W32/Sdbot-ACY is a worm and IRC backdoor Trojan for the Windows platform.
W32/Sdbot-ACY 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.
W32/Sdbot-ACY can spread via Instant Messenger applications.
When first run W32/Sdbot-ACY copies itself to <System>\windir32.exe.
The following registry entries are created to run windir32.exe on startup:
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
Microsoft System DLL Services Configuration
windir32.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Microsoft System DLL Services Configuration
windir32.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
Microsoft System DLL Services Configuration
windir32.exe