Cybercrime, the US target currency exchanges exploited by ransomware groups The first in the blacklist is Chatex, that facilitated financial transactions for malware actors. After… Cybercrime, the US target currency exchanges exploited by ransomware groups 10 November 2021 Francesco Bussoletti Cyber, Defence and Security The first in the blacklist is Chatex, that facilitated financial transactions for malware actors. After DarkSide, also REvil actors finish in the DoS reward program.