Webroot’s list of the nastiest malware of 2019 includes ransomware, phishing attacks, botnets, cryptomining, and cryptojacking. Emotet, Trickbot, and Ryuk are cited as “the most frightening ransomware triple threat,” according to researchers. Hidden Bee and Retadup are noted for creating cryptjacking havoc. Webroot’s selections are based on malware that delivered the greatest number of malicious payloads or caused the most damage to victims, researchers say.”]
Source: https://www.darkreading.com/attacks-breaches/who-made-the-list-of-2019-s-nastiest-malware-