IE Defender/Files Secure/MalwareBell/IE Antivirus/Total Secure 2009 Codec has been update, it installs a file with semi-random filename composed from a dictionary:
ifs, go, n, p, du, fa
Possible filenames are:
ifsndu.dll, ifsnfa.dll, ifspdu.dll, ifspfa.dll, gondu.dll, gonfa.dll, gopdu.dll, gopfa.dll
It displays alert messages with popups that download Total Secure 2009:
It also drops Internet Shortcut on the desktop, Favorites, Start Menu: Cheap Pharmacy Online.url , Search Online.url and VIP Casino.url
Use SmitfraudFix to remove the infection.