Summary

Summary
Action
More Information
| How it spreads |
|
|---|---|
| Affected operating systems | Windows |
| Characteristics |
|
| Protection available since | 14 December 2004 13:56:30 (GMT) |
| Detected by | All Sophos products |
- Free virus, spyware, and adware scan
- Test your existing anti-virus protection
- Find threats your anti-virus missed
Action

Summary
Action
More Information
Please follow the instructions for removing worms.
Check your administrator passwords and review network security.
You will also need to edit the following registry entries, if they are present. 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 entries:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run
HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices
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-SG is a worm with backdoor Trojan functionality.
W32/Sdbot-SG is capable of spreading to computers on the local network protected by weak passwords after receiving the appropriate backdoor command. W32/Sdbot-SG is a worm with backdoor Trojan functionality.
W32/Sdbot-SG is capable of spreading to computers on the local network protected by weak passwords after receiving the appropriate backdoor command.
When first run, W32/Sdbot-SG copies itself to the Windows system folder as DQDDSS.EXE and runs this copy of the worm. In order to run each time a user logs on, W32/Sdbot-SG will set the following registry entries:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run
ffeqfqs
dqddss.exe
HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices
ffeqfqs
dqddss.exe
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
ffeqfqs
dqddss.exe
The worm runs continuously in the background providing backdoor access to the infected computer.
