Freeze the assets, you mainly need a court order for that.
First, you’d be amazed by their lack of foresight sometimes, second, given the huge amount of ADA on some scammer’s wallet, they’re clearly not clever enough to know how to properly launder. Sadly we will soon make it easier for them. And as Charles Hoskinson reminded in this video (posted by @Napoles ) sometimes they scam the “wrong people”. Ironically enough they’re sometimes the very same persons that could have helped them with laundering. Who knows when one of those will catch a Vory v zakone in his net ?
You’d have to ask them for the details, I do not know their procedure. But you have a list of already reported websites and YT channels on https://cfdb.atlassian.net/servicedesk/customer/portal/1
No reason to, it would be pathetic not to even try. You cannot win every fight but you never win a fight by giving up.