Moved to Malware Assistance > Home User Assistance.
This is fake antimalware and as such gets past most antivirus applications as it relies on the computer user clicking on something to activate it.
It is described here along with an excellent removal guide: http://www.bleepingcomputer.com/virus-removal/remove-win-7-internet-security-201 1
Scroll down the page as the first links you see are advertising.
Do you know how to boot into Safe Mode?
That got it, thank you.