Only Evenbalance knows exactly what each violation means, and they don't share that information.
Judging by the name, it's an illegal modification of the Videocard-driver to provide an edge over other players, but other then that, we can only guess.
As far as searching a specific name in the MBI goes, you can use our search function.
As a side note, our banlist is known as the MBI (Master Ban Index), not MBL. ;)