CRPx0 is a cybercrime operation that began by running a scam and has since pivoted to ransomware and cryptocurrency, according to an article by Graham Cluley on the Fortra blog.
The write-up characterises CRPx0's move as a transition from one kind of criminal activity to a 'fully-blown' ransomware and cryptocurrency business. The original scam is not described in the excerpt, nor are technical details of the ransomware.
What stands out is the group's evolution, which shows how cybercriminals can shift strategies over time. For defenders, tracking such changes may be as important as understanding any single attack.