bb1f-1674-4731-adff-0dcaaeee591c} = "1"

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib
- Version = "1.0"

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib
- Version = "1.0"

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib
- Version = "1.0"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{75F9BF4A-AF67-A478-A37B-31D73186D3F3}
- UninstallString = "{random characters}"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{75F9BF4A-AF67-A478-A37B-31D73186D3F3}
- SilentUninstall = "{random characters}"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{75F9BF4A-AF67-A478-A37B-31D73186D3F3}
- DisplayName = "PriceLess"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{75F9BF4A-AF67-A478-A37B-31D73186D3F3}
- URLInfoAbout = "http://{BLOCKED}essorsoft.com"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{75F9BF4A-AF67-A478-A37B-31D73186D3F3}
- URLUpdateInfo = "http://{BLOCKED}essorsoft.com"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{75F9BF4A-AF67-A478-A37B-31D73186D3F3}
- DisplayVersion = "2.1.0.1434"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{75F9BF4A-AF67-A478-A37B-31D73186D3F3}
- NoRepair = "1"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{75F9BF4A-AF67-A478-A37B-31D73186D3F3}
- NoModify = "1"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{75F9BF4A-AF67-A478-A37B-31D73186D3F3}
- CategoryName = "Apps"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{75F9BF4A-AF67-A478-A37B-31D73186D3F3}
- InstallDate = "20141203"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{75F9BF4A-AF67-A478-A37B-31D73186D3F3}
- DisplayIcon = "%System%\msiexec.exe"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{75F9BF4A-AF67-A478-A37B-31D73186D3F3}
- _In = "20141203"

To delete the registry value this malware/grayware created:

Open Registry Editor.
» For Windows 2000, Windows XP, and Windows Server 2003 users, click Start>Run, type regedit in the text box provided, and then press Enter.
» For Windows Vista, Windows 7, and Windows Server 2008 users, click the Start button, type regedit in the Search input field then press Enter.
» For Windows 8, Windows 8.1, and Windows Server 2012 users, right-click on the lower-left corner of the screen, click Run, type regedit in the text box provided, and then press Enter.
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Google>Update>ClientState>{8A69D345-D564-463C-AFF1-A69D9E530F96}
In the right panel, locate and delete the entry:
ap = "2.0-dev-multi-chrome"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Google>Update>ClientState>{4DC8B4CA-1BDA-483e-B5FA-D3C12E15B62D}
In the right panel, locate and delete the entry:
ap = "-dev-multi-chrome"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Policies>Google>Update
In the right panel, locate and delete the entry:
UpdateDefault = "0"
In the left panel, double-click the following:
HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Group Policy Objects>{20F26F55-D273-4B88-919B-FDEC596378E8}Machine>Software>Policies>Google>Chrome
In the right panel, locate and delete the entry:
MetricsReportingEnabled = "0"
In the left panel, double-click the following:
HKEY_CURRENT_USER>Software>RegisteredApplicationsEx
In the right panel, locate and delete the entry:
6e14f29f9d6bde90f2f87fb216ad1670 = "1"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>Explorer>Browser Helper Objects>{1f55bb1f-1674-4731-adff-0dcaaeee591c}
In the right panel, locate and delete the entry:
NoExplorer = "1"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>CLSID>{1f55bb1f-1674-4731-adff-0dcaaeee591c}>InprocServer32
In the right panel, locate and delete the entry:
ThreadingModel = "Apartment"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>policies>Ext>CLSID
In the right panel, locate and delete the entry:
{1f55bb1f-1674-4731-adff-0dcaaeee591c} = "1"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Interface>{9B41579A-1996-42F9-8F84-7B7786818CEF}>TypeLib
In the right panel, locate and delete the entry:
Version = "1.0"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Interface>{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}>TypeLib
In the right panel, locate and delete the entry:
Version = "1.0"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Interface>{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}>TypeLib
In the right panel, locate and delete the entry:
Version = "1.0"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>Uninstall>{75F9BF4A-AF67-A478-A37B-31D73186D3F3}
In the right panel, locate and delete the entry:
UninstallString = "{random characters}"
Again In the right panel, locate and delete the entry:
SilentUninstall = "{random characters}"
Again In the right panel, locate and delete the entry:
DisplayName = "PriceLess"
Again In the right panel, locate and delete the entry:
URLInfoAbout = "http://{BLOCKED}essorsoft.com"
Again In the right panel, locate and delete the entry:
URLUpdateInfo = "http://{BLOCKED}essorsoft.com"
Again In the right panel, locate and delete the entry:
DisplayVersion = "2.1.0.1434"
Again In the right panel, locate and delete the entry:
NoRepair = "1"
Again In the right panel, locate and delete the entry:
NoModify = "1"
Again In the right panel, locate and delete the entry:
CategoryName = "Apps"
Again In the right panel, locate and delete the entry:
InstallDate = "20141203"
Again In the right panel, locate and delete the entry:
DisplayIcon = "%System%\msiexec.exe"
Again In the right panel, locate and delete the entry:
_In = "20141203"
Close Registry Editor.

Step 5

Search and delete these components

[ Learn More ]

There may be some components that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.

%User Temp%\294823_.exe
%User Temp%/4a4d12f3/wSvlNDSAvgxoxt7.dat
%User Temp%/4a4d12f3/iLAdyNbtWxzj7Q.dll
%User Temp%/4a4d12f3/iLAdyNbtWxzj7Q.tlb
%User Temp%/4a4d12f3/iLAdyNbtWxzj7Q.x64.dll
%User Temp%/4a4d12f3/NbD@jK.net/content/bg.js
%User Temp%/4a4d12f3/NbD@jK.net/bootstrap.js
%User Temp%/4a4d12f3/NbD@jK.net/chrome.manifest
%User Temp%/4a4d12f3/NbD@jK.net/install.rdf
%User Temp%/4a4d12f3/icgankdjlnjmamhcokkgokbfcohilpig/ImB7o.js
%User Temp%/4a4d12f3/icgankdjlnjmamhcokkgokbfcohilpig/background.html
%User Temp%/4a4d12f3/icgankdjlnjmamhcokkgokbfcohilpig/manifest.json
%User Temp%/4a4d12f3/icgankdjlnjmamhcokkgokbfcohilpig/content.js
%User Temp%/4a4d12f3/icgankdjlnjmamhcokkgokbfcohilpig/lsdb.js
%Application Data%\Google\Chrome\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\background.html
%Application Data%\Google\Chrome\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\content.js
%Application Data%\Google\Chrome\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\ImB7o.js
%Application Data%\Google\Chrome\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\lsdb.js
%Application Data%\Google\Chrome\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\manifest.json
%Application Data%\Comodo\Dragon\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\background.html
%Application Data%\Comodo\Dragon\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\content.js
%Application Data%\Comodo\Dragon\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\ImB7o.js
%Application Data%\Comodo\Dragon\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\lsdb.js
%Application Data%\Comodo\Dragon\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\manifest.json
%Application Data%\Google\Chrome SxS\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\background.html
%Application Data%\Google\Chrome SxS\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\content.js
%Application Data%\Google\Chrome SxS\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\ImB7o.js
%Application Data%\Google\Chrome SxS\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\lsdb.js
%Application Data%\Google\Chrome SxS\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\manifest.json
%Application Data%\Torch\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\background.html
%Application Data%\Torch\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\content.js
%Application Data%\Torch\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\ImB7o.js
%Application Data%\Torch\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\lsdb.js
%Application Data%\Torch\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\manifest.json
%Application Data%\Chromatic Browser\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\background.html
%Application Data%\Chromatic Browser\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\content.js
%Application Data%\Chromatic Browser\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\ImB7o.js
%Application Data%\Chromatic Browser\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\lsdb.js
%Application Data%\Chromatic Browser\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\manifest.json
%System%\GroupPolicy\Machine\Registry.pol
%Program Files%\PriceLess\iLAdyNbtWxzj7Q.dll
%Program Files%\PriceLess\iLAdyNbtWxzj7Q.tlb
%Program Files%\PriceLess\iLAdyNbtWxzj7Q.dat
%Program Files%\PriceLess\iLAdyNbtWxzj7Q.x64.dll
%User Profile%\PriceLess\wSvlNDSAvgxoxt7.exe
%User Profile%\PriceLess\wSvlNDSAvgxoxt7.dat
%User Profile%\2635c994ef08bff3\{75F9BF4A-AF67-A478-A37B-31D73186D3F3}.20141203082306

To manually delete a malware/grayware file from an affected system:

• For Windows 2000, Windows XP, and Windows Server 2003:

Right-click Start then click Search....
In the File name* input box, type the following:
%User Temp%\294823_.exe
%User Temp%/4a4d12f3/wSvlNDSAvgxoxt7.dat
%User Temp%/4a4d12f3/iLAdyNbtWxzj7Q.dll
%User Temp%/4a4d12f3/iLAdyNbtWxzj7Q.tlb
%User Temp%/4a4d12f3/iLAdyNbtWxzj7Q.x64.dll
%User Temp%/4a4d12f3/NbD@jK.net/content/bg.js
%User Temp%/4a4d12f3/NbD@jK.net/bootstrap.js
%User Temp%/4a4d12f3/NbD@jK.net/chrome.manifest
%User Temp%/4a4d12f3/NbD@jK.net/install.rdf
%User Temp%/4a4d12f3/icgankdjlnjmamhcokkgokbfcohilpig/ImB7o.js
%User Temp%/4a4d12f3/icgankdjlnjmamhcokkgokbfcohilpig/background.html
%User Temp%/4a4d12f3/icgankdjlnjmamhcokkgokbfcohilpig/manifest.json
%User Temp%/4a4d12f3/icgankdjlnjmamhcokkgokbfcohilpig/content.js
%User Temp%/4a4d12f3/icgankdjlnjmamhcokkgokbfcohilpig/lsdb.js
%Application Data%\Google\Chrome\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\background.html
%Application Data%\Google\Chrome\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\content.js
%Application Data%\Google\Chrome\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\ImB7o.js
%Application Data%\Google\Chrome\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\lsdb.js
%Application Data%\Google\Chrome\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\manifest.json
%Application Data%\Comodo\Dragon\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\background.html
%Application Data%\Comodo\Dragon\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\content.js
%Application Data%\Comodo\Dragon\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\ImB7o.js
%Application Data%\Comodo\Dragon\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\lsdb.js
%Application Data%\Comodo\Dragon\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\manifest.json
%Application Data%\Google\Chrome SxS\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\background.html
%Application Data%\Google\Chrome SxS\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\content.js
%Application Data%\Google\Chrome SxS\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\ImB7o.js
%Application Data%\Google\Chrome SxS\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\lsdb.js
%Application Data%\Google\Chrome SxS\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\manifest.json
%Application Data%\Torch\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\background.html
%Application Data%\Torch\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\content.js
%Application Data%\Torch\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\ImB7o.js
%Application Data%\Torch\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\lsdb.js
%Application Data%\Torch\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\manifest.json
%Application Data%\Chromatic Browser\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\background.html
%Application Data%\Chromatic Browser\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\content.js
%Application Data%\Chromatic Browser\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\ImB7o.js
%Application Data%\Chromatic Browser\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\lsdb.js
%Application Data%\Chromatic Browser\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\manifest.json
%System%\GroupPolicy\Machine\Registry.pol
%Program Files%\PriceLess\iLAdyNbtWxzj7Q.dll
%Program Files%\PriceLess\iLAdyNbtWxzj7Q.tlb
%Program Files%\PriceLess\iLAdyNbtWxzj7Q.dat
%Program Files%\PriceLess\iLAdyNbtWxzj7Q.x64.dll
%User Profile%\PriceLess\wSvlNDSAvgxoxt7.exe
%User Profile%\PriceLess\wSvlNDSAvgxoxt7.dat
%User Profile%\2635c994ef08bff3\{75F9BF4A-AF67-A478-A37B-31D73186D3F3}.20141203082306
In the Look In drop-down list, select My Computer then press Enter.
Once located, select the file then press SHIFT+DELETE to delete it.
*Note: The file name input box title varies depending on the Windows version (e.g. Search for files or folders named or All or part of the file name.).

• For Windows Vista, Windows 7, Windows Server 2008, Windows 8, Windows 8.1, and Windows Server 2012:

Open a Windows Explorer window.
- For Windows Vista, 7, and Server 2008 users, click Start>Computer.
- For Windows 8, 8.1, and Server 2012 users, right-click on the lower left corner of the screen,then click File Explorer.
In the Search Computer/This PC input box, type:
%User Temp%\294823_.exe
%User Temp%/4a4d12f3/wSvlNDSAvgxoxt7.dat
%User Temp%/4a4d12f3/iLAdyNbtWxzj7Q.dll
%User Temp%/4a4d12f3/iLAdyNbtWxzj7Q.tlb
%User Temp%/4a4d12f3/iLAdyNbtWxzj7Q.x64.dll
%User Temp%/4a4d12f3/NbD@jK.net/content/bg.js
%User Temp%/4a4d12f3/NbD@jK.net/bootstrap.js
%User Temp%/4a4d12f3/NbD@jK.net/chrome.manifest
%User Temp%/4a4d12f3/NbD@jK.net/install.rdf
%User Temp%/4a4d12f3/icgankdjlnjmamhcokkgokbfcohilpig/ImB7o.js
%User Temp%/4a4d12f3/icgankdjlnjmamhcokkgokbfcohilpig/background.html
%User Temp%/4a4d12f3/icgankdjlnjmamhcokkgokbfcohilpig/manifest.json
%User Temp%/4a4d12f3/icgankdjlnjmamhcokkgokbfcohilpig/content.js
%User Temp%/4a4d12f3/icgankdjlnjmamhcokkgokbfcohilpig/lsdb.js
%Application Data%\Google\Chrome\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\background.html
%Application Data%\Google\Chrome\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\content.js
%Application Data%\Google\Chrome\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\ImB7o.js
%Application Data%\Google\Chrome\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\lsdb.js
%Application Data%\Google\Chrome\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\manifest.json
%Application Data%\Comodo\Dragon\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\background.html
%Application Data%\Comodo\Dragon\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\content.js
%Application Data%\Comodo\Dragon\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\ImB7o.js
%Application Data%\Comodo\Dragon\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\lsdb.js
%Application Data%\Comodo\Dragon\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\manifest.json
%Application Data%\Google\Chrome SxS\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\background.html
%Application Data%\Google\Chrome SxS\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\content.js
%Application Data%\Google\Chrome SxS\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\ImB7o.js
%Application Data%\Google\Chrome SxS\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\lsdb.js
%Application Data%\Google\Chrome SxS\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\manifest.json
%Application Data%\Torch\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\background.html
%Application Data%\Torch\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\content.js
%Application Data%\Torch\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\ImB7o.js
%Application Data%\Torch\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\lsdb.js
%Application Data%\Torch\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\manifest.json
%Application Data%\Chromatic Browser\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\background.html
%Application Data%\Chromatic Browser\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\content.js
%Application Data%\Chromatic Browser\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\ImB7o.js
%Application Data%\Chromatic Browser\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\lsdb.js
%Application Data%\Chromatic Browser\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2\manifest.json
%System%\GroupPolicy\Machine\Registry.pol
%Program Files%\PriceLess\iLAdyNbtWxzj7Q.dll
%Program Files%\PriceLess\iLAdyNbtWxzj7Q.tlb
%Program Files%\PriceLess\iLAdyNbtWxzj7Q.dat
%Program Files%\PriceLess\iLAdyNbtWxzj7Q.x64.dll
%User Profile%\PriceLess\wSvlNDSAvgxoxt7.exe
%User Profile%\PriceLess\wSvlNDSAvgxoxt7.dat
%User Profile%\2635c994ef08bff3\{75F9BF4A-AF67-A478-A37B-31D73186D3F3}.20141203082306
Once located, select the file then press SHIFT+DELETE to delete it.
*Note: Read the following Microsoft page if these steps do not work on Windows 7.

Step 6

Search and delete these folders

[ Learn More ]

Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden folders in the search result.

%User Temp%/4a4d12f3
%User Temp%/4a4d12f3/NbD@jK.net
%User Temp%/4a4d12f3/NbD@jK.net/content
%User Temp%/4a4d12f3/icgankdjlnjmamhcokkgokbfcohilpig
%System Root%\Documents and Settings\Administrator
%Application Data%\Google
%Application Data%\Google\Chrome
%Application Data%\Google\Chrome\User Data
%Application Data%\Google\Chrome\User Data\Default
%Application Data%\Google\Chrome\User Data\Default\Extensions
%Application Data%\Google\Chrome\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig
%Application Data%\Google\Chrome\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2
%System Root%\Documents and Settings\ASPNET
%System Root%\Documents and Settings\Guest
%System Root%\Documents and Settings\HelpAssistant
%System Root%\Documents and Settings\SUPPORT_388945a0
%Application Data%\Comodo
%Application Data%\Comodo\Dragon
%Application Data%\Comodo\Dragon\User Data
%Application Data%\Comodo\Dragon\User Data\Default
%Application Data%\Comodo\Dragon\User Data\Default\Extensions
%Application Data%\Comodo\Dragon\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig
%Application Data%\Comodo\Dragon\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2
%Application Data%\Google\Chrome SxS
%Application Data%\Google\Chrome SxS\User Data
%Application Data%\Google\Chrome SxS\User Data\Default
%Application Data%\Google\Chrome SxS\User Data\Default\Extensions
%Application Data%\Google\Chrome SxS\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig
%Application Data%\Google\Chrome SxS\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2
%Application Data%\Torch
%Application Data%\Torch\User Data
%Application Data%\Torch\User Data\Default
%Application Data%\Torch\User Data\Default\Extensions
%Application Data%\Torch\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig
%Application Data%\Torch\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2
%Application Data%\Chromatic Browser
%Application Data%\Chromatic Browser\User Data
%Application Data%\Chromatic Browser\User Data\Default
%Application Data%\Chromatic Browser\User Data\Default\Extensions
%Application Data%\Chromatic Browser\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig
%Application Data%\Chromatic Browser\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2
%System%\GroupPolicy
%System%\GroupPolicy\Machine
%System%\GroupPolicy\User
%Program Files%\PriceLess
%User Profile%\Application Data\PriceLess
%User Profile%\Application Data\2635c994ef08bff3

To delete malware/grayware/spyware folders:

For Windows 2000, Windows XP, and Windows Server 2003:

Right-click Start then click Search... or Find..., depending on the version of Windows you are running.
In the File name* input box, type:

%User Temp%/4a4d12f3
%User Temp%/4a4d12f3/NbD@jK.net
%User Temp%/4a4d12f3/NbD@jK.net/content
%User Temp%/4a4d12f3/icgankdjlnjmamhcokkgokbfcohilpig
%System Root%\Documents and Settings\Administrator
%Application Data%\Google
%Application Data%\Google\Chrome
%Application Data%\Google\Chrome\User Data
%Application Data%\Google\Chrome\User Data\Default
%Application Data%\Google\Chrome\User Data\Default\Extensions
%Application Data%\Google\Chrome\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig
%Application Data%\Google\Chrome\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2
%System Root%\Documents and Settings\ASPNET
%System Root%\Documents and Settings\Guest
%System Root%\Documents and Settings\HelpAssistant
%System Root%\Documents and Settings\SUPPORT_388945a0
%Application Data%\Comodo
%Application Data%\Comodo\Dragon
%Application Data%\Comodo\Dragon\User Data
%Application Data%\Comodo\Dragon\User Data\Default
%Application Data%\Comodo\Dragon\User Data\Default\Extensions
%Application Data%\Comodo\Dragon\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig
%Application Data%\Comodo\Dragon\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2
%Application Data%\Google\Chrome SxS
%Application Data%\Google\Chrome SxS\User Data
%Application Data%\Google\Chrome SxS\User Data\Default
%Application Data%\Google\Chrome SxS\User Data\Default\Extensions
%Application Data%\Google\Chrome SxS\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig
%Application Data%\Google\Chrome SxS\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2
%Application Data%\Torch
%Application Data%\Torch\User Data
%Application Data%\Torch\User Data\Default
%Application Data%\Torch\User Data\Default\Extensions
%Application Data%\Torch\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig
%Application Data%\Torch\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2
%Application Data%\Chromatic Browser
%Application Data%\Chromatic Browser\User Data
%Application Data%\Chromatic Browser\User Data\Default
%Application Data%\Chromatic Browser\User Data\Default\Extensions
%Application Data%\Chromatic Browser\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig
%Application Data%\Chromatic Browser\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2
%System%\GroupPolicy
%System%\GroupPolicy\Machine
%System%\GroupPolicy\User
%Program Files%\PriceLess
%User Profile%\Application Data\PriceLess
%User Profile%\Application Data\2635c994ef08bff3
In the Look In drop-down list, select My Computer, then press Enter.
Once located, select the folder then press SHIFT+DELETE to permanently delete the folder.
Repeat steps 2 to 4 for the remaining folders: %User Temp%/4a4d12f3
%User Temp%/4a4d12f3/NbD@jK.net
%User Temp%/4a4d12f3/NbD@jK.net/content
%User Temp%/4a4d12f3/icgankdjlnjmamhcokkgokbfcohilpig
%System Root%\Documents and Settings\Administrator
%Application Data%\Google
%Application Data%\Google\Chrome
%Application Data%\Google\Chrome\User Data
%Application Data%\Google\Chrome\User Data\Default
%Application Data%\Google\Chrome\User Data\Default\Extensions
%Application Data%\Google\Chrome\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig
%Application Data%\Google\Chrome\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2
%System Root%\Documents and Settings\ASPNET
%System Root%\Documents and Settings\Guest
%System Root%\Documents and Settings\HelpAssistant
%System Root%\Documents and Settings\SUPPORT_388945a0
%Application Data%\Comodo
%Application Data%\Comodo\Dragon
%Application Data%\Comodo\Dragon\User Data
%Application Data%\Comodo\Dragon\User Data\Default
%Application Data%\Comodo\Dragon\User Data\Default\Extensions
%Application Data%\Comodo\Dragon\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig
%Application Data%\Comodo\Dragon\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2
%Application Data%\Google\Chrome SxS
%Application Data%\Google\Chrome SxS\User Data
%Application Data%\Google\Chrome SxS\User Data\Default
%Application Data%\Google\Chrome SxS\User Data\Default\Extensions
%Application Data%\Google\Chrome SxS\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig
%Application Data%\Google\Chrome SxS\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2
%Application Data%\Torch
%Application Data%\Torch\User Data
%Application Data%\Torch\User Data\Default
%Application Data%\Torch\User Data\Default\Extensions
%Application Data%\Torch\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig
%Application Data%\Torch\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2
%Application Data%\Chromatic Browser
%Application Data%\Chromatic Browser\User Data
%Application Data%\Chromatic Browser\User Data\Default
%Application Data%\Chromatic Browser\User Data\Default\Extensions
%Application Data%\Chromatic Browser\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig
%Application Data%\Chromatic Browser\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2
%System%\GroupPolicy
%System%\GroupPolicy\Machine
%System%\GroupPolicy\User
%Program Files%\PriceLess
%User Profile%\Application Data\PriceLess
%User Profile%\Application Data\2635c994ef08bff3

*Note: The file name input box title varies depending on the Windows version (e.g. Search for files or folders named or All or part of the file name.).

For Windows Vista, Windows 7, Windows Server 2008, Windows 8, Windows 8.1, and Windows Server 2012:

Open a Windows Explorer window.
- For Windows Vista, 7, and Server 2008 users, click Start>Computer.
- For Windows 8, 8.1, and Server 2012 users, right-click on the lower left corner of the screen, then click File Explorer.
In the Search Computer/This PC input box, type:
%User Temp%/4a4d12f3
%User Temp%/4a4d12f3/NbD@jK.net
%User Temp%/4a4d12f3/NbD@jK.net/content
%User Temp%/4a4d12f3/icgankdjlnjmamhcokkgokbfcohilpig
%System Root%\Documents and Settings\Administrator
%Application Data%\Google
%Application Data%\Google\Chrome
%Application Data%\Google\Chrome\User Data
%Application Data%\Google\Chrome\User Data\Default
%Application Data%\Google\Chrome\User Data\Default\Extensions
%Application Data%\Google\Chrome\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig
%Application Data%\Google\Chrome\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2
%System Root%\Documents and Settings\ASPNET
%System Root%\Documents and Settings\Guest
%System Root%\Documents and Settings\HelpAssistant
%System Root%\Documents and Settings\SUPPORT_388945a0
%Application Data%\Comodo
%Application Data%\Comodo\Dragon
%Application Data%\Comodo\Dragon\User Data
%Application Data%\Comodo\Dragon\User Data\Default
%Application Data%\Comodo\Dragon\User Data\Default\Extensions
%Application Data%\Comodo\Dragon\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig
%Application Data%\Comodo\Dragon\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2
%Application Data%\Google\Chrome SxS
%Application Data%\Google\Chrome SxS\User Data
%Application Data%\Google\Chrome SxS\User Data\Default
%Application Data%\Google\Chrome SxS\User Data\Default\Extensions
%Application Data%\Google\Chrome SxS\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig
%Application Data%\Google\Chrome SxS\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2
%Application Data%\Torch
%Application Data%\Torch\User Data
%Application Data%\Torch\User Data\Default
%Application Data%\Torch\User Data\Default\Extensions
%Application Data%\Torch\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig
%Application Data%\Torch\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2
%Application Data%\Chromatic Browser
%Application Data%\Chromatic Browser\User Data
%Application Data%\Chromatic Browser\User Data\Default
%Application Data%\Chromatic Browser\User Data\Default\Extensions
%Application Data%\Chromatic Browser\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig
%Application Data%\Chromatic Browser\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2
%System%\GroupPolicy
%System%\GroupPolicy\Machine
%System%\GroupPolicy\User
%Program Files%\PriceLess
%User Profile%\Application Data\PriceLess
%User Profile%\Application Data\2635c994ef08bff3
Once located, select the file then press SHIFT+DELETE to permanently delete the folder.
Repeat steps 2-3 for the remaining folders: %User Temp%/4a4d12f3
%User Temp%/4a4d12f3/NbD@jK.net
%User Temp%/4a4d12f3/NbD@jK.net/content
%User Temp%/4a4d12f3/icgankdjlnjmamhcokkgokbfcohilpig
%System Root%\Documents and Settings\Administrator
%Application Data%\Google
%Application Data%\Google\Chrome
%Application Data%\Google\Chrome\User Data
%Application Data%\Google\Chrome\User Data\Default
%Application Data%\Google\Chrome\User Data\Default\Extensions
%Application Data%\Google\Chrome\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig
%Application Data%\Google\Chrome\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2
%System Root%\Documents and Settings\ASPNET
%System Root%\Documents and Settings\Guest
%System Root%\Documents and Settings\HelpAssistant
%System Root%\Documents and Settings\SUPPORT_388945a0
%Application Data%\Comodo
%Application Data%\Comodo\Dragon
%Application Data%\Comodo\Dragon\User Data
%Application Data%\Comodo\Dragon\User Data\Default
%Application Data%\Comodo\Dragon\User Data\Default\Extensions
%Application Data%\Comodo\Dragon\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig
%Application Data%\Comodo\Dragon\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2
%Application Data%\Google\Chrome SxS
%Application Data%\Google\Chrome SxS\User Data
%Application Data%\Google\Chrome SxS\User Data\Default
%Application Data%\Google\Chrome SxS\User Data\Default\Extensions
%Application Data%\Google\Chrome SxS\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig
%Application Data%\Google\Chrome SxS\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2
%Application Data%\Torch
%Application Data%\Torch\User Data
%Application Data%\Torch\User Data\Default
%Application Data%\Torch\User Data\Default\Extensions
%Application Data%\Torch\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig
%Application Data%\Torch\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2
%Application Data%\Chromatic Browser
%Application Data%\Chromatic Browser\User Data
%Application Data%\Chromatic Browser\User Data\Default
%Application Data%\Chromatic Browser\User Data\Default\Extensions
%Application Data%\Chromatic Browser\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig
%Application Data%\Chromatic Browser\User Data\Default\Extensions\icgankdjlnjmamhcokkgokbfcohilpig\5.2
%System%\GroupPolicy
%System%\GroupPolicy\Machine
%System%\GroupPolicy\User
%Program Files%\PriceLess
%User Profile%\Application Data\PriceLess
%User Profile%\Application Data\2635c994ef08bff3

*Note: Read the following Microsoft page if these steps do not work on Windows 7.

Step 7

Scan your computer with your Trend Micro product to delete files detected as TROJ_YUQMIA.A. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.

Step 8

Restore these deleted registry keys/values from backup

*Note: Only Microsoft-related keys/values will be restored. If the malware/grayware also deleted registry keys/values related to programs that are not from Microsoft, please reinstall those programs on your computer.

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion
- Group Policy Objects

In HKEY_CURRENT_USER\Microsoft\Windows\CurrentVersion\Group Policy Objects\{20F26F55-D273-4B88-919B-FDEC596378E8}Machine
- Software

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Group Policy Objects\{20F26F55-D273-4B88-919B-FDEC596378E8}Machine\Software
- Policies

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Group Policy Objects\{20F26F55-D273-4B88-919B-FDEC596378E8}Machine\Software\Policies
- Google

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