If btt is your way to say bitcointalk, then you should send a message to mods about the problem, provide a signed message with a (very) old Bitcoin address that was posted here (usually at least 6-12 months ago) and you(r friend) may have a chance.

Just please don't waste people's time if you handed the password to the "hacker", especially as collateral for a loan.


PS. This thread may look better in Meta