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Ransomware group profile ยท #23 by claimed victims

Rhysida ransomware

Rhysida is a ransomware-as-a-service (RAAS) group that emerged in May 2023. The group utilizes a namesake ransomware through phishing attacks and Cobalt Strike to breach the targets' networks and deploy their payloads.<br> <br> The group threatens to publicly distribute exfiltrated data if the ransom is not paid, and it's worth mentioning that Rhysida is still in the early stages of development.<br> <br> The ransomware leaves PDF notes in the affected folders, instructing victims to contact the group through its portal, and payment is made via Bitcoin.<br> <br> After encryption, the ransomware appends the extension '.ryshida' to encrypted files.<BR>Source: https://github.com/crocodyli/ThreatActors-TTPs

Active First seen Jun 2023 .rhysida
313Victims claimed on leak sites
20Victims in the last 30 days
40Victims in the last 90 days
42Countries hit
5Leak-site URLs tracked, 2 online
31 Oct 2026Latest claim recorded

Victimology

Who Rhysida claims to have breached, from 313 leak-site posts recorded by VULONE.

Claims per month last 12 months

Dec 2025: 11DecJan 2026: 4Feb 2026: 6Mar 2026: 1MarApr 2026: 1May 2026: 3Jun 2026: 1JunJul 2026: 0Aug 2026: 8Sep 2026: 12SepOct 2026: 20Nov 2026: 0

Top sectors

Education59
Healthcare51
Professional Services47
Manufacturing33
Government & Defense33
Technology20
Retail & E-Commerce15
Transportation9

Top countries

United States133
Canada20
Germany13
United Kingdom10
Australia8
Italy8
Switzerland6
Brazil5

Latest claimed victims 12 most recent

VictimSectorCountryClaimed
Phoenix Charter Academy - - 31 Oct 2026
Cipsa Industrias Sa De Cv Manufacturing MX 30 Oct 2026
INTI International University & Colleges Education MY 30 Oct 2026
INTAX, Inc. intax, inc. Financial Services - 29 Oct 2026
ClaimTek Systems claimtek.com Financial Services - 29 Oct 2026
Noelker and Hull noelkerhull.com Professional Services US 28 Oct 2026
Broadstreet HEOR broadstreetheor.com Professional Services - 28 Oct 2026
Machelen (Belgium) machelen.be Not Found BE 27 Oct 2026
MISC Group Energy & Utilities MY 26 Oct 2026
Sanders Law Group Professional Services - 23 Oct 2026
Line2Line Coatings Manufacturing - 23 Oct 2026
DR.SCHNELL GmbH & Co. KGaA dr.schnell gmbh & co. kgaa Manufacturing DE 22 Oct 2026

All 313 Rhysida victims, searchable

Full victim list with claim posts, domains, timing and exports, plus the negotiation chats and leak-site screenshots VULONE archives for this crew.

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Tactics, techniques and procedures

ATT&CK technique mapping for Rhysida is in progress. Victimology, infrastructure status and leak-site tracking are live above.

Indicators, detections and the full playbook

Hashes, C2 addresses, onion services, Sigma and YARA detections per technique, and the negotiation transcripts are available to signed-in analysts.

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Frequently asked

Is Rhysida ransomware still active?
Rhysida is tracked as active. The most recent leak-site claim VULONE recorded is dated 31 October 2026. 20 victims were claimed in the last 30 days.
How many victims has Rhysida claimed?
VULONE has recorded 313 leak-site victim claims attributed to Rhysida since June 2023, across 42 countries and 14 sectors.
Which industries does Rhysida target?
The sectors most often named on the Rhysida leak site are Education, Healthcare, Professional Services.
Which countries are most affected by Rhysida?
Most Rhysida victims recorded by VULONE are located in United States, Canada, Germany.
Where does VULONE get Rhysida victim data?
Claims are collected continuously from the group's own leak sites and cross-checked with ransomware.live and RansomLook. A claim is the group's assertion, not a confirmed breach.

Other ransomware groups

Victim claims are collected from leak sites and enrichment partners (ransomware.live, RansomLook) and represent the group's own assertions, not confirmed breaches. Profile last updated 31 October 2026. Questions or corrections: research@vulone.com.