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Mespinoza is a ransomware operation known to have developed a Linux encryptor for use against enterprise virtualization environments, particularly VMware ESXi. Its tooling places it among the ransomware groups that expanded beyond Windows to target Linux-based hypervisors, enabling attackers to disrupt multiple virtual machines and servers through a single compromise. High-confidence reporting in this context supports Mespinoza's use of Linux ransomware capability, but does not provide corroborated detail on its operators, origin, victimology, extortion model, or broader intrusion tradecraft. The name is also associated in industry reporting with enterprise-focused ransomware activity.
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27 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Mentioned as a ransomware group that created a Linux encryptor.
Mentioned as another ransomware operation that created Linux encryptors targeting ESXi environments.
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Every observed MITRE ATT&CK technique, grouped by tactic.
Families this actor is known to deploy, with IOCs and behavior.
CVEs this actor has used in known campaigns.
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Domains, IPs, and hashes tied to this actor, refreshed continuously.