A criminal ring with ties to Russia is using modern cybercrime techniques to run a multi-million-dollar counterfeit-check operation. The crime ring, dubbed “BigBoss” after the name found on a directory server used as part of the massive check-fraud operation, was discovered by researchers from SecureWorks last April. Each week an average of about 20 of these “money mules” were sent paper checks through overnight delivery to deposit in their accounts and forward the money on to bank accounts in Russia through wire transfers.”]
Source: https://www.csoonline.com/article/2125659/massive-check-fraud-botnet-operation-tied-to-russia.html