Newcomers include Pay2Key, RansomEXX and Everest, according to security firms that track cybercrime operators. Maze, Egregor, Conti, Sodinokibi/REvil, DoppelPaymer and NetWalker were responsible for 84% of all known attacks last year. Maze may have retired, but fresh gangs have dedicated data-leaking sites to extort victims. Some gangs are demanding one or more payments for a promise to delete stolen data or to refrain from selling it to other crime gangs.”]
Source: https://www.cuinfosecurity.com/ransomware-newcomers-include-pay2key-ransomexx-everest-a-15908