I'm not saying these guys are stupid...BUT...buying over eight hundred servers with stolen credit cards wasn't the smartest thing to do.
Cisco's researchers thwarted the activity of a single group of cyber-criminals responsible for 50% of all deployments of ransomware via the Angler exploit kit. The group conducted operations on such a large scale that by the end of the year they would have potentially earned more than $34 million / €30 million.