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Evolution of JSWorm ransomware

SecureList

Several versions were released as part of each “rebranded” variant that altered different aspects of the code, renamed file extensions, cryptographic schemes and encryption keys. We will describe some notable variants of the JSWorm family encountered during the history of this malware. Encryption flaws.

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Ransomware world in 2021: who, how and why

SecureList

To ensure that their ability to restore encrypted files would never be questioned, they cultivated an online presence, wrote press releases and generally made sure their name would be known to all potential victims. Well-known malware families are involved in the biggest and most wide-reaching campaigns. Access sellers.

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Ransomware by the numbers: Reassessing the threat’s global impact

SecureList

Was ransomware, in fact, a dying species of malware? In addition, attackers appear to be more focused on exfiltrating data as well as encrypting it, i.e., siphoning off confidential information and threatening to make it public if the victims refuse to pay. What was happening? This number declined to 33,502 in 2020.