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Ransomware victim disclosure

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Shanghai Xuerong Biotechnology Co., Ltd.

listed as xuerong.com · Claimed by Krybit · listed 7 days ago

6d
Age
since listed · data leaked

Status timeline

  1. ListedJul 8, 2026
  2. Data leakeddate unknown

At a glance

Group
Krybit
Status
Data leaked
Country
China
Listed on leak site
Jul 8, 2026

About the victim

AI dossier — public-source company profile

Shanghai Xuerong Biotechnology Co., Ltd. is a publicly listed agricultural biotech company founded in 1995 and listed on the Shenzhen Stock Exchange (stock code: 300511) in 2016. The company specializes in cultivating and processing edible mushrooms including king oyster, shiitake, and enoki mushrooms, with multiple production facilities across China. It is designated as a national agricultural industrialization leading enterprise and strategic partner of China's aerospace program.

Industry
Agricultural Biotechnology & Edible Mushroom Production
Address
1487 Huifeng West Road, Fengxian District, Shanghai, China
Employees
1000+
Founded
1995

Attack summary

Severity: high — Confirmed data exfiltration from a publicly listed company with significant operations and regulated financial/employee data. The company's status as a major agricultural enterprise with government partnerships elevates sensitivity despite lack of specific proof file counts in the truncated post.

The Krybit ransomware group claims to have conducted an attack on Xuerong Biotechnology and published exfiltrated data. The post does not detail specific encryption claims or the scope of data compromised.

high

Data the group says was taken

AI dossier — extracted from the leak post
  • Corporate records
  • Financial data
  • Employee information
  • Business operations documents
  • Supply chain records

What the group claims

Shanghai Xuerong Biotechnology Co., Ltd. (上海雪榕生物科技股份有限公司), formerly known as Shanghai Gaoron...

Sources

Source

Indexed 7 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.

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Disclosure context

About krybit

Krybit is an emerging ransomware group that was first observed in April 2026, operating with apparent financial motivations based on their limited documented attacks against diverse sectors. The group's origin and affiliations remain unclear due to limited public intelligence, and it is unknown whether they operate as a Ransomware-as-a-Service model or as an independent entity. With only four known victims documented across geographically diverse regions including Mexico, Austria, Japan, and Botswana, the group appears to employ broad targeting rather than focused regional or sector-specific campaigns, though their attack methodology, encryption techniques, and data exfiltration practices have not been publicly documented by major security firms or law enforcement agencies. No notable high-profile campaigns or significant ransoms have been publicly reported, and no law enforcement actions against the group have been documented. Given the recent emergence of this group and extremely limited public reporting, Krybit's current operational status and capabilities remain largely unknown to the broader cybersecurity community. The group has been linked to 72 public disclosures across our corpus. First observed on a leak site on April 3, 2026; most recent post July 8, 2026. The operation is currently active.

Timeline of this disclosure

  • July 8, 2026xuerong.com listed by krybiton the group's public leak site

Sector and geography

This disclosure adds to ransomware activity in the Technology sector, which has 3,549 disclosures indexed across all operators we track. Geographically, xuerong.com is reported in China, a country with 41 ransomware disclosures in our corpus.

If your organisation is affected

A listing by krybit means xuerong.com appeared on a ransomware extortion site and data attributed to it has been published. If this is your organisation, or a supplier you depend on, the priority is to confirm the intrusion and contain it before the window to act closes.

  • Engage your incident-response team and preserve forensic evidence before remediating — do not wipe affected systems first.
  • Force a password reset and revoke active sessions for exposed accounts; rotate any credentials, API keys or certificates that may have been in the stolen data.
  • Assess regulatory notification duties (GDPR, NIS2, sector regulators) — many carry a 72-hour reporting clock from awareness.
  • Monitor for the data appearing on krybit's leak site and across paste and breach channels, and brief downstream partners who may be exposed through you.

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.