What does "finding them" even means in this context? There are many hacker organizations located in Russia that are much worse than Anna's Archive. From my understanding those also operate websites / platforms to offer services.
Well clearly that’s false?
Not all crypto transactions are traceable for example. And since they haven’t found them, that seems to disprove your statement doesn’t it?
Same question though how are they paying for the domain, assuming this is on the plaintiff to trace