Earlier today, I suddenly received an audio alert over my laptop speaker saying that I'd been infected by the Zeus Virus and needed to contact Microsoft right away. An 800 number was provided. The announcement cautioned me not to do a shutdown since my computer would be locked.
While the Zeus virus is real, I didn't have it. The announcement I received is a scam. I rebooted my computer and it was fine. If I had called the 800 number, they would have billed me $90 for "their assistance."
I'm mentioning this here because it happened when I visited DrudgeReport.com - which most of you probably read. I'd hate to see anyone here duped by it.
If I'd had my ad-blocker running, the alert would have been blocked.
BTW, while the fake Zeus message did no harm to my computer, it *did* lock my browser. I had to kill the browser and reboot, and I was concerned enough that I did a full scan afterward. The scan said my system was in fine shape.
More about ZEUS here: http://en.wikipedia.org/wiki/Zeus_(malware)
You'll noticed that the wikipedia article on Zeus states that scammers sometimes attempt to trick people into sending them money for help recovering from a non-existent infection:
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