AnVi.FakeCog is a fake security application that is downloaded after the TDss Rootkit has infected a system. AnVi.FakeCog also spreads via Trojans that exploit a vulnerability in applications that use .pdf format files. On infiltrating a system, AnVi.FakeCog will claim to find malicious code on a compromised machine in order to coerce a victim into purchasing its supposed full version. The graphical user interface of AnVi.FakeCog uses the name "Antivirus" at the top of the page. Keep an eye out for this rogueware and avoid wasting your money is this useless application.