Sophos

W32/Rbot-AHO

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 6 July 2005 20:48:30 (GMT)
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Action

More Information

W32/Rbot-AHO is a worm and IRC backdoor Trojan for the Windows platform.

W32/Rbot-AHO 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.

W32/Rbot-AHO can spread to remote network shares protected by weak passwords. The worm may also be dropped by W32/Kelvir-AO.

When first run W32/Rbot-AHO copies itself to <Windows system folder>\list32.exe.

The following registry entries are created to run list32.exe on startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
List checker 32 BIT
list32.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
List checker 32 BIT
list32.exe

The following registry entry is set:

HKCU\Software\Microsoft\OLE
List checker 32 BIT
list32.exe

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