Emotet is one of the most notorious email-based malware that offers several botnet-driven spam campaigns and ransomware attacks as a service. The cybersecurity experts have developed a vaccine, that is EmoCrash, against the malware. The security experts have warned users to stay safe as this notorious malware may occur anytime. The patch that the experts have created was created after several trial and error. It includes a flaw that enabled the cybersecurity researchers to initiate a killswitch and stop the malware from affecting the systems for six months.”]
Source: https://gbhackers.com/emocrash-researchers-exploited-a-bug-in-emotet-malware/