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W32/Rbot-ASG

Aliases
  • WORM_RBOT.CLZ
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 18 October 2005 13:21:55 (GMT)
Last updated 20 October 2005 03:41:13 (GMT)
Detected by All Sophos products
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Action

More Information

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

W32/Rbot-ASG 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/Rbot-ASG copies itself to <System>\msgsm32.exe.

The following registry entries are created to run msgsm32.exe on startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
msgsm32
msgsm32.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
msgsm32
msgsm32.exe

Registry entries are set as follows:

HKCU\Software\Microsoft\OLE
msgsm32
msgsm32.exe

HKLM\SOFTWARE\Microsoft\Ole
EnableDCOM
N

HKLM\SYSTEM\CurrentControlSet\Control\Lsa
restrictanonymous
1

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