The Raspberry Robin worm is becoming an access-as-a-service malware for deploying other payloads, including IcedID, Bumblebee, TrueBot (aka Silence), and Clop ransomware.
It is “part of a complex and interconnected malware ecosystem, with links to other malware families and alternate infection methods beyond its original USB drive spread,” the Microsoft Security Threat Intelligence Center (MSTIC