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Operator dossier

nozelesn is a ransomware operator no longer publishing new disclosures. Darkfield has indexed 1 public victims claimed by this operator between December 17, 2018. **Nozelesn** is an obscure ransomware group that first emerged in December 2018 with apparent financial motivations, though limited public documentation exists about their operations. The group's origin and affiliations remain largely unknown, with no confirmed country of origin or established links to other ransomware families documented by major security firms or law enforcement agencies. Their attack methodology and technical capabilities are not well-documented in public threat intelligence reports, with no detailed analysis available from CISA, FBI, or prominent security researchers regarding their initial access vectors, encryption methods, or whether they employ data exfiltration tactics. Based on available data, the group has targeted at least one victim in the United States government facilities sector, though no major high-profile campaigns or significant ransoms have been publicly reported by security researchers. The current operational status of nozelesn remains unclear due to the limited intelligence available about this group's activities beyond their initial emergence period.

Most-targeted sectors

Most-affected countries

Recent disclosures by nozelesn

All 1 indexed disclosures. Click any row for the full per-victim dossier.

See every disclosure indexed for nozelesn

How we know this. Operator profiles on Darkfield are built from continuous monitoring of every leak site the group is known to operate, cross-correlated with community-curated feeds (RansomLook, ransomware.live, RansomWatch, MISP-galaxy). Status flips from active to inactive when no new disclosure appears for 60 days. MITRE ATT&CK mappings shown in the interactive section below are sourced from CISA, vendor analysis, and the MITRE community catalog — we attribute each technique back to its source. Aliases reflect operator re-brands and affiliate splits.

Inactive ransomware operator

All groups

nozelesn

1 victims indexed · first seen 8 years ago · last activity 8 years ago

1
Victims indexed
#318 of 364 tracked operators
<1m
Active period
Dec 2018 → Dec 2018
1
Countries hit
top US · 1

At a glance

Status
inactive
First seen
8 years ago
Last activity
8 years ago
Primary sector
Government Facilities · 1 hits

About

**Nozelesn** is an obscure ransomware group that first emerged in December 2018 with apparent financial motivations, though limited public documentation exists about their operations. The group's origin and affiliations remain largely unknown, with no confirmed country of origin or established links to other ransomware families documented by major security firms or law enforcement agencies. Their attack methodology and technical capabilities are not well-documented in public threat intelligence reports, with no detailed analysis available from CISA, FBI, or prominent security researchers regarding their initial access vectors, encryption methods, or whether they employ data exfiltration tactics. Based on available data, the group has targeted at least one victim in the United States government facilities sector, though no major high-profile campaigns or significant ransoms have been publicly reported by security researchers. The current operational status of nozelesn remains unclear due to the limited intelligence available about this group's activities beyond their initial emergence period.

Timeline

1 months
2018-12-01T00:00:00+00:00 · 1
2018-12-01T00:00:00+00:002018-12-01T00:00:00+00:00

Top countries

🇺🇸 United States
1

Top sectors

Government Facilities
1

MITRE ATT&CK

3 techniques · 3 tactics

Tactics

Initial AccessExecutionImpact

Techniques

  • T1566Phishing
  • T1059Command and Scripting Interpreter
  • T1486Data Encrypted for Impact

Recent victims

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Source

Updated 8 years ago

Data on this page is sourced from the group's own leak posts, cross-checked with public ransomware trackers (RansomLook, ransomware.live, RansomWatch), MITRE ATT&CK, and our own Tor and Telegram crawlers. This is a public observatory page — share freely.

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