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W32/SdBot-HF

Aliases
Backdoor.SdBot.hf

Type
Win32 worm

Description
W32/SdBot-HF is a network worm with a backdoor functionality that spreads via weakly protected network shares.
When executed W32/SdBot-HF copies itself to the Windows system32 folder with the filename msclock.exe and sets the following registry entries with the path to the copy:

HKLM\Software\Microsoft\Windows\CurrentVersion\Run\
Microsoft Digital Clock

HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices\
Microsoft Digital Clock

W32/SdBot-HF has a backdoor component that allows a malicious user to remotely control a compromised computer via the IRC network.

W32/SdBot-HF attempts to terminate a number processes related to anti-virus and security applications.

http://www.sophos.com/virusinfo/analyses/w32sdbothf.html

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