I've been doing some research on these people and there seems to be one parent company responsible for everything (or almost): MarketEngines.com
affiliate sites: affiliationcash.com, cashengines.com, yottacash.com.
Here is a list of their consumer scam sites (not all of these are filesharing):

* AccessMp3Music.com
* easyipodmovies.com
* filesharingcenter.com
[*******accessmp3.com
* imusicaccess.com
* imusicnow.com
* ipodsexperts.com
* mp3-all-free.com
* mp3justfree.com
* mp3realmusic.com
* musicjustfree.com
* netfreemp3.com
* suprnova.com
* tv.org
* netspyprotector.com
* spywarewizard.com
* thenuker.com
* adwarepro.com
* avforce.com
* easy-antivirus.com
* easyofficepremium.com
* error-doctors.com
* fullsoftwaredownload.net
* myxptools.com
* powercompress.com
* messengercity.com
* movies-all-free.com
* netfreemovies.com
* netfreemovie.com
* tv-all-free.com
* netfreegames.com
* netgamesnow.com
* pspdownloadcenter.com
* ezdvdripper.com
* copy-dvdz.com
* ultrasurveys.com
* upsurvey.com
* defenza.com
* booksdownload.org
* burnstoredfat.com
* ********carfinder.com
* maxirex.com
* ultracarfinder.com