Zlob fake codec has been update. It drops the following file:
%SYSTEM%\funfsnv.dll
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\SharedTaskScheduler]
"{99f8405b-63d1-421a-83bb-7b4b0642ac28}"="eulogical"
It also installs Toolbar, BHO, Antispycheck Rogue software...
SmitfraudFix removes the infection.