Our team obtained many of the cryptocurrencies that were frozen on Cryptsy's servers when the exchange collapsed. The Heavycoin wallet.dat was among those recovered.
We are now in the process of giving these wallet files back to their respective communities. The wallet has not been inspected and it's unknown if it contains any coins. If you are a developer of this coin, or a longstanding community member, you can file a request for the wallet in this thread:
https://www.gldtalk.org/index.php?topic=3789.0Very nice of you.
Unfortunately there's no sign of the devs for years and the community slowly died off.
From what I know there's not even a working node anymore
Somehow the people have a tiny hope that someday in the future somebody will take over and revive this coin, but until then it's useless and worthless, unfortunately.
I do have a working wallet and blochckain data until 46 weeks ago, it should be enough to check if the wallet in question has any funds on it.
If it's of any help I can either send you the blockchain and wallet, either I can get and check that wallet.dat
UPDATE: I received the wallet.dat file, it contains 10.6M HVC (!). Thank you MicroGuy. I will put it away and keep it safe (what else could I do?)