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UTair Aviation

listed as UtAir · Claimed by Arvinclub · listed 5 years ago

58m
Age
since listed · data leaked

Status timeline

  1. ListedSep 9, 2021
  2. Data leakeddate unknown

At a glance

Group
Arvinclub
Status
Data leaked
Country
Russia
Sector
Transportation & Logistics
Listed on leak site
Sep 9, 2021

About the victim

AI dossier — public-source company profile

UTair (ЮТэйр) is a major Russian airline headquartered in Surgut, Russia, offering scheduled domestic and international passenger flights as well as helicopter services. The carrier operates a significant fleet covering numerous destinations across Russia and internationally. It is one of the largest airlines in Russia by passenger volume.

Industry
Commercial Aviation & Helicopter Services
Employees
10000+
Founded
1991

Attack summary

Severity: high — UTair is a large commercial airline constituting critical transportation infrastructure; a confirmed data publication event by a ransomware group against such an operator warrants a high severity rating even absent detailed inventory, given the likely scope of passenger PII, operational data, and the critical-infrastructure nature of the target.

The Arvinclub ransomware group claims an attack against UTair with a disclosed data_published status, indicating that data has been published; however, no leak post content, ransom demand, or data volume details were captured to further characterise the nature or scope of the exfiltration or encryption.

high

Sources

Source

Indexed 5 years 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.

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Disclosure context

About Arvinclub

Arvinclub is a relatively obscure ransomware operation that emerged in September 2021, primarily motivated by financial gain through extortion activities targeting organizations across multiple sectors. The group's origin and affiliations remain largely undocumented in public threat intelligence reporting, with limited information available from major security vendors or law enforcement agencies regarding their operational structure or whether they operate as a Ransomware-as-a-Service model. Based on available attack data, Arvinclub has demonstrated a diverse geographical targeting approach, with documented victims spanning Colombia, Iran, the United Kingdom, India, and Russia, suggesting either opportunistic targeting or the use of automated attack vectors rather than region-specific campaigns. The group has shown a preference for targeting manufacturing organizations, food and agriculture companies, financial institutions, and educational entities, accumulating approximately 35 known victims since their emergence. Their specific attack methodologies, including initial access vectors, encryption techniques, and data exfiltration practices, have not been extensively documented in public threat intelligence reports from major security firms. No significant high-profile campaigns, major law enforcement disruptions, or notable ransomware demands have been publicly attributed to this group by CISA, FBI, or established security research organizations. The current operational status of Arvinclub remains unclear due to limited public reporting and threat intelligence coverage of this particular ransomware variant. The group has been linked to 35 public disclosures across our corpus. First observed on a leak site on September 9, 2021; most recent post October 15, 2023. The operation is currently inactive.

Also tracked as: Arvin Club.

Timeline of this disclosure

  • September 9, 2021UtAir listed by Arvinclubon the group's public leak site

Other recent disclosures by Arvinclub

Arvinclub has been linked to 35 public victims on Darkfield. A sample of the most recent:

See the full Arvinclub dossier →

Sector and geography

This disclosure adds to ransomware activity in the Transportation & Logistics sector, which has 180 disclosures indexed across all operators we track. Geographically, UtAir is reported in Russia, a country with 63 ransomware disclosures in our corpus.

If your organisation is affected

A listing by Arvinclub means UtAir appeared on a ransomware extortion site and data attributed to it has been published. If this is your organisation, or a supplier you depend on, the priority is to confirm the intrusion and contain it before the window to act closes.

  • Engage your incident-response team and preserve forensic evidence before remediating — do not wipe affected systems first.
  • Force a password reset and revoke active sessions for exposed accounts; rotate any credentials, API keys or certificates that may have been in the stolen data.
  • Assess regulatory notification duties (GDPR, NIS2, sector regulators) — many carry a 72-hour reporting clock from awareness.
  • Monitor for the data appearing on Arvinclub's leak site and across paste and breach channels, and brief downstream partners who may be exposed through you.

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.