Igor Dekhtyarchuk allegedly ran the cybercrime forum Marketplace A, which specialized in stolen credit card data and website logins.

With the takedown of the Sky Fraud forum and other cybercrime sites, Russia is continuing a sweep that began earlier this year against groups known as REvil and Infraud Organization.

The incident underscores how scammers target chokepoints for sensitive data — and how they continue to turn to Joker’s Stash to try to sell it off.

Valerian Chiochiu, a 30-year-old Moldovan, allegedly wrote malware for the group.

Sergey Medvedev is accused of being one of the leaders of the Infraud Organization, which trafficked in stolen financial data and in malware.

Mikhail Rytikov can't leave his home country of because he would risk becoming the latest Eastern European snatched up by Western law enforcement. He vehemently maintains his innocence.