The file I downloaded the checksums do not match, did not know they were still in business. There is a time to walk away.
They show (SHA1: 516f03a020202b6d73f1700834c12c96210b26d3).
That's as a safe as a trojan at this point in time. If the admin is too sleepy to notice stuff of the sort who knows what else is awry.
Write them letter. Valve pays for finding hacks now. If something is to be made why not start over and help remove the hack permanently, get paid
and never see them again instead of let them terrorize other servers?