Sophos

Troj/Singu-B

Aliases
  • Backdoor.Win32.BlackHole.2005.ac
  • Downloader-AFW
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Included in our products from January 2006 (4.01)
Protection available since 20 November 2005 07:26:25 (GMT)
Detected by All Sophos products

Action

More Information

Troj/Singu-B is a password stealing Trojan for the Windows platform.

Troj/Singu-B includes functionality to access the internet and communicate with a remote server via HTTP.

When first run Troj/Singu-B copies itself to <Windows>\svchost.exe and creates the following files:

<Temp>\sarbw.dll - detected as Troj/Singu-B
<Windows>\svchost.cfg - this file may be deleted

The file <Windows>\svchost.exe is registered as a new system driver service named "svchost", with a display name of "svchost" and a startup type of automatic, so that it is started automatically during system startup. Registry entries are created under:

HKLM\SYSTEM\CurrentControlSet\Services\svchost\

The following registry entries are set, affecting internet security:

HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\EnableAutodial

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\EnableAutodial

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