W32/Sdbot-DCZ is a worm with IRC backdoor functionality for the Windows platform.
W32/Sdbot-DCZ 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-DCZ copies itself to <System>\windl32.exe.
The following registry entries are created to run windl32.exe on startup:
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
Microsoft
windl32.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Microsoft
windl32.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
Microsoft
windl32.exe