Well first off, dont worry to much about it, its much of work do de-crypt Salted-md5 if you dont have the salt.
this can happend to any site.
i wouldnt even say the got hacked, The admin probebly got cought in a botnet(blackshades, Cybergate,
Captain Latency to the rescue.
Been drunk all weekend too or posting this via Freenet?