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The Original APT: Advanced Persistent Teenagers

Krebs on Security

Many organizations are already struggling to combat cybersecurity threats from ransomware purveyors and state-sponsored hacking groups, both of which tend to take days or weeks to pivot from an opportunistic malware infection to a full blown data breach. Many employees passed the messages onto the security team and went back to business.

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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 2019, the share of users targeted with ransomware among the overall number of users that encountered malware was 3.31%; this declined slightly in 2020 to 2.67%. The share of ransomware detections among the overall number of malware detections was 1.49% in 2019 and 1.08% in 2020.

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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.