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Ransomware world in 2021: who, how and why

SecureList

The largest share of victims fell into the category Engineering & Manufacturing (30%), followed by Finance (14%), Professional & Consumer Services (9%), Legal (7%), and IT & Telecommunications (7%). Set up offline backups that intruders cannot tamper with. Make sure you can quickly access them in an emergency.

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Evolution of JSWorm ransomware

SecureList

Besides file encryption, it performs actions such as stopping a number of running processes and services to maximize the number of files available for encryption. In addition, it deletes all system backups, shadow copies, disables the system recovery mode, and clears event logs. Cryptographic scheme. Conclusion.