Summary

Summary
Action
More Information
| How it spreads |
|
|---|---|
| Affected operating systems | Windows |
| Included in our products from | August 2005 (3.96) |
| Protection available since | 5 July 2005 12:50:46 (GMT) |
| Detected by | All Sophos products |
Action

Summary
Action
More Information
Please follow the instructions for removing worms.
Windows NT/2000/XP/2003
In Windows NT/2000/XP/2003 you will also need to edit the following registry entries. The removal of these entries is optional in Windows 95/98/Me. Please read the warning about editing the registry.
At the taskbar, click Start|Run. Type 'Regedit' and press Return. The registry editor opens.
Before you edit the registry, you should make a backup. On the 'Registry' menu, click 'Export Registry File'. In the 'Export range' panel, click 'All', then save your registry as Backup.
Locate the HKEY_LOCAL_MACHINE entry:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run\
and remove any reference to any file you deleted.
Each user has a registry area named HKEY_USERS\[code number indicating user]\. For each user locate the entry:
HKU\[code number]\Software\Microsoft\Windows\
CurrentVersion\Run\
and remove any reference to any file you deleted.
Close the registry editor.
More Information
W32/Sdbot-AAB is a worm with backdoor Trojan functionality.
W32/Sdbot-AAB runs continuously in the background, providing a backdoor server which allows a remote intruder to gain access to and control over the computer via IRC channels.
W32/Sdbot-AAB will attempt to spread to unprotected network shares.
When first run W32/Sdbot-AAB copies itself to <System>\winxp2.exe.
The following registry entries are created to run winxp2.exe on startup:
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
Jufualt
winxp2.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Jufualt
winxp2.exe
