Our researchers at TrendLabs have discovered a new set of rogue antivirus software circulating in the wild. Based on initial analysis, these threats arrive mainly via spammed email messages that contain a link to a bogus celebrity video scandal, although we have also received reports that the said link is also circulating in instant messaging applications and private messages in social networking Web sites.

Once the said URL link is clicked, the Web threat infection chain begins and ultimately leads to the downloading of a Trojan detected by Trend Micro as TROJ_FAKEAV.CX, a rogue antivirus that displays very convincing (and for some, alarming) messages,...