arcusmedia
Known ransomware group Dormant / low-volume
Arcus Media is a ransomware-as-a-service group that emerged in May 2024, employing double extortion with ChaCha20 + RSA-2048 encryption and recruiting affiliates via a referral-based vetting process, claiming 50+ victims across manufacturing, healthcare, retail, and business services globally.
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Total Claims
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Critical
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Records Claimed
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Industries Hit
Active span: Sep 19, 2026 – Sep 19, 2026 · 1 organizations targeted
Dormant / low-volume
Actor Threat Profile
Activity Timeline
Peak: Sep 2026 (1)Sep 2026
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Sep 2026Share this profile
Top Targeted Industries
Technology 1
Tradecraft & Infrastructure
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Documented tools
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MITRE tactics / techniques
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Known leak sites