Sophos

Troj/Autorun-BO

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 21 February 2008 20:10:11 (GMT)
Detected by All Sophos products

Action

More Information

Troj/Autorun-BO is a Trojan for the Windows platform.

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

When first run Troj/Autorun-BO copies itself to <System>\rxjddnvj.exe and creates the file <System>\winfrun32.bin.

The following registry entries are changed to run rxjddnvj.exe on startup:

HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon
Userinit
<System>\rxjddnvj.exe,

HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
Userinit
<System>\userinit.exe,<System>\rxjddnvj.exe,

The following registry entries are set, disabling system software:

HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System
DisableTaskMgr
1

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system
DisableTaskMgr
1

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