Board Thread:Talk to the Admins/@comment-26007895-20150115004143/@comment-10412586-20150116144912

Just tell GL to unban you, they will investigate your account and check to see if you cheated or not.

It's probably just the massive amount of cash you got(from real money) that triggered the ban, but if you DID cheat, your money is gone forever + a permaban on your account.