Expert users -- and only expert users -- who know what they're doing can also remove the worm manually.

1. Restart the PC in safe mode
2. Run regedit
3. Go to HKLM/software/microsoft/windows/currentversion/run once find entry with mshtmldat32.exe. Delete this entry.
4. Go to Windows\System32 directory and delete following files: wndrivs32.exe, mshtmldat32.exe, winlgcvers.exe, sdrivew32.exe
5. Go to windows/system32/drivers/etc
6. Find file hosts
7. Open it with notepad, ctrl+a and delete all entries (this will resume your antivirus updates), save, close.
8. Restart the PC.

Wishing you a virus-free week.