Just want to share my experience for a week ago.my wallet was hacked by a poor hacker in my opinion because in my wallet not more than $200 and the hacker was hacked only $80 when eth for the gas transaction was run out.very so sad when we waiting for the best price and i will sell it but it was hacked
I feel sorry for you but the hacker is indeed poor because he hacked your wallet, even only $80 from it.
You need to use more secure wallet to protect your coins in the future.
If you are using MEW, i suggest you to using other wallet like jaxx or metamask.