I was playing online Team Deathmach on Call Of Duty World at War, and someone 'modded' me and my game was patched. On the screen, it popped up with
Please enjoy this patch
and the next thing I knew my game was modded.
Now everytime I enter a match I get these for different class options which are all just my PSN name in various colors:
As you can see there are 4 modded class options. I don't like it and want to get rid of it. How can I reset my game or otherwise remove this mod?