Ransomware group profile · #110 by claimed victims

Nitrogen ransomware

Nitrogen began as a malware loader in 2023 used to deliver BlackCat/ALPHV ransomware, then evolved into a fully independent ransomware operator by mid-2024, operating its own strain derived from leaked Conti 2 builder code and conducting double-extortion attacks primarily linked to Eastern European infrastructure.

Active First seen Sep 2024

49Victims claimed on leak sites

1Victims in the last 30 days

1Victims in the last 90 days

9Countries hit

30Leak-site URLs tracked, 0 online

19 Oct 2026Latest claim recorded

Victimology

Who Nitrogen claims to have breached, from 49 leak-site posts recorded by VULONE.

Claims per month last 12 months

Top sectors

Professional Services14

Manufacturing14

Technology8

Retail & E-Commerce3

Hospitality3

Healthcare2

Energy & Utilities2

Education1

Top countries

United States35

Canada6

Portugal2

Taiwan1

Egypt1

France1

India1

Germany1

Latest claimed victims 12 most recent

Victim	Sector	Country	Claimed
Walbro walbro.com	Manufacturing	US	19 Oct 2026
Pyramid pyramidmg.com	Professional Services	US	3 Jun 2026
FOXCONN foxconn.com	Manufacturing	TW	11 May 2026
ENENSYS Technologies enensys.com	Technology	FR	19 Mar 2026
DeWalch Technologies, Inc dewalch.com	Technology	US	18 Feb 2026
PCCA pccarx.com	Healthcare	US	10 Feb 2026
LumioDental lumiodental.com	Healthcare	US	5 Feb 2026
QualiChem Metalworking qualichem.com	Manufacturing	US	27 Jan 2026
Connor Co connorco.com	Professional Services	US	27 Jan 2026
Durashiloh durashiloh.com	Manufacturing	US	19 Jan 2026
Whitfield Welding Inc whitfieldwelding.com	Manufacturing	CA	19 Jan 2026
Walters Group Inc waltersgroupinc.com	Manufacturing	US	16 Dec 2025

All 49 Nitrogen 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 Nitrogen 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 Nitrogen ransomware still active?

Nitrogen is tracked as active. The most recent leak-site claim VULONE recorded is dated 19 October 2026. 1 victims were claimed in the last 30 days.

How many victims has Nitrogen claimed?

VULONE has recorded 49 leak-site victim claims attributed to Nitrogen since September 2024, across 9 countries and 10 sectors.

Which industries does Nitrogen target?

The sectors most often named on the Nitrogen leak site are Professional Services, Manufacturing, Technology.

Which countries are most affected by Nitrogen?

Most Nitrogen victims recorded by VULONE are located in United States, Canada, Portugal.

Where does VULONE get Nitrogen 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.