Ukrainian national Mark Sokolovsky has pleaded guilty in a US court for operating the Raccoon Infostealer.Sokolovsky was charged with computer fraud for infecting millions of computers with the Raccoon Infostealer.The Raccoon Infostealer is a malware-as-a-service (MaaS) that steals sensitive data such as credit card information and email credentials.Authorities dismantled the Raccoon Infostealer's infrastructure, but it has resurfaced since then.