Zlob

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

%SYSTEM%\teoga.dll

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\SharedTaskScheduler]
"{2f199d0e-f3e7-41a7-a060-816c24cceea0}"="emaa"

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

SmitfraudFix removes the infection.