RANSOMWARE VICTIMDUPLICATE CLAIM

Shinwa Co Ltd

everest📍 Japan (JP)📅 February 1, 2026
1
linked CVEs
8
same group

Attack Intelligence

Shinwa Co Ltd was compromised in a ransomware attack attributed to everest in February 2026. The organization, operating in an undisclosed sector in Japan, was added to the group's data leak site as part of an extortion campaign.

everest operates as a financially motivated ransomware-as-a-service (RaaS) operation, exfiltrating sensitive data and threatening public disclosure to pressure victims into paying ransom demands.

[AI generated] "Shinwa Co Ltd" is a Japan-based company primarily engaged in the civil engineering and construction business. The company's operations include disaster recovery work, civil engineering, and building construction. Its construction business involves the building of private homes, condominiums, and commercial facilities. Shinwa also partakes in real estate buying, selling, and rental activities. They are headquartered in Osaka, Japan.

Intelligence correlations link this incident to 1 vulnerability(ies) including CVE-2026-3300, which may have been leveraged as initial access vectors or for lateral movement.

Additional Details

Correlated Vulnerabilities (1)

Other Victims — everest (8)

Quick Facts

CountryJapan (JP)
Attack DateFeb 1, 2026
Intel Sourceransomware.live
StatusDUPLICATE CLAIM

Threat Group

everest
Motivation: financial
View group profile →

External Links

Data sourced from Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Victim listing does not imply confirmed breach — intelligence based on group claims.