Zlob

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

%SYSTEM%\elmnplw.dll

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\SharedTaskScheduler]
"{341bd909-3367-4307-b37d-fb1cc56387ad}"="cacara"

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

SmitfraudFix removes the infection.