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Yurei ransomware

Team Cymru Mapped the Yurei Ransomware Toolkit Before It Could Strike Yurei Ransomware Open-Source Malware

Yurei Ransomware Open-Source Malware

Team Cymru Mapped the Yurei Ransomware Toolkit Before It Could Strike

Do Son April 8, 2026

A new investigation by Team Cymru has detailed how the proactive collection of internet telemetry allowed researchers...

New Yurei Ransomware Emerges: Go-Based Threat Uses ChaCha20-Poly1305 for Irreversible Double Extortion Yurei Ransomware, GoLang ChaCha20

Yurei Ransomware, GoLang ChaCha20

New Yurei Ransomware Emerges: Go-Based Threat Uses ChaCha20-Poly1305 for Irreversible Double Extortion

Do Son November 17, 2025

Security researchers at AhnLab have identified Yurei, a newly emerging ransomware group first observed in early September...

New Yurei Ransomware Emerges: Go-Based Variant Uses Advanced Anti-Forensics for Irreversible Double Extortion Yurei Ransomware, Double Extortion

Yurei Ransomware, Double Extortion

New Yurei Ransomware Emerges: Go-Based Variant Uses Advanced Anti-Forensics for Irreversible Double Extortion

Do Son October 7, 2025

A new ransomware variant known as Yurei Ransomware has emerged, and according to researchers from CYFIRMA, it...

Yurei: The New Ransomware Group Using Open-Source Code to Target Businesses Yurei ransomware, open-source malware

Yurei ransomware, open-source malware

Yurei: The New Ransomware Group Using Open-Source Code to Target Businesses

Do Son September 16, 2025

Recently, researchers at Check Point Research (CPR) identified a new ransomware group calling itself Yurei—a name inspired...