Probably untrue, and there’s no real way to verify that it’s a Gox address, but it’s a trending story so might as well post.
Good catch, worried me a lot, turns out to be bitstamp. We refunded a load of those a they are not MSAFE compatible. We were doing refunds to allow people to buy in from another wallet. IT seems to be a debunked mtgox story again http://www.reddit.com/r/Bitcoin/comments/23ul49/found_encrypted_bitcoin_wallet_on_hdd_bought_at/
It points to an interesting philosophical question on the fungibility of digital currencies, but I think it’s a question the community will have to tackle in the future.