from a google search
Turn off System Restore to prevent re-infection from infected restore points.
To get to the System Restore menu:
Start > Programs > Accessories > System Tools > System restore
Reboot in safe mode with networking.
To get into Safe Mode with Networking: <--Extremely Important!
1. Turn off system restore
2. Log out and reboot your machine.
3. When the machine starts the reboot sequence, press the F8 key repeatedly.
4. Select Safe Mode with Networking from the resulting menu.
Download Malwarebytes AntiMalware
Malwarebytes.org
Rename mbam.exe to xxx.exe <--Extremely Important!
Install and run full scan.
Follow all recommendations for everything detected.
Reboot and Restart System Restore.
Your All Set.
not test the above method..
but malwarebytes is a MUST HAVE program installed on any pc with windows !
hope the above helps