ADW_ONECLICK

September 07, 2013

PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

OVERALL RISK RATING:

REPORTED INFECTION:

SYSTEM IMPACT RATING:

INFORMATION EXPOSURE:

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

OVERVIEW

This adware 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: 263,152 bytes

File Type: EXE

Memory Resident: No

Initial Samples Received Date: 07 Sep 2013

Arrival Details

This adware 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 adware creates the following folders:

%System Root%\DOCUME~1
%System Root%\DOCUME~1\Wilbert
%User Profile%\LOCALS~1
%User Temp%\nsk5.tmp
%Program Files%\1ClickDownload
%System Root%\Documents and Settings\Wilbert
%User Profile%\Application Data\Mozilla
%User Profile%\Mozilla\Firefox
%User Profile%\Firefox\Profiles
%User Profile%\Profiles\extensions
%User Profile%\extensions\OneClickDownload@OneClickDownload.com
%User Profile%\OneClickDownload@OneClickDownload.com\defaults
%User Profile%\defaults\preferences
%User Profile%\OneClickDownload@OneClickDownload.com\locale
%User Profile%\OneClickDownload@OneClickDownload.com\resources
%User Profile%\resources\addon-kit
%User Profile%\addon-kit\data
%User Profile%\addon-kit\lib
%User Profile%\resources\api-utils
%User Profile%\api-utils\data
%User Profile%\api-utils\lib
%User Profile%\lib\content
%User Profile%\lib\dom
%User Profile%\lib\event
%User Profile%\lib\events
%User Profile%\lib\tabs
%User Profile%\lib\traits
%User Profile%\lib\utils
%User Profile%\lib\window
%User Profile%\lib\windows
%User Profile%\resources\oneclickdownloader
%User Profile%\oneclickdownloader\data
%User Profile%\oneclickdownloader\lib
%User Profile%\oneclickdownloader\tests

Other System Modifications

This adware deletes the following files:

%User Temp%\nsp1.tmp
%User Temp%\nsk5.tmp
%User Temp%\nsyCB.tmp
%User Temp%\nsnCD.tmp
%User Temp%\nsx26.tmp
%User Temp%\nss40.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_CURRENT_USER\SOFTWARE\1ClickDownload

HKEY_CLASSES_ROOT\magnet

HKEY_CLASSES_ROOT\magnet\DefaultIcon

HKEY_CLASSES_ROOT\magnet\shell

HKEY_CLASSES_ROOT\magnet\shell\
open\command

HKEY_CLASSES_ROOT\.torrent

HKEY_CLASSES_ROOT\1ClicktorrentFile

HKEY_CLASSES_ROOT\1ClicktorrentFile\DefaultIcon

HKEY_CLASSES_ROOT\1ClicktorrentFile\shell

HKEY_CLASSES_ROOT\1ClicktorrentFile\shell\
open\command

HKEY_CLASSES_ROOT\magnet1

HKEY_CLASSES_ROOT\magnet1\DefaultIcon

HKEY_CLASSES_ROOT\magnet1\shell

HKEY_CLASSES_ROOT\magnet1\shell\
open\command

HKEY_CLASSES_ROOT\.torrent1

HKEY_CLASSES_ROOT\1ClicktorrentFile1

HKEY_CLASSES_ROOT\1ClicktorrentFile1\DefaultIcon

HKEY_CLASSES_ROOT\1ClicktorrentFile1\shell

HKEY_CLASSES_ROOT\1ClicktorrentFile1\shell\
open\command

HKEY_CLASSES_ROOT\oneclickmg

HKEY_CLASSES_ROOT\oneclickmg\DefaultIcon

HKEY_CLASSES_ROOT\oneclickmg\shell

HKEY_CLASSES_ROOT\oneclickmg\shell\
open\command

HKEY_CLASSES_ROOT\oneclick

HKEY_CLASSES_ROOT\oneclick\DefaultIcon

HKEY_CLASSES_ROOT\oneclick\shell

HKEY_CLASSES_ROOT\oneclick\shell\
open\command

HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
1ClickDownload

HKEY_CLASSES_ROOT\AppID\{EA28B360-05E0-4F93-8150-02891F1D8D3C}\
Instl\Data

HKEY_CLASSES_ROOT\AppID\{BDB69379-802F-4eaf-B541-F8DE92DD98DB}\
Instl\Data

HKEY_CURRENT_USER\Software\SweetIM

HKEY_LOCAL_MACHINE\Software\SweetIM

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{889DF117-14D1-44EE-9F31-C5FB5D47F68B}

HKEY_LOCAL_MACHINE\SOFTWARE\Iminent

HKEY_CLASSES_ROOT\AppID\{608D3067-77E8-463D-9084-908966806826}\
instl\data

HKEY_LOCAL_MACHINE\Software\Google\
Chrome\Extensions\pmlghpafmmnmmkjdhacccolfgnkiboco

It adds the following registry entries:

HKEY_CURRENT_USER\Software\1ClickDownload
UID = "175617271"

HKEY_CURRENT_USER\Software\1ClickDownload
LastInstall0 = "30307836"

HKEY_CURRENT_USER\Software\1ClickDownload
LastInstall2 = "30307836"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
magnet
Content Type = "application/x-magnet"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
magnet1
Content Type = "application/x-magnet"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
oneclickmg
Content Type = "application/x-oneclickmg"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
oneclick
Content Type = "application/x-oneclick"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
1ClickDownload
DisplayName = "1ClickDownloader"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
1ClickDownload
UninstallString = "%Program Files%\1ClickDownload\uninst.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
1ClickDownload
DisplayVersion = "2.7 Build 26473"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
1ClickDownload
Publisher = "1ClickDownload"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
AppID\{EA28B360-05E0-4F93-8150-02891F1D8D3C}\Instl\
Data
aflt = "11111111"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
AppID\{BDB69379-802F-4eaf-B541-F8DE92DD98DB}\Instl\
Data
afltId = "11111111"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
AppID\{BDB69379-802F-4eaf-B541-F8DE92DD98DB}\Instl\
Data
hrdId = "11111111"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
AppID\{BDB69379-802F-4eaf-B541-F8DE92DD98DB}\Instl\
Data
prtnrId = "11111111"

HKEY_CURRENT_USER\Software\SweetIM
simapp_id = "11111111"

HKEY_LOCAL_MACHINE\SOFTWARE\SweetIM
simapp_id = "11111111"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{889DF117-14D1-44EE-9F31-C5FB5D47F68B}
InstallDate = "20130502"

HKEY_LOCAL_MACHINE\SOFTWARE\Iminent
AppInstanceUid = "11111111"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
AppID\{608D3067-77E8-463D-9084-908966806826}\instl\
data
hrdId = "11111111"

HKEY_LOCAL_MACHINE\SOFTWARE\Google\
Chrome\Extensions\pmlghpafmmnmmkjdhacccolfgnkiboco
path = "%Program Files%\1ClickDownload\oneclickdownloader11.crx"

HKEY_LOCAL_MACHINE\SOFTWARE\Google\
Chrome\Extensions\pmlghpafmmnmmkjdhacccolfgnkiboco
version = "1.1"

Dropping Routine

This adware drops the following files:

%User Temp%\nsf3.tmp
%User Temp%\nsk5.tmp\System.dll
%User Temp%\nsk5.tmp\bd.htm
%User Temp%\nsk5.tmp\inetc3.dll
%User Temp%\nsk5.tmp\gC0
ocmainpack.exe
%User Temp%\nsk5.tmp\NSISdl.dll
%User Temp%\nsk5.tmp\gCo
%User Temp%\nsk5.tmp\nsDialogs.dll
%User Temp%\nsk5.tmp\skip.bmp
%User Temp%\nsk5.tmp\accept.bmp
%User Temp%\nsk5.tmp\accept1.bmp
%User Temp%\nsk5.tmp\accept2.bmp
%User Temp%\nsk5.tmp\accept3.bmp
%User Temp%\nsk5.tmp\decline.bmp
%User Temp%\nsk5.tmp\save.bmp
%User Temp%\nsk5.tmp\anon.bmp
%User Temp%\nsk5.tmp\1clogo.bmp
%User Temp%\nsk5.tmp\yontoo.bmp
%User Temp%\nsk5.tmp\1clogobvd.bmp
%User Temp%\nsk5.tmp\bab_on.bmp
%User Temp%\nsk5.tmp\bab_off.bmp
%User Temp%\nsk5.tmp\bab.bmp
%User Temp%\nsk5.tmp\fm.bmp
%User Temp%\nsk5.tmp\getGFGCountry13
%User Temp%\nsk5.tmp\b.bmp
%User Temp%\nsk5.tmp\a1.bmp
%User Temp%\nsk5.tmp\a2.bmp
%User Temp%\nsk5.tmp\a3.bmp
%User Temp%\nsk5.tmp\finishd.bmp
%User Temp%\nsk5.tmp\finish.bmp
%User Temp%\nsk5.tmp\finish3.bmp
%User Temp%\nsk5.tmp\finish2.bmp
%User Temp%\nsk5.tmp\finish1.bmp
%Program Files%\1ClickDownload\uninst.exe
1clextsetup.exe
BVDDSetup.exe
%User Temp%\nsk5.tmp\getGFGCountry9
%User Temp%\nsk5.tmp\ty2Response
%User Temp%\nsx28.tmp
%Program Files%\1ClickDownload\1ClickDownloader.exe
%Program Files%\1ClickDownload\1ClickSettingsManager2703.exe
%User Temp%\nss42.tmp
%Program Files%\1ClickDownload\oneclickdownloader11.crx
%User Profile%\OneClickDownload@OneClickDownload.com\bootstrap.js
%User Profile%\OneClickDownload@OneClickDownload.com\harness-options.json
%User Profile%\OneClickDownload@OneClickDownload.com\icon.png
%User Profile%\OneClickDownload@OneClickDownload.com\icon64.png
%User Profile%\OneClickDownload@OneClickDownload.com\install.rdf
%User Profile%\OneClickDownload@OneClickDownload.com\locales.json
%User Profile%\preferences\prefs.js
%User Profile%\locale\en-GB.json
%User Profile%\locale\eo.json
%User Profile%\locale\fr-FR.json
%User Profile%\data\index.html
%User Profile%\data\moz_favicon.ico
%User Profile%\data\pagemod-css-include-file.css
%User Profile%\data\test-context-menu.js
%User Profile%\data\test-page-mod.html
%User Profile%\data\test-page-worker.html
%User Profile%\data\test-page-worker.js
%User Profile%\data\test.html
%User Profile%\lib\context-menu.js
%User Profile%\lib\page-mod.js
%User Profile%\lib\page-worker.js
%User Profile%\lib\request.js
%User Profile%\lib\simple-storage.js
%User Profile%\lib\tabs.js
%User Profile%\lib\windows.js
%User Profile%\data\content-proxy.js
%User Profile%\data\test-content-symbiont.js
%User Profile%\data\test-message-manager.js
%User Profile%\data\test-trusted-document.html
%User Profile%\data\worker.js
%User Profile%\lib\api-utils.js
%User Profile%\lib\base.js
%User Profile%\lib\byte-streams.js
%User Profile%\lib\channel.js
%User Profile%\lib\collection.js
%User Profile%\lib\content.js
%User Profile%\lib\cortex.js
%User Profile%\lib\cuddlefish.js
%User Profile%\lib\environment.js
%User Profile%\lib\errors.js
%User Profile%\lib\events.js
%User Profile%\lib\file.js
%User Profile%\lib\functional.js
%User Profile%\lib\globals!.js
%User Profile%\lib\hidden-frame.js
%User Profile%\lib\light-traits.js
%User Profile%\lib\list.js
%User Profile%\lib\match-pattern.js
%User Profile%\lib\memory.js
%User Profile%\lib\message-manager.js
%User Profile%\lib\namespace.js
%User Profile%\lib\observer-service.js
%User Profile%\lib\plain-text-console.js
%User Profile%\lib\preferences-service.js
%User Profile%\lib\process.js
%User Profile%\lib\querystring.js
%User Profile%\lib\runtime.js
%User Profile%\lib\sandbox.js
%User Profile%\lib\self!.js
%User Profile%\lib\system.js
%User Profile%\lib\text-streams.js
%User Profile%\lib\timer.js
%User Profile%\lib\traceback.js
%User Profile%\lib\traits.js
%User Profile%\lib\unload.js
%User Profile%\lib\url.js
%User Profile%\lib\uuid.js
%User Profile%\lib\window-utils.js
%User Profile%\lib\xhr.js
%User Profile%\lib\xpcom.js
%User Profile%\lib\xul-app.js
%User Profile%\content\loader.js
%User Profile%\content\symbiont.js
%User Profile%\content\worker.js
%User Profile%\dom\events.js
%User Profile%\event\core.js
%User Profile%\event\target.js
%User Profile%\events\assembler.js
%User Profile%\tabs\events.js
%User Profile%\tabs\observer.js
%User Profile%\tabs\tab.js
%User Profile%\tabs\utils.js
%User Profile%\traits\core.js
%User Profile%\utils\data.js
%User Profile%\utils\object.js
%User Profile%\utils\registry.js
%User Profile%\utils\thumbnail.js
%User Profile%\window\utils.js
%User Profile%\windows\dom.js
%User Profile%\windows\loader.js
%User Profile%\windows\observer.js
%User Profile%\windows\tabs.js
%User Profile%\data\background.html
%User Profile%\data\bg.js
%User Profile%\data\dt.txt
%User Profile%\data\ex.js
%User Profile%\data\jquery.js
%User Profile%\lib\main.js
%User Profile%\Profiles\user.js

Other Details

This adware connects to the following possibly malicious URL:

http://data.{BLOCKED}adstarter.net/country.asp?{random characters}
http://data.{BLOCKED}adstarter.net/MainPackFA2703.exe

This report is generated via an automated analysis system.

SOLUTION

Minimum Scan Engine: 9.300

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_CURRENT_USER\SOFTWARE
- 1ClickDownload

In HKEY_CLASSES_ROOT
- magnet

In HKEY_CLASSES_ROOT\magnet
- DefaultIcon

In HKEY_CLASSES_ROOT\magnet
- shell

In HKEY_CLASSES_ROOT\magnet\shell\open
- command

In HKEY_CLASSES_ROOT
- .torrent

In HKEY_CLASSES_ROOT
- 1ClicktorrentFile

In HKEY_CLASSES_ROOT\1ClicktorrentFile
- DefaultIcon

In HKEY_CLASSES_ROOT\1ClicktorrentFile
- shell

In HKEY_CLASSES_ROOT\1ClicktorrentFile\shell\open
- command

In HKEY_CLASSES_ROOT
- magnet1

In HKEY_CLASSES_ROOT\magnet1
- DefaultIcon

In HKEY_CLASSES_ROOT\magnet1
- shell

In HKEY_CLASSES_ROOT\magnet1\shell\open
- command

In HKEY_CLASSES_ROOT
- .torrent1

In HKEY_CLASSES_ROOT
- 1ClicktorrentFile1

In HKEY_CLASSES_ROOT\1ClicktorrentFile1
- DefaultIcon

In HKEY_CLASSES_ROOT\1ClicktorrentFile1
- shell

In HKEY_CLASSES_ROOT\1ClicktorrentFile1\shell\open
- command

In HKEY_CLASSES_ROOT
- oneclickmg

In HKEY_CLASSES_ROOT\oneclickmg
- DefaultIcon

In HKEY_CLASSES_ROOT\oneclickmg
- shell

In HKEY_CLASSES_ROOT\oneclickmg\shell\open
- command

In HKEY_CLASSES_ROOT
- oneclick

In HKEY_CLASSES_ROOT\oneclick
- DefaultIcon

In HKEY_CLASSES_ROOT\oneclick
- shell

In HKEY_CLASSES_ROOT\oneclick\shell\open
- command

In HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall
- 1ClickDownload

In HKEY_CLASSES_ROOT\AppID\{EA28B360-05E0-4F93-8150-02891F1D8D3C}\Instl
- Data

In HKEY_CLASSES_ROOT\AppID\{BDB69379-802F-4eaf-B541-F8DE92DD98DB}\Instl
- Data

In HKEY_CURRENT_USER\Software
- SweetIM

In HKEY_LOCAL_MACHINE\Software
- SweetIM

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall
- {889DF117-14D1-44EE-9F31-C5FB5D47F68B}

In HKEY_LOCAL_MACHINE\SOFTWARE
- Iminent

In HKEY_CLASSES_ROOT\AppID\{608D3067-77E8-463D-9084-908966806826}\instl
- data

In HKEY_LOCAL_MACHINE\Software\Google\Chrome\Extensions
- pmlghpafmmnmmkjdhacccolfgnkiboco

To delete the registry key this malware/grayware created:

Open Registry Editor. Click Start>Run, type REGEDIT, then press Enter.
In the left panel, double-click the following:
HKEY_CURRENT_USER>SOFTWARE
Still in the left panel, locate and delete the key:
1ClickDownload
In the left panel, double-click the following:
HKEY_CLASSES_ROOT
Still in the left panel, locate and delete the key:
magnet
In the left panel, double-click the following:
HKEY_CLASSES_ROOT>magnet
Still in the left panel, locate and delete the key:
DefaultIcon
Again Still in the left panel, locate and delete the key:
shell
In the left panel, double-click the following:
HKEY_CLASSES_ROOT>magnet>shell>open
Still in the left panel, locate and delete the key:
command
Again Still in the left panel, locate and delete the key:
.torrent
Again Still in the left panel, locate and delete the key:
1ClicktorrentFile
In the left panel, double-click the following:
HKEY_CLASSES_ROOT>1ClicktorrentFile
Still in the left panel, locate and delete the key:
DefaultIcon
Again Still in the left panel, locate and delete the key:
shell
In the left panel, double-click the following:
HKEY_CLASSES_ROOT>1ClicktorrentFile>shell>open
Still in the left panel, locate and delete the key:
command
Again Still in the left panel, locate and delete the key:
magnet1
In the left panel, double-click the following:
HKEY_CLASSES_ROOT>magnet1
Still in the left panel, locate and delete the key:
DefaultIcon
Again Still in the left panel, locate and delete the key:
shell
In the left panel, double-click the following:
HKEY_CLASSES_ROOT>magnet1>shell>open
Still in the left panel, locate and delete the key:
command
Again Still in the left panel, locate and delete the key:
.torrent1
Again Still in the left panel, locate and delete the key:
1ClicktorrentFile1
In the left panel, double-click the following:
HKEY_CLASSES_ROOT>1ClicktorrentFile1
Still in the left panel, locate and delete the key:
DefaultIcon
Again Still in the left panel, locate and delete the key:
shell
In the left panel, double-click the following:
HKEY_CLASSES_ROOT>1ClicktorrentFile1>shell>open
Still in the left panel, locate and delete the key:
command
Again Still in the left panel, locate and delete the key:
oneclickmg
In the left panel, double-click the following:
HKEY_CLASSES_ROOT>oneclickmg
Still in the left panel, locate and delete the key:
DefaultIcon
Again Still in the left panel, locate and delete the key:
shell
In the left panel, double-click the following:
HKEY_CLASSES_ROOT>oneclickmg>shell>open
Still in the left panel, locate and delete the key:
command
Again Still in the left panel, locate and delete the key:
oneclick
In the left panel, double-click the following:
HKEY_CLASSES_ROOT>oneclick
Still in the left panel, locate and delete the key:
DefaultIcon
Again Still in the left panel, locate and delete the key:
shell
In the left panel, double-click the following:
HKEY_CLASSES_ROOT>oneclick>shell>open
Still in the left panel, locate and delete the key:
command
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:
1ClickDownload
In the left panel, double-click the following:
HKEY_CLASSES_ROOT>AppID>{EA28B360-05E0-4F93-8150-02891F1D8D3C}>Instl
Still in the left panel, locate and delete the key:
Data
In the left panel, double-click the following:
HKEY_CLASSES_ROOT>AppID>{BDB69379-802F-4eaf-B541-F8DE92DD98DB}>Instl
Still in the left panel, locate and delete the key:
Data
In the left panel, double-click the following:
HKEY_CURRENT_USER>Software
Still in the left panel, locate and delete the key:
SweetIM
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>Software
Still in the left panel, locate and delete the key:
SweetIM
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:
{889DF117-14D1-44EE-9F31-C5FB5D47F68B}
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE
Still in the left panel, locate and delete the key:
Iminent
In the left panel, double-click the following:
HKEY_CLASSES_ROOT>AppID>{608D3067-77E8-463D-9084-908966806826}>instl
Still in the left panel, locate and delete the key:
data
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>Software>Google>Chrome>Extensions
Still in the left panel, locate and delete the key:
pmlghpafmmnmmkjdhacccolfgnkiboco
Close Registry Editor.

Step 3

Delete this registry value

[ Learn More ]

In HKEY_CURRENT_USER\Software\1ClickDownload
- UID = "175617271"

In HKEY_CURRENT_USER\Software\1ClickDownload
- LastInstall0 = "30307836"

In HKEY_CURRENT_USER\Software\1ClickDownload
- LastInstall2 = "30307836"

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\magnet
- Content Type = "application/x-magnet"

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\magnet1
- Content Type = "application/x-magnet"

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\oneclickmg
- Content Type = "application/x-oneclickmg"

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\oneclick
- Content Type = "application/x-oneclick"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\1ClickDownload
- DisplayName = "1ClickDownloader"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\1ClickDownload
- UninstallString = "%Program Files%\1ClickDownload\uninst.exe"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\1ClickDownload
- DisplayVersion = "2.7 Build 26473"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\1ClickDownload
- Publisher = "1ClickDownload"

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID\{EA28B360-05E0-4F93-8150-02891F1D8D3C}\Instl\Data
- aflt = "11111111"

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID\{BDB69379-802F-4eaf-B541-F8DE92DD98DB}\Instl\Data
- afltId = "11111111"

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID\{BDB69379-802F-4eaf-B541-F8DE92DD98DB}\Instl\Data
- hrdId = "11111111"

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID\{BDB69379-802F-4eaf-B541-F8DE92DD98DB}\Instl\Data
- prtnrId = "11111111"

In HKEY_CURRENT_USER\Software\SweetIM
- simapp_id = "11111111"

In HKEY_LOCAL_MACHINE\SOFTWARE\SweetIM
- simapp_id = "11111111"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{889DF117-14D1-44EE-9F31-C5FB5D47F68B}
- InstallDate = "20130502"

In HKEY_LOCAL_MACHINE\SOFTWARE\Iminent
- AppInstanceUid = "11111111"

In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID\{608D3067-77E8-463D-9084-908966806826}\instl\data
- hrdId = "11111111"

In HKEY_LOCAL_MACHINE\SOFTWARE\Google\Chrome\Extensions\pmlghpafmmnmmkjdhacccolfgnkiboco
- path = "%Program Files%\1ClickDownload\oneclickdownloader11.crx"

In HKEY_LOCAL_MACHINE\SOFTWARE\Google\Chrome\Extensions\pmlghpafmmnmmkjdhacccolfgnkiboco
- version = "1.1"

To delete the registry value this malware/grayware created:

Open Registry Editor. Click Start>Run, type REGEDIT, then press Enter.
In the left panel, double-click the following:
HKEY_CURRENT_USER>Software>1ClickDownload
In the right panel, locate and delete the entry:
UID = "175617271"
Again In the right panel, locate and delete the entry:
LastInstall0 = "30307836"
Again In the right panel, locate and delete the entry:
LastInstall2 = "30307836"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>magnet
In the right panel, locate and delete the entry:
Content Type = "application/x-magnet"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>magnet1
In the right panel, locate and delete the entry:
Content Type = "application/x-magnet"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>oneclickmg
In the right panel, locate and delete the entry:
Content Type = "application/x-oneclickmg"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>oneclick
In the right panel, locate and delete the entry:
Content Type = "application/x-oneclick"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>Uninstall>1ClickDownload
In the right panel, locate and delete the entry:
DisplayName = "1ClickDownloader"
Again In the right panel, locate and delete the entry:
UninstallString = "%Program Files%\1ClickDownload\uninst.exe"
Again In the right panel, locate and delete the entry:
DisplayVersion = "2.7 Build 26473"
Again In the right panel, locate and delete the entry:
Publisher = "1ClickDownload"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>AppID>{EA28B360-05E0-4F93-8150-02891F1D8D3C}>Instl>Data
In the right panel, locate and delete the entry:
aflt = "11111111"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>AppID>{BDB69379-802F-4eaf-B541-F8DE92DD98DB}>Instl>Data
In the right panel, locate and delete the entry:
afltId = "11111111"
Again In the right panel, locate and delete the entry:
hrdId = "11111111"
Again In the right panel, locate and delete the entry:
prtnrId = "11111111"
In the left panel, double-click the following:
HKEY_CURRENT_USER>Software>SweetIM
In the right panel, locate and delete the entry:
simapp_id = "11111111"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>SweetIM
In the right panel, locate and delete the entry:
simapp_id = "11111111"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>Uninstall>{889DF117-14D1-44EE-9F31-C5FB5D47F68B}
In the right panel, locate and delete the entry:
InstallDate = "20130502"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Iminent
In the right panel, locate and delete the entry:
AppInstanceUid = "11111111"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Classes>AppID>{608D3067-77E8-463D-9084-908966806826}>instl>data
In the right panel, locate and delete the entry:
hrdId = "11111111"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Google>Chrome>Extensions>pmlghpafmmnmmkjdhacccolfgnkiboco
In the right panel, locate and delete the entry:
path = "%Program Files%\1ClickDownload\oneclickdownloader11.crx"
Again In the right panel, locate and delete the entry:
version = "1.1"
Close Registry Editor.

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%\nsf3.tmp
%User Temp%\nsk5.tmp\System.dll
%User Temp%\nsk5.tmp\bd.htm
%User Temp%\nsk5.tmp\inetc3.dll
%User Temp%\nsk5.tmp\gC0
ocmainpack.exe
%User Temp%\nsk5.tmp\NSISdl.dll
%User Temp%\nsk5.tmp\gCo
%User Temp%\nsk5.tmp\nsDialogs.dll
%User Temp%\nsk5.tmp\skip.bmp
%User Temp%\nsk5.tmp\accept.bmp
%User Temp%\nsk5.tmp\accept1.bmp
%User Temp%\nsk5.tmp\accept2.bmp
%User Temp%\nsk5.tmp\accept3.bmp
%User Temp%\nsk5.tmp\decline.bmp
%User Temp%\nsk5.tmp\save.bmp
%User Temp%\nsk5.tmp\anon.bmp
%User Temp%\nsk5.tmp\1clogo.bmp
%User Temp%\nsk5.tmp\yontoo.bmp
%User Temp%\nsk5.tmp\1clogobvd.bmp
%User Temp%\nsk5.tmp\bab_on.bmp
%User Temp%\nsk5.tmp\bab_off.bmp
%User Temp%\nsk5.tmp\bab.bmp
%User Temp%\nsk5.tmp\fm.bmp
%User Temp%\nsk5.tmp\getGFGCountry13
%User Temp%\nsk5.tmp\b.bmp
%User Temp%\nsk5.tmp\a1.bmp
%User Temp%\nsk5.tmp\a2.bmp
%User Temp%\nsk5.tmp\a3.bmp
%User Temp%\nsk5.tmp\finishd.bmp
%User Temp%\nsk5.tmp\finish.bmp
%User Temp%\nsk5.tmp\finish3.bmp
%User Temp%\nsk5.tmp\finish2.bmp
%User Temp%\nsk5.tmp\finish1.bmp
%Program Files%\1ClickDownload\uninst.exe
1clextsetup.exe
BVDDSetup.exe
%User Temp%\nsk5.tmp\getGFGCountry9
%User Temp%\nsk5.tmp\ty2Response
%User Temp%\nsx28.tmp
%Program Files%\1ClickDownload\1ClickDownloader.exe
%Program Files%\1ClickDownload\1ClickSettingsManager2703.exe
%User Temp%\nss42.tmp
%Program Files%\1ClickDownload\oneclickdownloader11.crx
%User Profile%\OneClickDownload@OneClickDownload.com\bootstrap.js
%User Profile%\OneClickDownload@OneClickDownload.com\harness-options.json
%User Profile%\OneClickDownload@OneClickDownload.com\icon.png
%User Profile%\OneClickDownload@OneClickDownload.com\icon64.png
%User Profile%\OneClickDownload@OneClickDownload.com\install.rdf
%User Profile%\OneClickDownload@OneClickDownload.com\locales.json
%User Profile%\preferences\prefs.js
%User Profile%\locale\en-GB.json
%User Profile%\locale\eo.json
%User Profile%\locale\fr-FR.json
%User Profile%\data\index.html
%User Profile%\data\moz_favicon.ico
%User Profile%\data\pagemod-css-include-file.css
%User Profile%\data\test-context-menu.js
%User Profile%\data\test-page-mod.html
%User Profile%\data\test-page-worker.html
%User Profile%\data\test-page-worker.js
%User Profile%\data\test.html
%User Profile%\lib\context-menu.js
%User Profile%\lib\page-mod.js
%User Profile%\lib\page-worker.js
%User Profile%\lib\request.js
%User Profile%\lib\simple-storage.js
%User Profile%\lib\tabs.js
%User Profile%\lib\windows.js
%User Profile%\data\content-proxy.js
%User Profile%\data\test-content-symbiont.js
%User Profile%\data\test-message-manager.js
%User Profile%\data\test-trusted-document.html
%User Profile%\data\worker.js
%User Profile%\lib\api-utils.js
%User Profile%\lib\base.js
%User Profile%\lib\byte-streams.js
%User Profile%\lib\channel.js
%User Profile%\lib\collection.js
%User Profile%\lib\content.js
%User Profile%\lib\cortex.js
%User Profile%\lib\cuddlefish.js
%User Profile%\lib\environment.js
%User Profile%\lib\errors.js
%User Profile%\lib\events.js
%User Profile%\lib\file.js
%User Profile%\lib\functional.js
%User Profile%\lib\globals!.js
%User Profile%\lib\hidden-frame.js
%User Profile%\lib\light-traits.js
%User Profile%\lib\list.js
%User Profile%\lib\match-pattern.js
%User Profile%\lib\memory.js
%User Profile%\lib\message-manager.js
%User Profile%\lib\namespace.js
%User Profile%\lib\observer-service.js
%User Profile%\lib\plain-text-console.js
%User Profile%\lib\preferences-service.js
%User Profile%\lib\process.js
%User Profile%\lib\querystring.js
%User Profile%\lib\runtime.js
%User Profile%\lib\sandbox.js
%User Profile%\lib\self!.js
%User Profile%\lib\system.js
%User Profile%\lib\text-streams.js
%User Profile%\lib\timer.js
%User Profile%\lib\traceback.js
%User Profile%\lib\traits.js
%User Profile%\lib\unload.js
%User Profile%\lib\url.js
%User Profile%\lib\uuid.js
%User Profile%\lib\window-utils.js
%User Profile%\lib\xhr.js
%User Profile%\lib\xpcom.js
%User Profile%\lib\xul-app.js
%User Profile%\content\loader.js
%User Profile%\content\symbiont.js
%User Profile%\content\worker.js
%User Profile%\dom\events.js
%User Profile%\event\core.js
%User Profile%\event\target.js
%User Profile%\events\assembler.js
%User Profile%\tabs\events.js
%User Profile%\tabs\observer.js
%User Profile%\tabs\tab.js
%User Profile%\tabs\utils.js
%User Profile%\traits\core.js
%User Profile%\utils\data.js
%User Profile%\utils\object.js
%User Profile%\utils\registry.js
%User Profile%\utils\thumbnail.js
%User Profile%\window\utils.js
%User Profile%\windows\dom.js
%User Profile%\windows\loader.js
%User Profile%\windows\observer.js
%User Profile%\windows\tabs.js
%User Profile%\data\background.html
%User Profile%\data\bg.js
%User Profile%\data\dt.txt
%User Profile%\data\ex.js
%User Profile%\data\jquery.js
%User Profile%\lib\main.js
%User Profile%\Profiles\user.js

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

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

Right-click Start then click Search....
In the Named input box, type:
%User Temp%\nsf3.tmp
%User Temp%\nsk5.tmp\System.dll
%User Temp%\nsk5.tmp\bd.htm
%User Temp%\nsk5.tmp\inetc3.dll
%User Temp%\nsk5.tmp\gC0
ocmainpack.exe
%User Temp%\nsk5.tmp\NSISdl.dll
%User Temp%\nsk5.tmp\gCo
%User Temp%\nsk5.tmp\nsDialogs.dll
%User Temp%\nsk5.tmp\skip.bmp
%User Temp%\nsk5.tmp\accept.bmp
%User Temp%\nsk5.tmp\accept1.bmp
%User Temp%\nsk5.tmp\accept2.bmp
%User Temp%\nsk5.tmp\accept3.bmp
%User Temp%\nsk5.tmp\decline.bmp
%User Temp%\nsk5.tmp\save.bmp
%User Temp%\nsk5.tmp\anon.bmp
%User Temp%\nsk5.tmp\1clogo.bmp
%User Temp%\nsk5.tmp\yontoo.bmp
%User Temp%\nsk5.tmp\1clogobvd.bmp
%User Temp%\nsk5.tmp\bab_on.bmp
%User Temp%\nsk5.tmp\bab_off.bmp
%User Temp%\nsk5.tmp\bab.bmp
%User Temp%\nsk5.tmp\fm.bmp
%User Temp%\nsk5.tmp\getGFGCountry13
%User Temp%\nsk5.tmp\b.bmp
%User Temp%\nsk5.tmp\a1.bmp
%User Temp%\nsk5.tmp\a2.bmp
%User Temp%\nsk5.tmp\a3.bmp
%User Temp%\nsk5.tmp\finishd.bmp
%User Temp%\nsk5.tmp\finish.bmp
%User Temp%\nsk5.tmp\finish3.bmp
%User Temp%\nsk5.tmp\finish2.bmp
%User Temp%\nsk5.tmp\finish1.bmp
%Program Files%\1ClickDownload\uninst.exe
1clextsetup.exe
BVDDSetup.exe
%User Temp%\nsk5.tmp\getGFGCountry9
%User Temp%\nsk5.tmp\ty2Response
%User Temp%\nsx28.tmp
%Program Files%\1ClickDownload\1ClickDownloader.exe
%Program Files%\1ClickDownload\1ClickSettingsManager2703.exe
%User Temp%\nss42.tmp
%Program Files%\1ClickDownload\oneclickdownloader11.crx
%User Profile%\OneClickDownload@OneClickDownload.com\bootstrap.js
%User Profile%\OneClickDownload@OneClickDownload.com\harness-options.json
%User Profile%\OneClickDownload@OneClickDownload.com\icon.png
%User Profile%\OneClickDownload@OneClickDownload.com\icon64.png
%User Profile%\OneClickDownload@OneClickDownload.com\install.rdf
%User Profile%\OneClickDownload@OneClickDownload.com\locales.json
%User Profile%\preferences\prefs.js
%User Profile%\locale\en-GB.json
%User Profile%\locale\eo.json
%User Profile%\locale\fr-FR.json
%User Profile%\data\index.html
%User Profile%\data\moz_favicon.ico
%User Profile%\data\pagemod-css-include-file.css
%User Profile%\data\test-context-menu.js
%User Profile%\data\test-page-mod.html
%User Profile%\data\test-page-worker.html
%User Profile%\data\test-page-worker.js
%User Profile%\data\test.html
%User Profile%\lib\context-menu.js
%User Profile%\lib\page-mod.js
%User Profile%\lib\page-worker.js
%User Profile%\lib\request.js
%User Profile%\lib\simple-storage.js
%User Profile%\lib\tabs.js
%User Profile%\lib\windows.js
%User Profile%\data\content-proxy.js
%User Profile%\data\test-content-symbiont.js
%User Profile%\data\test-message-manager.js
%User Profile%\data\test-trusted-document.html
%User Profile%\data\worker.js
%User Profile%\lib\api-utils.js
%User Profile%\lib\base.js
%User Profile%\lib\byte-streams.js
%User Profile%\lib\channel.js
%User Profile%\lib\collection.js
%User Profile%\lib\content.js
%User Profile%\lib\cortex.js
%User Profile%\lib\cuddlefish.js
%User Profile%\lib\environment.js
%User Profile%\lib\errors.js
%User Profile%\lib\events.js
%User Profile%\lib\file.js
%User Profile%\lib\functional.js
%User Profile%\lib\globals!.js
%User Profile%\lib\hidden-frame.js
%User Profile%\lib\light-traits.js
%User Profile%\lib\list.js
%User Profile%\lib\match-pattern.js
%User Profile%\lib\memory.js
%User Profile%\lib\message-manager.js
%User Profile%\lib\namespace.js
%User Profile%\lib\observer-service.js
%User Profile%\lib\plain-text-console.js
%User Profile%\lib\preferences-service.js
%User Profile%\lib\process.js
%User Profile%\lib\querystring.js
%User Profile%\lib\runtime.js
%User Profile%\lib\sandbox.js
%User Profile%\lib\self!.js
%User Profile%\lib\system.js
%User Profile%\lib\text-streams.js
%User Profile%\lib\timer.js
%User Profile%\lib\traceback.js
%User Profile%\lib\traits.js
%User Profile%\lib\unload.js
%User Profile%\lib\url.js
%User Profile%\lib\uuid.js
%User Profile%\lib\window-utils.js
%User Profile%\lib\xhr.js
%User Profile%\lib\xpcom.js
%User Profile%\lib\xul-app.js
%User Profile%\content\loader.js
%User Profile%\content\symbiont.js
%User Profile%\content\worker.js
%User Profile%\dom\events.js
%User Profile%\event\core.js
%User Profile%\event\target.js
%User Profile%\events\assembler.js
%User Profile%\tabs\events.js
%User Profile%\tabs\observer.js
%User Profile%\tabs\tab.js
%User Profile%\tabs\utils.js
%User Profile%\traits\core.js
%User Profile%\utils\data.js
%User Profile%\utils\object.js
%User Profile%\utils\registry.js
%User Profile%\utils\thumbnail.js
%User Profile%\window\utils.js
%User Profile%\windows\dom.js
%User Profile%\windows\loader.js
%User Profile%\windows\observer.js
%User Profile%\windows\tabs.js
%User Profile%\data\background.html
%User Profile%\data\bg.js
%User Profile%\data\dt.txt
%User Profile%\data\ex.js
%User Profile%\data\jquery.js
%User Profile%\lib\main.js
%User Profile%\Profiles\user.js
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.
Repeat the said steps for all files listed.

• For Windows Vista and Windows 7 users:

Click Start>Computer.
In the Search input box, type:
%User Temp%\nsf3.tmp
%User Temp%\nsk5.tmp\System.dll
%User Temp%\nsk5.tmp\bd.htm
%User Temp%\nsk5.tmp\inetc3.dll
%User Temp%\nsk5.tmp\gC0
ocmainpack.exe
%User Temp%\nsk5.tmp\NSISdl.dll
%User Temp%\nsk5.tmp\gCo
%User Temp%\nsk5.tmp\nsDialogs.dll
%User Temp%\nsk5.tmp\skip.bmp
%User Temp%\nsk5.tmp\accept.bmp
%User Temp%\nsk5.tmp\accept1.bmp
%User Temp%\nsk5.tmp\accept2.bmp
%User Temp%\nsk5.tmp\accept3.bmp
%User Temp%\nsk5.tmp\decline.bmp
%User Temp%\nsk5.tmp\save.bmp
%User Temp%\nsk5.tmp\anon.bmp
%User Temp%\nsk5.tmp\1clogo.bmp
%User Temp%\nsk5.tmp\yontoo.bmp
%User Temp%\nsk5.tmp\1clogobvd.bmp
%User Temp%\nsk5.tmp\bab_on.bmp
%User Temp%\nsk5.tmp\bab_off.bmp
%User Temp%\nsk5.tmp\bab.bmp
%User Temp%\nsk5.tmp\fm.bmp
%User Temp%\nsk5.tmp\getGFGCountry13
%User Temp%\nsk5.tmp\b.bmp
%User Temp%\nsk5.tmp\a1.bmp
%User Temp%\nsk5.tmp\a2.bmp
%User Temp%\nsk5.tmp\a3.bmp
%User Temp%\nsk5.tmp\finishd.bmp
%User Temp%\nsk5.tmp\finish.bmp
%User Temp%\nsk5.tmp\finish3.bmp
%User Temp%\nsk5.tmp\finish2.bmp
%User Temp%\nsk5.tmp\finish1.bmp
%Program Files%\1ClickDownload\uninst.exe
1clextsetup.exe
BVDDSetup.exe
%User Temp%\nsk5.tmp\getGFGCountry9
%User Temp%\nsk5.tmp\ty2Response
%User Temp%\nsx28.tmp
%Program Files%\1ClickDownload\1ClickDownloader.exe
%Program Files%\1ClickDownload\1ClickSettingsManager2703.exe
%User Temp%\nss42.tmp
%Program Files%\1ClickDownload\oneclickdownloader11.crx
%User Profile%\OneClickDownload@OneClickDownload.com\bootstrap.js
%User Profile%\OneClickDownload@OneClickDownload.com\harness-options.json
%User Profile%\OneClickDownload@OneClickDownload.com\icon.png
%User Profile%\OneClickDownload@OneClickDownload.com\icon64.png
%User Profile%\OneClickDownload@OneClickDownload.com\install.rdf
%User Profile%\OneClickDownload@OneClickDownload.com\locales.json
%User Profile%\preferences\prefs.js
%User Profile%\locale\en-GB.json
%User Profile%\locale\eo.json
%User Profile%\locale\fr-FR.json
%User Profile%\data\index.html
%User Profile%\data\moz_favicon.ico
%User Profile%\data\pagemod-css-include-file.css
%User Profile%\data\test-context-menu.js
%User Profile%\data\test-page-mod.html
%User Profile%\data\test-page-worker.html
%User Profile%\data\test-page-worker.js
%User Profile%\data\test.html
%User Profile%\lib\context-menu.js
%User Profile%\lib\page-mod.js
%User Profile%\lib\page-worker.js
%User Profile%\lib\request.js
%User Profile%\lib\simple-storage.js
%User Profile%\lib\tabs.js
%User Profile%\lib\windows.js
%User Profile%\data\content-proxy.js
%User Profile%\data\test-content-symbiont.js
%User Profile%\data\test-message-manager.js
%User Profile%\data\test-trusted-document.html
%User Profile%\data\worker.js
%User Profile%\lib\api-utils.js
%User Profile%\lib\base.js
%User Profile%\lib\byte-streams.js
%User Profile%\lib\channel.js
%User Profile%\lib\collection.js
%User Profile%\lib\content.js
%User Profile%\lib\cortex.js
%User Profile%\lib\cuddlefish.js
%User Profile%\lib\environment.js
%User Profile%\lib\errors.js
%User Profile%\lib\events.js
%User Profile%\lib\file.js
%User Profile%\lib\functional.js
%User Profile%\lib\globals!.js
%User Profile%\lib\hidden-frame.js
%User Profile%\lib\light-traits.js
%User Profile%\lib\list.js
%User Profile%\lib\match-pattern.js
%User Profile%\lib\memory.js
%User Profile%\lib\message-manager.js
%User Profile%\lib\namespace.js
%User Profile%\lib\observer-service.js
%User Profile%\lib\plain-text-console.js
%User Profile%\lib\preferences-service.js
%User Profile%\lib\process.js
%User Profile%\lib\querystring.js
%User Profile%\lib\runtime.js
%User Profile%\lib\sandbox.js
%User Profile%\lib\self!.js
%User Profile%\lib\system.js
%User Profile%\lib\text-streams.js
%User Profile%\lib\timer.js
%User Profile%\lib\traceback.js
%User Profile%\lib\traits.js
%User Profile%\lib\unload.js
%User Profile%\lib\url.js
%User Profile%\lib\uuid.js
%User Profile%\lib\window-utils.js
%User Profile%\lib\xhr.js
%User Profile%\lib\xpcom.js
%User Profile%\lib\xul-app.js
%User Profile%\content\loader.js
%User Profile%\content\symbiont.js
%User Profile%\content\worker.js
%User Profile%\dom\events.js
%User Profile%\event\core.js
%User Profile%\event\target.js
%User Profile%\events\assembler.js
%User Profile%\tabs\events.js
%User Profile%\tabs\observer.js
%User Profile%\tabs\tab.js
%User Profile%\tabs\utils.js
%User Profile%\traits\core.js
%User Profile%\utils\data.js
%User Profile%\utils\object.js
%User Profile%\utils\registry.js
%User Profile%\utils\thumbnail.js
%User Profile%\window\utils.js
%User Profile%\windows\dom.js
%User Profile%\windows\loader.js
%User Profile%\windows\observer.js
%User Profile%\windows\tabs.js
%User Profile%\data\background.html
%User Profile%\data\bg.js
%User Profile%\data\dt.txt
%User Profile%\data\ex.js
%User Profile%\data\jquery.js
%User Profile%\lib\main.js
%User Profile%\Profiles\user.js
Once located, select the file then press SHIFT+DELETE to delete it.
Repeat the said steps for all files listed.
*Note: Read the following Microsoft page if these steps do not work on Windows 7.

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.

%System Root%\DOCUME~1
%System Root%\DOCUME~1\Wilbert
%User Profile%\LOCALS~1
%User Temp%\nsk5.tmp
%Program Files%\1ClickDownload
%System Root%\Documents and Settings\Wilbert
%User Profile%\Application Data\Mozilla
%User Profile%\Mozilla\Firefox
%User Profile%\Firefox\Profiles
%User Profile%\Profiles\extensions
%User Profile%\extensions\OneClickDownload@OneClickDownload.com
%User Profile%\OneClickDownload@OneClickDownload.com\defaults
%User Profile%\defaults\preferences
%User Profile%\OneClickDownload@OneClickDownload.com\locale
%User Profile%\OneClickDownload@OneClickDownload.com\resources
%User Profile%\resources\addon-kit
%User Profile%\addon-kit\data
%User Profile%\addon-kit\lib
%User Profile%\resources\api-utils
%User Profile%\api-utils\data
%User Profile%\api-utils\lib
%User Profile%\lib\content
%User Profile%\lib\dom
%User Profile%\lib\event
%User Profile%\lib\events
%User Profile%\lib\tabs
%User Profile%\lib\traits
%User Profile%\lib\utils
%User Profile%\lib\window
%User Profile%\lib\windows
%User Profile%\resources\oneclickdownloader
%User Profile%\oneclickdownloader\data
%User Profile%\oneclickdownloader\lib
%User Profile%\oneclickdownloader\tests

To delete malware/grayware/spyware folders:

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

%System Root%\DOCUME~1
%System Root%\DOCUME~1\Wilbert
%User Profile%\LOCALS~1
%User Temp%\nsk5.tmp
%Program Files%\1ClickDownload
%System Root%\Documents and Settings\Wilbert
%User Profile%\Application Data\Mozilla
%User Profile%\Mozilla\Firefox
%User Profile%\Firefox\Profiles
%User Profile%\Profiles\extensions
%User Profile%\extensions\OneClickDownload@OneClickDownload.com
%User Profile%\OneClickDownload@OneClickDownload.com\defaults
%User Profile%\defaults\preferences
%User Profile%\OneClickDownload@OneClickDownload.com\locale
%User Profile%\OneClickDownload@OneClickDownload.com\resources
%User Profile%\resources\addon-kit
%User Profile%\addon-kit\data
%User Profile%\addon-kit\lib
%User Profile%\resources\api-utils
%User Profile%\api-utils\data
%User Profile%\api-utils\lib
%User Profile%\lib\content
%User Profile%\lib\dom
%User Profile%\lib\event
%User Profile%\lib\events
%User Profile%\lib\tabs
%User Profile%\lib\traits
%User Profile%\lib\utils
%User Profile%\lib\window
%User Profile%\lib\windows
%User Profile%\resources\oneclickdownloader
%User Profile%\oneclickdownloader\data
%User Profile%\oneclickdownloader\lib
%User Profile%\oneclickdownloader\tests
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: %System Root%\DOCUME~1
%System Root%\DOCUME~1\Wilbert
%User Profile%\LOCALS~1
%User Temp%\nsk5.tmp
%Program Files%\1ClickDownload
%System Root%\Documents and Settings\Wilbert
%User Profile%\Application Data\Mozilla
%User Profile%\Mozilla\Firefox
%User Profile%\Firefox\Profiles
%User Profile%\Profiles\extensions
%User Profile%\extensions\OneClickDownload@OneClickDownload.com
%User Profile%\OneClickDownload@OneClickDownload.com\defaults
%User Profile%\defaults\preferences
%User Profile%\OneClickDownload@OneClickDownload.com\locale
%User Profile%\OneClickDownload@OneClickDownload.com\resources
%User Profile%\resources\addon-kit
%User Profile%\addon-kit\data
%User Profile%\addon-kit\lib
%User Profile%\resources\api-utils
%User Profile%\api-utils\data
%User Profile%\api-utils\lib
%User Profile%\lib\content
%User Profile%\lib\dom
%User Profile%\lib\event
%User Profile%\lib\events
%User Profile%\lib\tabs
%User Profile%\lib\traits
%User Profile%\lib\utils
%User Profile%\lib\window
%User Profile%\lib\windows
%User Profile%\resources\oneclickdownloader
%User Profile%\oneclickdownloader\data
%User Profile%\oneclickdownloader\lib
%User Profile%\oneclickdownloader\tests

Step 6

Scan your computer with your Trend Micro product to delete files detected as ADW_ONECLICK. 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%\nsp1.tmp
%User Temp%\nsk5.tmp
%User Temp%\nsyCB.tmp
%User Temp%\nsnCD.tmp
%User Temp%\nsx26.tmp
%User Temp%\nss40.tmp

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