This guy is publishing advert on many forums.

https://rocketr.net/buy/8d2bbe7df183
https://hackforums.net/showthread.php?tid=5823549

This guy is selling stolen accounts on market forums. And he's banned from mc-market.

https://www.mc-market.org/threads/452813/
https://www.mc-market.org/threads/450357/

And others

https://www.mc-market.org/threads/304861/
https://hackforums.net/showthread.php?tid=5852619 OP's mail address irritator@riseup.net
https://hackforums.net/showthread.php?tid=5755553
https://hackforums.net/showthread.php?tid=5727599
https://hackforums.net/showthread.php?tid=5672107