Maybe the best you could hope for is freezing the funds on the blockchain but at least that would be good for the affected cryptos and perhaps the crypto community as a whole.
What you said would be possible just if someone files a court case but in this case it should be not difficult the get the ip of our gentleman MooC Tals from the admins of this forum
I think something like this is possible just by gathering all the people who were scammed by cryptiply to start some sort of class action
Contacted the guys which Cryptiply acccount on twitter has been following, want to see how this turns out