Sophos

W32/Delbot-AD

Aliases
  • W32/Nirbot.worm.gen
  • Backdoor.Win32.VanBot.bh
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 2 April 2007 06:24:02 (GMT)
Last updated 28 May 2007 07:38:42 (GMT)
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Action

More Information

W32/Delbot-AD is a worm with backdoor functionality for the Windows platforms which allows a remote intruder to gain access and control over the computer.

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

W32/Delbot-AD includes functionality to download, install and run new software.

When first run W32/Delbot-AD copies itself to <System>\jscript.exe and creates the file \ertg.exe.

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

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Javascript
<System>\jscript.exe

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