Zlob

Zlob fake codec has been update. It drops the following file:

%SYSTEM%\pgfshvp.dll

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\SharedTaskScheduler]
"{50e9d039-fb50-4020-a841-1d226ae52b22}"="defroster"

It also installs Toolbar, BHO, Virus Response Lab 2009 software...

SmitfraudFix removes the infection.