Sophos

W32/Sdbot-ADK

Aliases
  • Backdoor.Win32.SdBot.gen
  • W32/Sdbot.worm.gen.bk
  • virus
  • W32.Randex
Category
Type
What to do
Prevalence low high

Summary

 
How it spreads
  • Network shares
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Included in our products from December 2005 (4.00)
Protection available since 28 September 2005 21:42:59 (GMT)
Last updated 17 October 2005 09:08:53 (GMT)
Detected by All Sophos products

Action

More Information

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

W32/Sdbot-ADK spreads to other network computers infected with: Troj/Kuang, Troj/Sub7, Troj/NetDevil and W32/MyDoom.

W32/Sdbot-ADK 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-ADK copies itself to <System>\beegees.exe and creates the file <System>\keylog.txt.
The file keylog.txt is not malicious and can simply be deleted.

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

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
Beegees Update
beegees.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Beegees Update
beegees.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
Beegees Update
beegees.exe

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