Experts at cyber security firm Cypher conducted a study on Portuguese domains during 2019 and concluded that Emotet and Ryuk were the most active threats. The study also concludes that a total of 377 Portuguese domains to spread different types of malware in the same period. Professional/companies (20.2%), personal (13.5%), retail (12.7%) and industry (11.9%) were less impacted. Ryuk Ransomware is difficult to stop and does not have known execution flaws at the present time.”]
Source: https://securityaffairs.co/wordpress/97080/malware/report-threat-emotet-ryuk.html