Sophos

W32/Delbot-AG

Aliases
  • Win32/Rinbot.S
  • W32/Nirbot.worm.gen
  • Backdoor.Win32.VanBot.ay
  • W32/Backdoor.AHJW
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 11 April 2007 12:22:38 (GMT)
Last updated 14 May 2007 13:11:25 (GMT)
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Action

More Information

W32/Delbot-AG is a worm with IRC Backdoor functionality which allows a remote intruder to gain access and control over the computer vie IRC channels.

W32/Delbot-AG spreads
 - to computers vulnerable to common exploits, including: Symantec (SYM06-010)
 - to MSSQL servers protected by weak passwords

When first run W32/Delbot-AG copies itself to <System>\biggy.exe.

The following registry entry is created to run biggy.exe on startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
BIG
<System>\biggy.exe

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