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ContentMatch

Aliases
  • AdWare.Win32.BHO.av
  • AdWare.Win32.BHO.bw
  • AdWare.Win32.BHO.bt
  • AdWare.Win32.BHO.br
  • AdClicker-BJ trojan
Category
Type
What to do
  • If you've received an alert for a blocked PUA or adware and decide that the application is not suitable for your workplace, then follow the instructions for removing PUAs.

Summary

 
Affected operating systems Windows
Protection available since 22 January 2007 14:25:48 (GMT)
Last updated 3 November 2009 20:49:52 (GMT)
Detected by Sophos Anti-Virus for Windows, version 7, and PureMessage for Microsoft Exchange.

More Information

ContentMatch is an adware application.

When ContentMatch is installed the following files are created:

<Common Files>\CPUSH\cpush.dll
<Common Files>\CPUSH\Uninst.exe
<System>\kdjs1.exe

The file cpush.dll is registered as a COM object and Browser Helper Object (BHO) for Microsoft Internet Explorer, creating registry entries under:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{11F09AFD-75AD-4E51-AB43-E09E9351CE16}
HKCR\CLSID\{CDE9EB54-A08E-4570-B748-13F5DDB5781C}
HKCR\CLSID\{34A12A06-48C0-420D-8F11-73552EE9631A}
HKCR\CLSID\{11F09AFD-75AD-4E51-AB43-E09E9351CE16}
HKCR\NewMediasPopup.EdLogic
HKCR\NewMediasPopup.EdLogic.1
HKCR\NewAdPopup.ToolbarDetector
HKCR\NewAdPopup.ToolbarDetector.1
HKCR\NewAdPopup.PopupBlock.1
HKCR\NewAdPopup.PopupBlock

The following registry entry is set, affecting internet security:

HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List
<Program Files>\Internet Explorer\IEXPLORE.EXE
<Program Files>\Internet Explorer\IEXPLORE.EXE:*:Enabled:Internet Explorer

Registry entries are created under:

HKLM\SOFTWARE\Sohu R&D\Download
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ContentMatch
HKLM\SOFTWARE\cpush

ContentMatch provides an uninstall option which can be accessed via the Add or Remove Programs dialog in the Windows Control Panel. The software is listed as "AdPush Software".

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