Sophos

W32/Rbot-BJA

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 9 January 2006 08:48:48 (GMT)
Detected by All Sophos products
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Action

More Information

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

W32/Rbot-BJA 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-BJA copies itself to <System>\mssetupconf.exe.

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

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
System Update
mssetupconf.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
System Update
mssetupconf.exe

HKCU\Software\Microsoft\Windows\CurrentVersion\RunServices
System Update
mssetupconf.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
System Update
mssetupconf.exe

Registry entries are set as follows:

HKCU\SYSTEM\CurrentControlSet\Control\Lsa
System Update
mssetupconf.exe

HKLM\SYSTEM\CurrentControlSet\Control\Lsa
System Update
mssetupconf.exe

HKCU\Software\Microsoft\OLE
System Update
mssetupconf.exe

HKLM\SOFTWARE\Microsoft\Ole
System Update
mssetupconf.exe

HKLM\SOFTWARE\Microsoft\Ole
EnableDCOM
N

HKLM\SYSTEM\CurrentControlSet\Control\Lsa
restrictanonymous
1

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