To get rid of rogue anti virus software and other malware visit download.com and search for AVG 8 Free. Download it and go through the steps. Trust me it won't just find the rogue antivirus it will also find numerous cookies, adware. Things you thought or didn't know you were infected with.
Visit this site
http://download.cnet.com/1770-20_4-0.html?query=AVG+Free&tag=srch&searchtype=downloads&filterName=platform%3DWindows&filter=platform%3DWindows