IE Defender/
Files Secure/
MalwareBell/
IE Antivirus Codec has been update, it installs a file with semi-random filename composed from fragment words: MEGAUP, MEGAUP, MEGAUP, ~1, LOAD, L
Possible filenames are: MEGAUP~1.dll, MEGAUPLOAD.dll, MEGAUPL.dll.
It displays alert messages with popups that download IE Antivirus:

Use
SmitfraudFix to remove the infection.