Ransomware Group: DEVMAN

VICTIM NAME: China Harbour Engeneiring Company FILE SAMPLE 1 avaliable /CHEC/CHECsample[.]zip

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

AI Generated Summary of the Ransomware Leak Page

The ransomware leak page originates from a construction industry entity based in China. The attack was detected on April 24, 2025, indicating a recent compromise. The group responsible is identified as “devman.” The incident involved a significant data breach, with attackers encrypting all devices within the victim’s network and exfiltrating approximately 50 gigabytes of sensitive files. The estimated financial impact is noted to be around 450,000 USD. The leaked data potentially includes confidential information related to the company’s operations, though explicit details are not publicly disclosed. Evidence of data leaks is available, and the attackers have provided a downloadable sample archive, which suggests ongoing demands for ransom or awareness efforts by the threat actors.

The leak page includes technical details indicating a comprehensive encryption of the network’s devices. Screenshots or samples of internal documents, if available, show that attackers managed to access proprietary information. The disclosure underscores the threat posed to construction firms, especially those operating in China, emphasizing the need for enhanced cybersecurity measures. While specific PII or client information remains undisclosed to protect privacy, the incident highlights the severe impact such cyberattacks can have on operational continuity and sensitive data security within the construction sector.