Always pays to be safe, follow the steps below to check and clean the system.
Download Malwarebytes AntiMalware http://www.malwarebytes.org/mbam.php
And
SpyBot Search And Destroy http://www.safer-networking.org/en/downl…
Install, update and run full scan, run malwarebytes first, followed by Spybot Search & Destroy
Do not run at the same time.
Follow all recommendations for everything detected.
Restart Computer.
****ALTERNATIVE METHOD (if unable to run mbam duee to infection)
Turn off System Restore to prevent re-infection from infected restore points.
(If using Vista turn off UAC first)
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 http://www.malwarebytes.org/mbam.php
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.