Pondus
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full removal guide here, read it all before you start
How to remove XP Security Tool 2010, XP Defender Pro, and Vista Security Tool 2010 (Uninstall Guide)
http://www.bleepingcomputer.com/virus-removal/remove-antivirus-vista-2010
XP Security Tool 2010, XP Defender Pro, Vista Security Tool 2010, and Vista Defender Pro are all new rogues that are exactly the same program. They are just shown with different names and interfaces depending on the version of Windows that it is run on. This guide run under quite a few different names, which I have listed below based upon the version of Windows: