05-20-2011, 06:54 AM
Its called mac defender.
It will download after you click the fake pop-up, and it will run the installer telling you that you have a virus etc....
IT CANNOT INSTALL WITHOUT YOU ENTERING YOUR ADMIN PASSWORD.
DO NOT ENTER YOUR PASSWORD. Its harmless otherwise, just delete it.
http://arstechnica.com/apple/news/2011/0...umbers.ars