Sophos

Troj/Agent-GQJ

Aliases
  • Backdoor.Win32.Small.cwc
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Included in our products from April 2008 (4.28)
Protection available since 1 March 2008 00:04:02 (GMT)
Detected by All Sophos products

Action

More Information

Troj/Agent-GQJ is a Trojan for the Windows platform. The Trojan includes functionality to access the internet and communicate with a remote server via HTTP.

When Troj/Agent-GQJ is installed the following files are created:

<Windows>\Installer\{random CLSID}\zip.dll

The file zip.dll is also detected as Troj/Agent-GQJ.

The file zip.dll is registered as a COM object, creating registry entries under:

HKCR\CLSID\{random CLSID}

The following registry entry is created to run code exported by zip.dll on startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad
zip
{random CLSID}

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