Those PITA codec files are part of smitfraud. To date, they are:
eMedia Codec, HQ Codec, iCodecPack, iMediaCodec, IntCodec, iVideoCodec, Media-Codec, MediaCodec, MMediaCodec, MPCODEC, PCODEC, PowerCodec, SoftCodec, strCodec, TrueCodec, VidCodecs, VideoCompressionCodec, VideoKeyCodec, VideosCodec, WinMediaCodec, ZipCodec...
You may have gotten rid of it, but it wouldn't hurt to run SmitFraudFix because that will also fix the bad registry keys smitfraud causes
D/L it from:
http://siri.urz.free.fr/Fix/SmitfraudFix.zip
After you've unzipped it, reboot into Safe Mode - important because tool will
not work in Normal Mode!
Open the SmitfraudFix Folder, then double-click
smitfraudfix.cmd file to start the tool.
Select option
#2 - Clean by typing
2 and press
Enter.
Wait for the tool to complete and disk cleanup to finish.
You will be prompted : "
Registry cleaning - Do you want to clean the registry ?" answer
Yes by typing
Y and hit
Enter.
The tool will also check if wininet.dll is infected. If it is infected and a clean version is found, you will be prompted to replace the infected wininet.dll with the clean file. Answer
Yes to the question "
Replace infected file ?" by typing
Y and hit
Enter.
A reboot may be needed to finish the cleaning process, if you computer does not restart automatically please do it yourself manually.
Reboot in Safe Mode.
Run your anti-spyware app to get rid of malware files that smitfraud may have installed.