Sophos

W32/Sdbot-BCE

Aliases
  • Backdoor.Win32.SdBot.aov
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 March 2006 17:36:33 (GMT)
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Action

More Information

W32/Sdbot-BCE is a worm and backdoor Trojan for the Windows platform.

W32/Sdbot-BCE may spread to other computers by exploiting common vulnerabilities such as LSASS (MS04-011) and RPC-DCOM (MS04-012).

When first run W32/Sdbot-BCE copies itself to <System>\vmmon32.exe.

The following registry entries are created to run vmmon32.exe on startup:

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
Printer
<System>\vmmon32.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Printer
<System>\vmmon32.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
Printer
<System>\vmmon32.exe

Registry entries are set as follows:

HKLM\SOFTWARE\Microsoft\Ole
EnableDCOM
N

HKLM\SYSTEM\CurrentControlSet\Control\Lsa
restrictanonymous
1

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