Well I'd start by sweeping out whatever is left. Your ether address still has 5 ether left in it... Just following the transactions I can see that 125 ether we

Well I'd start by sweeping out whatever is left. Your ether address still has 5 ether left in it... Just following the transactions I can see that 125 ether were sent to Poloniex so I'd contact them to see if they can help you.