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Evolution of JSWorm ransomware

SecureList

The original version of the malware, as well as some of the subsequent “rebrandings”, e.g., Nemty, were advertised on an underground forum by a poster with the username jsworm. We will describe some notable variants of the JSWorm family encountered during the history of this malware. Technical details. May 2019: JSWorm.

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Ransomware world in 2021: who, how and why

SecureList

Well-known malware families are involved in the biggest and most wide-reaching campaigns. Hackers who are on the lookout for publicly disclosed vulnerabilities (1-days) in internet facing software, such as VPN appliances or email gateways. According to our research , this malware affected almost 20 business sectors.