How can I get clear of a Virus on my computer?

[RedLotus]

I have a really annoying virus on my computer that makes my mouse cursor drift and jump. My anti-virus can’t even detect them let alone delete them. What can I do?

[Bigstack]

download malwarebytes they have a free version http://www.malwarebytes.org/products/malwarebytes_free it does a very good job.

[kinomakoto]

A fast ways to check for viruses is to use an online scanner, such as the Microsoft Safety Scanner. The scanner is a free online service that helps you classify and eliminate viruses, clean up your hard disk, and generally improve your computer's routine.