Kabushiki Gaisha Hodozuka Setsubi

Kabushiki Gaisha Hodozuka Setsubi was compromised in a ransomware attack attributed to payload in May 2026. The organization, operating in the Manufacturing sector in Japan, was added to the group's data leak site as part of an extortion campaign.

payload 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.

hs1992.jp is the official website of Kabushiki Gaisha Hodozuka Setsubi, a Japanese company specializing in the design, installation, and maintenance of building utility systems. The enterprise operates in the field of construction and engineering, focusing on water supply, drainage, air conditioning, and heating systems.