We at Malwarebytes realize this is becoming a more prevalent issue, and have created a free application to help keep you safe and secure - RogueRemover FREE
RogueRemover FREE is an application that can remove rogue antispyware, antivirus, and hard drive cleaning applications with ease. Rogue applications provide false information about the safety of your computer as well as, give erroneous scan results or put their own malware on your computer. More Info »
RogueRemover FREE has the ability to completely remove WinAntiSpyware/WinAntiVirus, SpyAxe, VirusBlast, VirusBursters, as well as a number of other rogue applications. In addition, we have implemented a threats center which will allow you to keep up to date with the latest rogue threats.