I tried that out a while back it shows what messing with your computer. Its a new way they can get to your computer. This is the next step beyond spyware and virus's.
Sony records put a hack on their cd's that can infect your computer using the rootkit
here is a link to the article
If you bought one of the cds on the list you may want to run the program that Badpolarbear put the link up for.
Sony has a patch out I believe to fix that mess.