Cloud Anti-Virus Programs Are Also Useful For Double Checking Whether Your PC is Infected OR Not!

Here are some cloud based anti-virus programs:
Hitman Pro
http://www.surfright.nl/en/downloads/
Prevx ( No Longer Available )
http://www.prevx.com/
Note: The Prevx is no longer available for free therefore just use Hitman Pro instead!
They are good for double checking if you are not infected!
Tips: You could use Hitman Pro trial license to remove anything it finds for FREE for certain period of time.