Sophos

W32/Sdbot-AFX

Category
Type
What to do
Prevalence low high

Summary

 
How it spreads
  • Network shares
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Protection available since 30 November 2005 10:12:06 (GMT)
Detected by All Sophos products
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Action

More Information

W32/Sdbot-AFX is a worm and IRC backdoor Trojan for the Windows platform.

W32/Sdbot-AFX spreads to other network computers infected with W32/MyDoom and networks protected by weak passwords.

W32/Sdbot-AFX runs continuously in the background, providing a backdoor server which allows a remote intruder to gain access and control over the computer via IRC channels.

When first run W32/Sdbot-AFX copies itself to <System>\nVidiaDrvers.exe.

The following registry entries are created to run nVidiaDrvers.exe on startup:

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
nVidia Drivers
nVidiaDrvers.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
nVidia Drivers
nVidiaDrvers.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
nVidia Drivers
nVidiaDrvers.exe

W32/Sdbot-AFX includes functionality to:

- steal CD game keys
- steal information
- perform DDoS attacks
- download files from the internet

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