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TROJ_MULTIPLUG.A

August 06, 2014
 ALIASES:

Adware-FMV. (McAfee); AdWare.Win32.MegaSearch.am (Kaspersky); Trojan.Win32.Generic!BT (Sunbelt); Found Win32/DH{gQ8AWGM1gRI} (AVG)

 PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

 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:

1,869,239 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

06 Aug 2014

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%\7zS1.tmp
  • %User Temp%\7zS1.tmp\eb3kkcw@mdmi.net
  • %User Temp%\7zS1.tmp\mejcdoaglpoedcbbnlediiicoljhiilc
  • %User Temp%\7zS1.tmp\eb3kkcw@mdmi.net\content
  • %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\mejcdoaglpoedcbbnlediiicoljhiilc
  • %Application Data%\Google\Chrome\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9
  • %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\mejcdoaglpoedcbbnlediiicoljhiilc
  • %Application Data%\Comodo\Dragon\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9
  • %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\mejcdoaglpoedcbbnlediiicoljhiilc
  • %Application Data%\Google\Chrome SxS\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9
  • %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\mejcdoaglpoedcbbnlediiicoljhiilc
  • %Application Data%\Torch\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9
  • %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\mejcdoaglpoedcbbnlediiicoljhiilc
  • %Application Data%\Chromatic Browser\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9
  • %System%\GroupPolicy
  • %System%\GroupPolicy\Machine
  • %System%\GroupPolicy\User
  • %Program Files%\ppriCechoP

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.. %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.. %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming on Windows Vista and 7.. %System% is the Windows system folder, which is usually C:\Windows\System32.. %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000, Server 2003, and XP (32-bit), Vista (32-bit), and 7 (32-bit), or C:\Program Files (x86) in Windows XP (64-bit), Vista (64-bit), and 7 (64-bit).)

Other System Modifications

This Trojan deletes the following files:

  • %User Temp%\7zS1.tmp

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.)

It 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\
{94D829D1-F804-4A26-A765-5CEAA146E193}User

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Group Policy Objects\
{94D829D1-F804-4A26-A765-5CEAA146E193}Machine

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Group Policy Objects\
{94D829D1-F804-4A26-A765-5CEAA146E193}Machine\Software\Policies\
Google\Chrome

HKEY_CURRENT_USER\Software\RegisteredApplicationsEx

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\
{94D829D1-F804-4A26-A765-5CEAA146E193}Machine\Software\Policies\
Google\Chrome
MetricsReportingEnabled = "0"

HKEY_CURRENT_USER\Software\RegisteredApplicationsEx
a6ad83406de22aee86f992e3bc64dc81 = "1"

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\
{94D829D1-F804-4A26-A765-5CEAA146E193}Machine\Software

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Group Policy Objects\
{94D829D1-F804-4A26-A765-5CEAA146E193}Machine\Software\Policies

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Group Policy Objects\
{94D829D1-F804-4A26-A765-5CEAA146E193}Machine\Software\Policies\
Google

Dropping Routine

This Trojan drops the following files:

  • %User Temp%\7zS1.tmp\eb3kkcw@mdmi.net\chrome.manifest
  • %User Temp%\7zS1.tmp\mejcdoaglpoedcbbnlediiicoljhiilc\background.html
  • %User Temp%\7zS1.tmp\eb3kkcw@mdmi.net\content\bg.js
  • %User Temp%\7zS1.tmp\eb3kkcw@mdmi.net\bootstrap.js
  • %User Temp%\7zS1.tmp\mejcdoaglpoedcbbnlediiicoljhiilc\content.js
  • %User Temp%\7zS1.tmp\mejcdoaglpoedcbbnlediiicoljhiilc\dYFemG7pwPJc.js
  • %User Temp%\7zS1.tmp\mejcdoaglpoedcbbnlediiicoljhiilc\lsdb.js
  • %User Temp%\7zS1.tmp\BqcynrzU9nx.exe
  • %User Temp%\7zS1.tmp\HwHktynmTp.dll
  • %User Temp%\7zS1.tmp\HwHktynmTp.x64.dll
  • %User Temp%\7zS1.tmp\HwHktynmTp.tlb
  • %User Temp%\7zS1.tmp\BqcynrzU9nx.dat
  • %User Temp%\7zS1.tmp\mejcdoaglpoedcbbnlediiicoljhiilc\manifest.json
  • %User Temp%\7zS1.tmp\eb3kkcw@mdmi.net\install.rdf
  • %Application Data%\Google\Chrome\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\background.html
  • %Application Data%\Google\Chrome\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\content.js
  • %Application Data%\Google\Chrome\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\dYFemG7pwPJc.js
  • %Application Data%\Google\Chrome\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\lsdb.js
  • %Application Data%\Google\Chrome\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\manifest.json
  • %Application Data%\Comodo\Dragon\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\background.html
  • %Application Data%\Comodo\Dragon\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\content.js
  • %Application Data%\Comodo\Dragon\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\dYFemG7pwPJc.js
  • %Application Data%\Comodo\Dragon\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\lsdb.js
  • %Application Data%\Comodo\Dragon\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\manifest.json
  • %Application Data%\Google\Chrome SxS\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\background.html
  • %Application Data%\Google\Chrome SxS\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\content.js
  • %Application Data%\Google\Chrome SxS\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\dYFemG7pwPJc.js
  • %Application Data%\Google\Chrome SxS\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\lsdb.js
  • %Application Data%\Google\Chrome SxS\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\manifest.json
  • %Application Data%\Torch\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\background.html
  • %Application Data%\Torch\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\content.js
  • %Application Data%\Torch\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\dYFemG7pwPJc.js
  • %Application Data%\Torch\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\lsdb.js
  • %Application Data%\Torch\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\manifest.json
  • %Application Data%\Chromatic Browser\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\background.html
  • %Application Data%\Chromatic Browser\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\content.js
  • %Application Data%\Chromatic Browser\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\dYFemG7pwPJc.js
  • %Application Data%\Chromatic Browser\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\lsdb.js
  • %Application Data%\Chromatic Browser\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\manifest.json
  • %System%\GroupPolicy\Machine\Registry.pol
  • %Program Files%\ppriCechoP\HwHktynmTp.dll
  • %Program Files%\ppriCechoP\HwHktynmTp.tlb
  • %Program Files%\ppriCechoP\HwHktynmTp.dat

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.. %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming on Windows Vista and 7.. %System% is the Windows system folder, which is usually C:\Windows\System32.. %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000, Server 2003, and XP (32-bit), Vista (32-bit), and 7 (32-bit), or C:\Program Files (x86) in Windows XP (64-bit), Vista (64-bit), and 7 (64-bit).)

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

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
    • {94D829D1-F804-4A26-A765-5CEAA146E193}User
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Group Policy Objects
    • {94D829D1-F804-4A26-A765-5CEAA146E193}Machine
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Group Policy Objects\{94D829D1-F804-4A26-A765-5CEAA146E193}Machine\Software\Policies\Google
    • Chrome
  • In HKEY_CURRENT_USER\Software
    • RegisteredApplicationsEx

Step 3

Delete this registry value

[ 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}
    • 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\{94D829D1-F804-4A26-A765-5CEAA146E193}Machine\Software\Policies\Google\Chrome
    • MetricsReportingEnabled = "0"
  • In HKEY_CURRENT_USER\Software\RegisteredApplicationsEx
    • a6ad83406de22aee86f992e3bc64dc81 = "1"

Step 4

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%\7zS1.tmp\eb3kkcw@mdmi.net\chrome.manifest
  • %User Temp%\7zS1.tmp\mejcdoaglpoedcbbnlediiicoljhiilc\background.html
  • %User Temp%\7zS1.tmp\eb3kkcw@mdmi.net\content\bg.js
  • %User Temp%\7zS1.tmp\eb3kkcw@mdmi.net\bootstrap.js
  • %User Temp%\7zS1.tmp\mejcdoaglpoedcbbnlediiicoljhiilc\content.js
  • %User Temp%\7zS1.tmp\mejcdoaglpoedcbbnlediiicoljhiilc\dYFemG7pwPJc.js
  • %User Temp%\7zS1.tmp\mejcdoaglpoedcbbnlediiicoljhiilc\lsdb.js
  • %User Temp%\7zS1.tmp\BqcynrzU9nx.exe
  • %User Temp%\7zS1.tmp\HwHktynmTp.dll
  • %User Temp%\7zS1.tmp\HwHktynmTp.x64.dll
  • %User Temp%\7zS1.tmp\HwHktynmTp.tlb
  • %User Temp%\7zS1.tmp\BqcynrzU9nx.dat
  • %User Temp%\7zS1.tmp\mejcdoaglpoedcbbnlediiicoljhiilc\manifest.json
  • %User Temp%\7zS1.tmp\eb3kkcw@mdmi.net\install.rdf
  • %Application Data%\Google\Chrome\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\background.html
  • %Application Data%\Google\Chrome\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\content.js
  • %Application Data%\Google\Chrome\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\dYFemG7pwPJc.js
  • %Application Data%\Google\Chrome\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\lsdb.js
  • %Application Data%\Google\Chrome\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\manifest.json
  • %Application Data%\Comodo\Dragon\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\background.html
  • %Application Data%\Comodo\Dragon\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\content.js
  • %Application Data%\Comodo\Dragon\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\dYFemG7pwPJc.js
  • %Application Data%\Comodo\Dragon\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\lsdb.js
  • %Application Data%\Comodo\Dragon\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\manifest.json
  • %Application Data%\Google\Chrome SxS\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\background.html
  • %Application Data%\Google\Chrome SxS\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\content.js
  • %Application Data%\Google\Chrome SxS\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\dYFemG7pwPJc.js
  • %Application Data%\Google\Chrome SxS\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\lsdb.js
  • %Application Data%\Google\Chrome SxS\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\manifest.json
  • %Application Data%\Torch\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\background.html
  • %Application Data%\Torch\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\content.js
  • %Application Data%\Torch\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\dYFemG7pwPJc.js
  • %Application Data%\Torch\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\lsdb.js
  • %Application Data%\Torch\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\manifest.json
  • %Application Data%\Chromatic Browser\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\background.html
  • %Application Data%\Chromatic Browser\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\content.js
  • %Application Data%\Chromatic Browser\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\dYFemG7pwPJc.js
  • %Application Data%\Chromatic Browser\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\lsdb.js
  • %Application Data%\Chromatic Browser\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9\manifest.json
  • %System%\GroupPolicy\Machine\Registry.pol
  • %Program Files%\ppriCechoP\HwHktynmTp.dll
  • %Program Files%\ppriCechoP\HwHktynmTp.tlb
  • %Program Files%\ppriCechoP\HwHktynmTp.dat

Step 5

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%\7zS1.tmp
  • %User Temp%\7zS1.tmp\eb3kkcw@mdmi.net
  • %User Temp%\7zS1.tmp\mejcdoaglpoedcbbnlediiicoljhiilc
  • %User Temp%\7zS1.tmp\eb3kkcw@mdmi.net\content
  • %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\mejcdoaglpoedcbbnlediiicoljhiilc
  • %Application Data%\Google\Chrome\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9
  • %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\mejcdoaglpoedcbbnlediiicoljhiilc
  • %Application Data%\Comodo\Dragon\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9
  • %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\mejcdoaglpoedcbbnlediiicoljhiilc
  • %Application Data%\Google\Chrome SxS\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9
  • %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\mejcdoaglpoedcbbnlediiicoljhiilc
  • %Application Data%\Torch\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9
  • %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\mejcdoaglpoedcbbnlediiicoljhiilc
  • %Application Data%\Chromatic Browser\User Data\Default\Extensions\mejcdoaglpoedcbbnlediiicoljhiilc\3.9
  • %System%\GroupPolicy
  • %System%\GroupPolicy\Machine
  • %System%\GroupPolicy\User
  • %Program Files%\ppriCechoP

Step 6

Scan your computer with your Trend Micro product to delete files detected as TROJ_MULTIPLUG.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 7

Restore this file from backup only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on you computer again.

  • %User Temp%\7zS1.tmp

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\{94D829D1-F804-4A26-A765-5CEAA146E193}Machine
    • Software
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Group Policy Objects\{94D829D1-F804-4A26-A765-5CEAA146E193}Machine\Software
    • Policies
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Group Policy Objects\{94D829D1-F804-4A26-A765-5CEAA146E193}Machine\Software\Policies
    • Google


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