Sophos

W32/Sdbot-AJV

Aliases
  • WORM_SDBOT.CVL
  • Backdoor.Win32.SdBot.ajn
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 28 December 2005 08:42:26 (GMT)
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Action

More Information

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

W32/Sdbot-AJV 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-AJV copies itself to:

\eminem vs 2pac.scr
\funny pic.scr
\photo album.scr
<System>\mstf.exe

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

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
Microsoft Windows MSST
mstf.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Microsoft Windows MSST
mstf.exe

HKCU\Software\Microsoft\Windows\CurrentVersion\RunServices
Microsoft Windows MSST
mstf.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
Microsoft Windows MSST
mstf.exe

Registry entries are set as follows:

HKCU\SYSTEM\CurrentControlSet\Control\Lsa
Microsoft Windows MSST
mstf.exe

HKLM\SYSTEM\CurrentControlSet\Control\Lsa
Microsoft Windows MSST
mstf.exe

HKCU\Software\Microsoft\OLE
Microsoft Windows MSST
mstf.exe

HKLM\SOFTWARE\Microsoft\Ole
Microsoft Windows MSST
mstf.exe

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