Rogue antivirus applications have been a serious threat to users for some time now, but the level of sophistication of these attacks has gone up several levels recently, as attackers have learned to copy exactly the GUI and virtually every feature of authentic AV programs.
An analysis of the recent threat by Dmitry
maya on
happened to me just this week, while on facebook. was a click away from accepting the "AV app" when I decided I should grab someone technically savvy before accepting anything, it was indeed a virus.