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MetaEncryptor, also styled Metaencryptor or metaencryptor, is a ransomware threat actor associated with publicly reported compromise claims against organizations across North America, Europe, and Asia. Its claimed targets include organizations in the United States, Japan, Canada, South Korea, Germany, Indonesia, and Singapore. These span healthcare providers, medical-device and pharmaceutical companies, technology and electronics manufacturers, automotive suppliers, steel producers, engineering and construction firms, professional-services businesses, energy-equipment manufacturers, and defense companies. Victim listings associated with the group appeared during August and September 2026. Named claimed targets include GE Vernova, Astemo, Flex, Hudson MD Group, Beckman Coulter, AECOM, Nippon Steel, EllisDon, Hologic, and ST Engineering. The group recorded nine compromise claims during September 21–27, 2026. These claims do not establish independently confirmed compromises. Technical details sufficient to characterize initial access, malware deployment, encryption, data exfiltration, or extortion methods are not established. Its geographic origin, organizational structure, and relationships with other threat actors are currently unknown.
Mallory correlates actor tradecraft and target patterns against your stack, your sector, and your geography. See overlap before they land.
Who, where, and (when attributed) which flag flies behind the operation. Pulled from open-source reporting and Mallory's analyst review.
Sectors the actor has been observed targeting.
Geographies tied to known operations.
24 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.
1 malware family attributed to this actor across reporting.
1 indicator attributed to this actor: domains, IPs, hashes, and other artifacts pulled from reporting. View more in app.
20 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Ransomware/extortion group claiming nine compromises during the reporting week.
Conducted a ransomware attack against Platinum Healthcare Staffing, a U.S. healthcare staffing agency.
Conducted a ransomware attack against PKF Hadiwinata, an Indonesian accounting and professional-services firm.
Conducted a ransomware attack against GE Vernova Inc., a U.S.-based energy equipment manufacturing and services company.
Match sector + geo + tech-stack targeting against your real footprint.
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.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Domains, IPs, and hashes tied to this actor, refreshed continuously.