I'm pretty confident I could do it.
Yep. But OP doesn't want to download anything. And since I don't expect him to write his own software, he'll just keep opening a new topic every year.
No, I'm going to auction it off
If you get the file and the money starts moving, I expect 9 BTC
If they never move, I keep the bid
At this point, i only can say good luck finding people who could trust you and agree to such terms. There are too many fake wallet.dat file being sold on internet.