Video clips from YouTube might come booby-trapped with malware, security watchers warn.

A fake video file containing the Zlob Trojan has been planted on the video-sharing site. If selected, the Trojan bombards infected users with ads. It might also be used to upload other forms of malware onto compromised PCs.

http://www.theregister.co.uk/2007/06...tube_security/

Yet another reason to use Linux