W32/Sdbot-ABJ

Category: Viruses and Spyware
Type: Win32 worm
Prevalence: No Reports

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W32/Sdbot-ABJ is a worm with backdoor functionality for the Windows platform.

W32/Sdbot-ABJ 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/Sdbot-ABJ copies itself to <Windows system folder>\aolfix.exe.

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

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
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aolfix.exe

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

HKCU\Software\Microsoft\Windows\CurrentVersion\RunServices
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aolfix.exe

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

Registry entries are set as follows:

HKLM\SOFTWARE\Microsoft\Ole
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aolfix.exe

HKLM\SYSTEM\CurrentControlSet\Control\Lsa
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aolfix.exe