Ransomware group profile · #92 by claimed victims

Insomnia ransomware

Insomnia is a data-theft and extortion group that emerged in October 2025, targeting primarily US-based healthcare organizations — stealing patient files and threatening public exposure rather than encrypting files — and avoiding former Soviet states, consistent with Russian-speaking cybercrime norms.

Active First seen Feb 2026

55Victims claimed on leak sites

13Victims in the last 30 days

19Victims in the last 90 days

4Countries hit

2Leak-site URLs tracked, 2 online

15 Sep 2026Latest claim recorded

Victimology

Who Insomnia claims to have breached, from 55 leak-site posts recorded by VULONE.

Claims per month last 12 months

Top sectors

Healthcare20

Professional Services13

Technology5

Manufacturing4

Hospitality2

Government & Defense1

Energy & Utilities1

Financial Services1

Top countries

United States49

Panama1

Singapore1

Brazil1

Latest claimed victims 12 most recent

Victim	Sector	Country	Claimed
Wiggins, Childs, Pantazis, Fisher, & Goldfarb LLC	—	—	15 Sep 2026
Wiggins, Childs, Pantazis, Fisher, & Goldfarb LLC wigginschilds.com	Professional Services	US	15 Sep 2026
Metropolitan Community Health Services	—	—	14 Sep 2026
Massey, Stotser & Nichols	—	—	14 Sep 2026
Metropolitan Community Health Services agapechc.org	Healthcare	US	14 Sep 2026
Massey, Stotser & Nichols msnattorneys.com	Professional Services	US	14 Sep 2026
NorthShore Health Centers northshorehealth.org	Healthcare	US	7 Sep 2026
Maglin, Miskiv & Associates	Professional Services	US	3 Sep 2026
N************* **************.com	Not Found	US	2 Sep 2026
Metro Tulsa Foot tulsafoot.com	Healthcare	US	31 Aug 2026
Aurora Health Management aurorahealthmgt.com	Healthcare	US	19 Aug 2026
********* *********.com	Not Found	US	19 Aug 2026

All 55 Insomnia 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.

Start free Sign in

Tactics, techniques and procedures

ATT&CK technique mapping for Insomnia 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 Insomnia ransomware still active?

Insomnia is tracked as active. The most recent leak-site claim VULONE recorded is dated 15 September 2026. 13 victims were claimed in the last 30 days.

How many victims has Insomnia claimed?

VULONE has recorded 55 leak-site victim claims attributed to Insomnia since February 2026, across 4 countries and 10 sectors.

Which industries does Insomnia target?

The sectors most often named on the Insomnia leak site are Healthcare, Professional Services, Technology.

Which countries are most affected by Insomnia?

Most Insomnia victims recorded by VULONE are located in United States, Panama, Singapore.

Where does VULONE get Insomnia 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].