Disclosure context

About sinobi

Based on the limited publicly available information, Sinobi appears to be a recently emerged ransomware operation first observed in July 2025, with financial motivations evidenced by their targeting of 268 victims across multiple sectors. The group's origin and specific affiliations remain undocumented in public threat intelligence reporting, and there is no confirmed information regarding whether they operate as a Ransomware-as-a-Service model or as an independent entity. Their attack methodology and technical capabilities have not been extensively documented by major security research organizations, though their targeting patterns suggest a broad opportunistic approach rather than highly selective operations. The group demonstrates a preference for targeting organizations in the United States, India, United Kingdom, Canada, and Italy, with a focus on manufacturing, healthcare, construction, and technology sectors, suggesting they may exploit common vulnerabilities across these industries rather than deploying sophisticated, sector-specific attack vectors. No major high-profile campaigns or significant law enforcement actions against Sinobi have been publicly reported by CISA, FBI, or established threat intelligence firms. Given the recent emergence timeline and lack of extensive public documentation, the group's current operational status and long-term trajectory remain unclear, though the substantial victim count suggests continued activity as of the last available reporting period. The group has been linked to 274 public disclosures across our corpus. First observed on a leak site on July 5, 2025; most recent post May 8, 2026. The operation is currently active.

Timeline of this disclosure

May 8, 2026Neurotrials Research Inc listed by sinobion the group's public leak site

Sector and geography

This disclosure adds to ransomware activity in the Healthcare sector, which has 1,779 disclosures indexed across all operators we track. Geographically, Neurotrials Research Inc is reported in United States, a country with 7,392 ransomware disclosures in our corpus.

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.

Ransomware victim disclosure

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Neurotrials Research Inc

Claimed by sinobi · listed 12 days ago

12d

Age

since listed · data leaked

Status timeline

Listed
May 8, 2026
Data leaked

At a glance

Group: sinobi
Status: Data leaked
Country: United States
Sector: Healthcare
Listed on leak site: May 8, 2026

About the victim

AI dossier — public-source company profile

NeuroTrials Research Inc is an outpatient and inpatient clinical research facility located in Atlanta, Georgia, founded in 1997. The clinic operates a 12,000 square-foot facility that includes a 15-bed sleep lab and inpatient clinical research unit dedicated to the comfort and safety of trial participants. The organization has conducted more than 175 clinical trials involving over 2,500 volunteers across the Atlanta metro area.

Industry: Clinical Research & Neurology Trials
Address: Atlanta, Georgia, United States
Founded: 1997

Attack summary

Severity: critical — The victim is a clinical research facility that handles regulated health data (PHI/PII) on human trial participants. The disclosure status is 'data_published', indicating confirmed exfiltration and public release of data that almost certainly includes sensitive medical and personally identifiable information on research volunteers, triggering HIPAA and other regulatory concerns.

The ransomware group Sinobi has disclosed data from NeuroTrials Research Inc, with the status listed as 'data_published', indicating exfiltration and publication of data. The post does not explicitly detail what categories of data were taken or the volume, but the victim is a clinical research facility handling human subject trial data.

critical

Data the group says was taken

AI dossier — extracted from the leak post

Clinical trial records
Patient/volunteer personal data
Inpatient research unit records
Sleep lab study data

What the group claims

Founded in 1997, NeuroTrials Research is an outpatient and inpatient research facility located in Atlanta. The clinic occupies 12,000 square feet, including a 15-bed, state-of-the-art sleep lab and inpatient clinical research unit, which is designed specifically for the comfort and safety of subjects participating in its clinical trials. Today, NeuroTrials has conducted more than 175 clinical trials on over 2,500 volunteers throughout the Atlanta metro area.

Sources

Leak posthttp://sinobi23i75c3znmqqxxyuzqvhxnjsar7actgvc4nqeuhgcn5yvz3zqd.onion/leaks/69fa4cb08280ceeb9ae1ae05

Source

Indexed 12 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.