noblecorp.net
yurei listed this organization on its leak site on Sep 9, 2025.
- Listing date
- Sep 9, 2025
- Attack date
- Sep 9, 2025
Listing text
Noble Corporation is a leading industrial insulation and materials supply company based in India, renowned for its expertise, innovation, and dedication to quality. Established in 1935, the company has steadily expanded its presence across the country, earning a strong reputation as one of the most trusted providers of insulation solutions for commercial, industrial, and infrastructure projects. From thermal and acoustic insulation to complex industrial pipe and equipment solutions, Noble Corp has become a household name among India’s manufacturing, construction, and energy sectors.
About the group
yurei posted its first listing on Sep 5, 2025 and has listed 3 organizations to date.
Yurei is a ransomware group first observed in September 2025 whose payload is a minimally modified fork of the open-source Prince-Ransomware, using ChaCha20 encryption and propagating across SMB shares, primarily targeting food manufacturing, transportation, and IT sectors in Sri Lanka and Nigeria.
Learning center
What does this listing mean?
Ransomware groups move data out of the organization before encrypting systems and threaten to publish it if the ransom is not paid. This method is called double extortion.
The listing shows that the group claims to have targeted the organization. Whether the data was published is shown by the later status of the listing.
What should you do if your organization is listed on a leak site?
- Record the listing and any published sample files; do not visit the leak site from the corporate network.
- Isolate affected systems and preserve logs without deleting them.
- Determine which data left the organization; if personal data is involved, review notification obligations with your legal team.
- Make any decision about the ransom demand together with legal, management and incident response.
- Do not bring systems back online before the attacker’s entry point is closed.
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