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Qilin Ransomware Uses WSL to Deploy Linux Encryptors on Windows Systems

First seen 5 Nov 2025, 17:08 UTC

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ThreatCluster March 12, 2026 at 13:27 UTC

Qilin ransomware has been identified using Windows Subsystem for Linux (WSL) to execute Linux encryptors on Windows systems. This method allows attackers to bypass traditional Windows defenses by running ELF binaries, making detection more difficult. Organizations using Windows may be at risk of ransomware attacks leveraging this technique.

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