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us.proterial.com

Ransomware group metaencryptor hits Proterial America, Ltd.

MEDIUM
·Manufacturing·US·2026-11-07

Proterial America, Ltd. — a manufacturing target operating in US has been listed by the metaencryptor ransomware group on 2026-11-07. The information below reflects what the threat actor has publicly claimed on their leak site; the details have not been independently verified.

Incident Report

Target OrganizationProterial America, Ltd.
Threat Group
metaencryptor
SummaryProterial America, Ltd., a manufacturing organization in the United States, was listed by the metaencryptor ransomware group on its leak site on 2026-11-07.
Date of Breach2026-11-07
Discovery Date2026-11-07
RegionUS
Target Domainus.proterial.com
Business SectorManufacturing
Severity
MEDIUM

Claim by metaencryptor

Proterial, Ltd., headquartered in Tokyo, Japan, with consolidated revenue totaled about 881 billion yen ($8.3 billion) in fiscal 2019 (ended March 31, 2020), is one of the major member companies of the Proterial Group. Proterial America manufactures and markets a diverse portfolio of high-grade metal products and materials, magnetic materials and applications, high-grade functional components and equipment, wires, cables and related products. Data size: —

Posted by the metaencryptor threat actor on its public leak site. This is the group's own statement and has not been independently verified by HackerFeeds.

Sources

Victim website

us.proterial.com

Leak post (onion / Tor)

tor

https://metacrpttdfpbm4qoxzcrqqgr6e6zafpazgxm72knmujw2mwvi34rwad.onion/0AFC:6c7710a402967c3cf74dc0a8c76d0f60/0AFC:d81d05f04d7c12c456d2da8d535c7c8f28ad0d976fc49dce14e362e9457f69818df6c9564b99c6f5252b41bb50382d23

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