Surprise.exe

Just a quick heads up warning as it can arrive from a best friend

http://blog.emsisoft.com/2011/01/18/i-just-got-surprise-from-facebook/

And then people say UAC is bad...

Well UAC can be very annoying with it's incessant popups but of course presents a good payoff when you take into account users like the ones described. Honestly though you have to be pretty stupid to download random stuff from the internet as well as not look at your address bar once in a while.