Disclosure context

About Everest

Everest is a financially-motivated ransomware group that emerged in September 2021, operating with a focus on profit-driven extortion campaigns against organizations primarily in the United States and Europe. The group's country of origin and specific affiliations remain undocumented in public threat intelligence reporting, though their operational patterns suggest they likely operate as an independent entity rather than a formal ransomware-as-a-service model. Limited public documentation exists regarding Everest's specific attack methodologies, initial access vectors, or technical capabilities, though their victim profile indicates they employ standard ransomware tactics targeting a diverse range of sectors including healthcare, technology, business services, and manufacturing organizations. Since their emergence, Everest has claimed responsibility for attacks against 339 victims across multiple countries, with the United States, United Kingdom, Italy, Germany, and Spain representing their primary geographic targets, though no specific high-profile incidents or major ransoms have been publicly documented by law enforcement or major security firms. As of current reporting, Everest appears to remain an active threat actor, though the limited public intelligence available suggests they operate as a lower-tier ransomware group compared to more prominent and well-documented criminal organizations. The group has been linked to 360 public disclosures across our corpus. First observed on a leak site on September 9, 2021; most recent post May 7, 2026. The operation is currently active.

Timeline of this disclosure

March 15, 2026Evaluate a Norstella company listed by Evereston the group's public leak site

Sector and geography

This disclosure adds to ransomware activity in the Not Found sector, which has 4,859 disclosures indexed across all operators we track. Geographically, Evaluate a Norstella company is reported in Norway, a country with 11 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

← All victims

Evaluate (a Norstella company)

listed as Evaluate a Norstella company · Claimed by Everest · listed 2 months ago

Age

since listed · data leaked

Status timeline

Listed
Mar 15, 2026
Data leaked

At a glance

Group: Everest
Status: Data leaked
Country: Norway
Sector: Not Found
Listed on leak site: Mar 15, 2026

About the victim

AI dossier — public-source company profile

Evaluate is a life sciences market intelligence company and a subsidiary of Norstella, a group of data and analytics businesses serving the pharmaceutical and healthcare industries. Evaluate provides commercial data, forecasts, and analytics on the global pharmaceutical and medical device markets. Norstella is a US-headquartered organisation though Evaluate has historically had significant operations in the UK and internationally.

Industry: Healthcare Data & Market Intelligence

Attack summary

Severity: high — Evaluate handles sensitive pharmaceutical commercial data, forecasts, and potentially client business intelligence at scale. The 'data_published' status indicates confirmed exfiltration and publication, warranting a high severity rating even without explicit data inventory details from the truncated post.

The Everest ransomware group has listed Evaluate (a Norstella company) as a victim with a disclosed/data-published status, implying data exfiltration has occurred or data has been published; however, the leak post excerpt provides no specific detail on the nature or volume of the data claimed.

high

Original description

AI-summarised, not from the leak post

N/A

The leak post

captured from the group's site

© 2026, All rights reserved
Citizens Bank - Database Leaked 
Evaluate a Norstella company - Database Leaked 
Studio Marchi - Studio Professionale Associato - Database Leaked 
Super AI - Database Leaked 
Complete Aircraft Group - Database Leaked 
Umiles Group - Database Leaked 
K Subsea Group - Database Leaked 
Parque Eólico Toabré - Database Leaked 
PT Brantas Abipraya - Database Leaked 
Straight Line Logistics - Database Leaked 
First Priority Group - Database Leaked 
Hyundai Elevator - Database Leaked 
UD Trucks - Database Leaked 
McDonalds India - Database Leaked 
Tsunami Tsolutions - Database Leaked 
Atlas Air: MUSE INSECURE - Database Leaked 
Iron Mountain - Database Leaked 
Hosowaka Micron Group - Database Leaked 
Shinwa Co Ltd - Database Leaked 
SIGMA Processing Group - Database Leaked 
Acu Trans Solutions LLC - Database Leaked 
GIBSIN Engineers - Database Leaked 
ASRock Rack - Database Leaked 
Reeves Information Technology - Database Leaked 
WANCHI STEEL INDUSTRIAL - Database Leaked 
GC Accounting - Database Leaked 
National Money Mart Company - Database leaked 
Virginia Records - Database Leaked 
Morgan Records Management - Database leaked 
ELC Electroconsult SpA - Databas…

Sources

Leak posthttp://ransomocmou6mnbquqz44ewosbkjk3o5qjsl3orawojexfook2j7esad.onion/news/Evaluate_a_Norstella_company/

Source

Indexed 2 months 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.