Disclosure context

About BrainCipher

Braincipher is a recently emerged ransomware group that was first observed in July 2024, operating with apparent financial motivations and targeting organizations primarily across North America and Europe. The group's origin and potential affiliations remain largely undocumented by major threat intelligence organizations, though their targeting patterns suggest a broad opportunistic approach rather than nation-state backing, likely operating as an independent entity rather than through established ransomware-as-a-service infrastructure. Their attack methodology and specific technical capabilities have not been extensively documented by CISA, FBI, or major security research firms, though their victim distribution across 44 confirmed targets spanning business services, manufacturing, technology, and healthcare sectors indicates a generalist approach to target selection rather than sector-specific expertise. No major high-profile campaigns or significant law enforcement actions have been publicly documented against this group by reputable sources, suggesting either a relatively low-impact operational scale or insufficient intelligence collection on their activities. As of current reporting, the group's operational status remains unclear due to limited public documentation from established threat intelligence sources. The group has been linked to 56 public disclosures across our corpus. First observed on a leak site on July 1, 2024; most recent post May 13, 2026. The operation is currently active.

Also tracked as: brain cipher.

Timeline of this disclosure

May 1, 2026exceldor.ca listed by BrainCipheron the group's public leak site

Sector and geography

This disclosure adds to ransomware activity in the Agriculture and Food Production sector, which has 536 disclosures indexed across all operators we track. Geographically, exceldor.ca is reported in CA, a country with 278 ransomware disclosures in our corpus.

How we know this. Darkfield monitors public ransomware leak sites continuously, archiving every new disclosure and the data later released against the victim. Each entry on this page is sourced from the operator's own publication and cross-checked against complementary OSINT feeds (RansomLook, ransomware.live, RansomWatch). We do not collect or host stolen data — only the metadata, timestamps and screenshots needed to make the public disclosure searchable and accountable. Records here are corrected when the original post is edited, retracted, or merged with another disclosure.

Ransomware victim disclosure

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exceldor.ca

Claimed by BrainCipher · listed 20 days ago

19d

Age

since listed · data leaked

Status timeline

Listed
May 1, 2026
Data leaked

At a glance

Group: BrainCipher
Status: Data leaked
Country: CA
Sector: Agriculture and Food Production
Listed on leak site: May 1, 2026

About the victim

AI dossier — public-source company profile

Exceldor (exceldor.ca) is a Canadian poultry cooperative based in Quebec that produces and distributes chicken and turkey products under its consumer brand. The company sells fresh poultry products through retail grocery chains across multiple Canadian provinces. It also operates a food-service division and works with a network of poultry farmers.

Industry: Poultry Processing & Distribution
Address: Quebec, Canada (exact street address not stated on public site)
Employees: 501-1000

Attack summary

Severity: high — Over 1 TB of data has been published via 10 separate Tor download links, confirming large-scale exfiltration of business data. While the specific data types (e.g., PII, financial records) are not enumerated in the post, the volume and confirmed publication status represent significant business data exposure for a food-production cooperative.

BrainCipher claims to have exfiltrated more than 1 TB of data from Exceldor and has published download links to the alleged stolen data across multiple Tor-based mirrors, indicating full data publication rather than merely a ransom demand.

high

Data the group says was taken

AI dossier — extracted from the leak post

Exfiltrated corporate data (>1 TB)
Files available via multiple Tor onion download links

The group's post references roughly 10 proof files.

Original description

AI-summarised, not from the leak post

Exceldor is a Canadian agricultural cooperative specializing in poultry production and processing. headquartered in Quebec, Canada, the company produces and distributes chicken and turkey products under various brands. It operates processing facilities across Quebec and Ontario, supplying retail, foodservice, and industrial customers throughout Canada. Exceldor is one of the largest poultry cooperatives in the country, known for its focus on quality and sustainable farming practices.

The leak post

captured from the group's site

We have more 1TB of data. If you think you are here by mistake, please contact us at [email protected] 
⏳ 12d 8h 29m 41s remaining 
Download: 3fg2gfwrdks46drwvejpgpak5klrflclsjjo35dxtqfk3poeez6oezad.onion If you think you are here by mistake, please contact us at [email protected] 
Download: emdnfl2fv32jhssxcbxlo6dzg2at4d7qbw2md6inz63qzdfgyln5cwyd.onion If you think you are here by mistake, please contact us at [email protected] 
Download: a4vbe7yp4kluped6khuhpr5nmzshiimx2jt5j22ozriiq6ngsm3fcpyd.onion If you think you are here by mistake, please contact us at [email protected] 
Download: x3nb7qcygpem2j5xzstyzdtgzofzkwkx4eko3ug4r73i6uhcgvyffjyd.onion If you think you are here by mistake, please contact us at [email protected] 
Download: 3frnhzcnlkjnw5q3tm6elzizinm2k3bmrtf2xwqjzpcxzeqwn2tv6wyd.onion If you think you are here by mistake, please contact us at [email protected] 
Download: 6ft2dfh26wm3w44orpjcgviutvfp25ez2iyh5ego5egvfmifrws7vvqd.onion If you think you are here by mistake, please contact us at [email protected] 
Download: zijgmuqjzb6dc7pofxhtaiz36qqyg35lhutybmzaz6whzgei2casjgid.onion If you think…

Sources

Victim siteexceldor.ca
Leak posthttp://vkvsgl7lhipjirmz6j5ubp3w3bwvxgcdbpi3fsbqngfynetqtw4w5hyd.onion/n/exceldor

Source

Indexed 20 days ago

This page surfaces a public ransomware disclosure indexed by Darkfield. Original posts come from the operator's own leak site; we cross-check against ransomware.live, RansomLook and RansomWatch where applicable. Share this URL freely.