[RANSOMHOUSE] – Ransomware Victim: Kurogane Kasei Co[.]

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NOTE: No files or stolen information are exfiltrated, downloaded, taken, hosted, seen, reposted, or disclosed by RedPacket Security. Any legal issues relating to the content should be directed at the attackers, not RedPacket Security. This blog is an editorial notice informing that a company has fallen victim to a ransomware attack. RedPacket Security is not affiliated with any ransomware threat actors or groups and will not host infringing content. The information on this page is automated and redacted whilst being scraped directly from the RANSOMHOUSE Onion Dark Web Tor Blog page.

Ransomware group:
RANSOMHOUSE
Victim name:
KUROGANE KASEI CO[.]

AI Generated Summary of the Ransomware Leak Page

On October 10, 2025, a leak page published under the RansomHouse banner lists Kurogane Kasei Co. as a victim. The company is a manufacturing firm based in Japan. The entry provides a post date but does not specify a compromise date. It does not explicitly state whether the incident involved encryption or a data leak, and there is no ransom amount listed in the data. The visible body text shows “Loading… Status: Share Contact us,” which suggests the page content may be loading or incomplete. There are no screenshots or images present in the page data.

The leak page indicates the presence of a claim URL, though no actual URLs are visible in the provided data. There are no downloadable files or media associated with the post (no images, no downloads). Overall, the entry offers limited detail beyond the victim name and the post date; no explicit impact or ransom figures are documented in the supplied fields. The page bears the ©Ransomhouse branding, consistent with a ransomware leak post from that group.

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