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Ransomware group profile · #218 by claimed victims

Qiulong ransomware

Qiulong is a ransomware group that emerged around April 2024 primarily targeting Brazilian organizations using double extortion and unique tactics such as publishing identity documents of victims' family members to pressure payment.

Active First seen Apr 2024
8Victims claimed on leak sites
0Victims in the last 30 days
0Victims in the last 90 days
2Countries hit
1Leak-site URLs tracked, 0 online
24 Jun 2024Latest claim recorded

Victimology

Who Qiulong claims to have breached, from 8 leak-site posts recorded by VULONE.

Claims per month last 12 months

Oct 2025: 0OctNov 2025: 0Dec 2025: 0Jan 2026: 0JanFeb 2026: 0Mar 2026: 0Apr 2026: 0AprMay 2026: 0Jun 2026: 0Jul 2026: 0JulAug 2026: 0Sep 2026: 0

Top sectors

Healthcare5
Professional Services3

Top countries

Brazil7
Canada1

Latest claimed victims 8 most recent

VictimSectorCountryClaimed
www.concisa.eng.br concisa.eng.br Professional Services BR 24 Jun 2024
www.indigoent.ca indigoent.ca Professional Services CA 30 May 2024
hospitalescultural.com.br hospitalescultural.com.br Healthcare BR 29 Apr 2024
hominemclinic.com.br hominemclinic.com.br Healthcare BR 25 Apr 2024
www.drwilliansegalin.com.br drwilliansegalin.com.br Healthcare BR 24 Apr 2024
draandrearechia.com.br draandrearechia.com.br Healthcare BR 23 Apr 2024
www.rosalvoautomoveis.com.br rosalvoautomoveis.com.br Professional Services BR 22 Apr 2024
www.drlincoln.com.br drlincoln.com.br Healthcare BR 22 Apr 2024

All 8 Qiulong 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 Qiulong 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.

See full IOCs

Frequently asked

Is Qiulong ransomware still active?
Qiulong is tracked as active. The most recent leak-site claim VULONE recorded is dated 24 June 2024.
How many victims has Qiulong claimed?
VULONE has recorded 8 leak-site victim claims attributed to Qiulong since April 2024, across 2 countries and 2 sectors.
Which industries does Qiulong target?
The sectors most often named on the Qiulong leak site are Healthcare, Professional Services.
Which countries are most affected by Qiulong?
Most Qiulong victims recorded by VULONE are located in Brazil, Canada.
Where does VULONE get Qiulong 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 16 September 2026. Questions or corrections: [email protected].