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# Qilin Ransomware Claims Musashino University in Japan, Posts Sample Documents
- URL: https://darkwebinformer.com/qilin-ransomware-claims-musashino-university-in-japan-posts-sample-documents/
- Published: 2026-06-29T17:56:47.000Z
- Updated: 2026-06-29T17:56:47.000Z
- Author: Dark Web Informer
- Tags: Ransomware

Ransomware // Leak-site intercept 

RW-2026-0629-MUS Unverified 

OPERATION **QILIN** aka Agenda 

Active since 2022 · \~1000+ victims in 2025 · double extortion · suspected Russia-linked

Victim organization

## Musashino University

Assessment 

SeverityHigh

ConfidenceHigh

A university in Tokyo, Japan, listed on the **Qilin** (WikiLeaks2) ransomware leak site, where the actor has posted sample documents and claims to hold data stolen from the institution. Authenticity, volume, and scope are **unverified**.

00 Data published 

Listed **2026-06-29**Published **2026-06-29**

Telemetry

GroupQilin

Country![Japan flag](https://flagcdn.com/w40/jp.png)Japan

SectorEducation

Domainmusashino-u.ac.jp

Data volume*Undisclosed*

Samples15 images

Listed2026-06-29

Status*Published*

Auction listing

Auction listingOpen

Current price\-- BTC

**06**Days: **13**Hrs: **23**Min: **07**Sec 

Place bid

Preview

[ Redacted Open image ![Qilin ransomware leak-site listing for Musashino University, redacted](https://storage.ghost.io/c/6b/16/6b16ac9c-cd67-432f-b0f3-bbec941084ff/content/images/size/w1304/format/webp/2026/06/89723597826359876235987623598762358.png) ](https://storage.ghost.io/c/6b/16/6b16ac9c-cd67-432f-b0f3-bbec941084ff/content/images/size/w1304/format/webp/2026/06/89723597826359876235987623598762358.png) 

Assessment

Appearance on the Qilin leak site with sample documents posted indicates the actor has exfiltrated data and is exposing samples to pressure the institution under a double-extortion model. As a university, Musashino holds large volumes of personal data on students, applicants, and staff, along with financial and administrative records, and any authentic exposure would carry risks of identity theft, fraud, and lasting privacy harm. Qilin is among the most active ransomware operations and has repeatedly targeted education and healthcare. The posted samples appear to include financial and administrative documents, though their authenticity and full scope remain **unverified**. No data, samples, or actor contact channels are reproduced here. Musashino University has not publicly addressed the claim as of this post.

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[Dark Web Informer](https://darkwebinformer.com/)Threat Intelligence