Just recently, Microsoft built in to its malware removal tool a lot of the fake AV's that have been infecting so many PC's. And now of course we find even more fake AV's seemingly going strong. Click here to read a posting from the Internet Storm Center. Seems that the way they are infecting PC's is through a very effective way of social engineering.
Play it smart, don't just randomly click on things, and patch your software applications like, Adobe, all your Microsoft applications, etc. I've written previous posts that talks about the Secunia Tool that helps you keep up to date.
Stay safe, and have a Happy New Year! Rock Chalk Jayhawk. Insight Bowl on December 31.