Russian-speaking cybercriminals behind TrickBot malware have developed a stealthy backdoor dubbed “PowerTrick”” The malware is designed to help TrickBot evade detection. It’s deployed as a module after the initial TrickBot infection has already taken hold on a victim computer. TrickBot was developed in 2016 as a banking malware to succeed the Dyre banking trojan
Source: the backdoor also calls other pieces of code