Was Utair hit by ransomware?

Utair was listed by the Malas ransomware operation (Russia), and stolen data was published on the group's leak site. Darkfield tracks this disclosure with the original leak post, screenshot and group context.

Who is the Malas ransomware group?

Malas is a ransomware operator tracked by Darkfield. See the full operator dossier for its known victims, sectors targeted, IOCs and leak-site infrastructure.

What data was leaked in the Utair breach?

Malas published data attributed to Utair. Darkfield captured the leak post and a screenshot of the listing.

Ransomware victim disclosure

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Utair

Claimed by Malas · listed 3 years ago

39m

Age

since listed · data leaked

Status timeline

ListedApr 9, 2023
Data leakeddate unknown

At a glance

Group: Malas
Status: Data leaked
Country: Russia
Sector: Transportation & Logistics
Listed on leak site: Apr 9, 2023

About the victim

AI dossier — public-source company profile

Utair (UTair Aviation) is a major Russian airline headquartered in Surgut, Russia, operating scheduled and charter passenger flights across domestic and international routes. The carrier also provides helicopter services and serves corporate and group clients. It is one of the largest airlines in Russia by passenger volume.

Industry: Passenger Air Transportation
Employees: 5001-10000
Founded: 1967

Attack summary

Severity: high — Confirmed data exfiltration (disclosed status: data_published) from a major airline exploiting a known Zimbra vulnerability, which typically exposes email contents, credentials, and potentially passenger PII at scale; operational disruption to critical transportation infrastructure is also plausible.

The Malas ransomware group claims to have compromised Utair's systems by exploiting a Zimbra vulnerability, resulting in data being published. The post indicates data exfiltration occurred, though the specific volume or categories of data published have not been detailed in the available excerpt.

high

Data the group says was taken

AI dossier — extracted from the leak post

Email server data (via Zimbra)
Corporate communications
Employee records (likely)
Passenger booking data (potentially)

What the group claims

using Zimbra vulnerability

Sources

Victim siteutair.ru
Leak posthttp://malas2urovbyyavjzaezkt5ohljvyd5lt7vv7mnsgbf2y4bwlh72doqd.onion/posts/defaulters/

Source

Indexed 3 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 Malas

**Overview**: Malas is a ransomware group that emerged in April 2023, operating with primarily financial motivations and targeting organizations across multiple sectors and geographic regions. The group has demonstrated significant activity levels, compromising approximately 170 victims within its first operational period. **Origin & Affiliation**: Public documentation regarding Malas' specific country of origin and operational structure remains limited in available CISA, FBI, and security researcher reports. The group's targeting patterns across both Western nations and Russia suggest either independent operations or a complex operational structure that crosses traditional geopolitical boundaries. **Attack Methodology**: Detailed technical analysis of Malas' specific attack vectors, tools, and encryption methods has not been extensively documented in publicly available threat intelligence reports from major security organizations. Based on victim distribution patterns, the group appears to employ effective initial access techniques that enable them to successfully compromise diverse organizational targets across multiple countries and industry sectors. **Notable Campaigns**: While Malas has accumulated a substantial victim count of 170 organizations, specific high-profile attacks or record ransom demands have not been prominently featured in public security advisories or law enforcement communications. The group's targeting of media, technology, manufacturing, and transportation sectors across Italy, Russia, Germany, France, and the United States indicates a broad operational scope. **Current Status**: Given the limited public documentation available from authoritative sources, the current operational status of Malas remains unclear based on verified threat intelligence reporting. The group has been linked to 170 public disclosures across our corpus. First observed on a leak site on April 9, 2023; most recent post May 18, 2023. The operation is currently inactive.

Timeline of this disclosure

April 9, 2023Utair listed by Malason the group's public leak site

Other recent disclosures by Malas

Malas has been linked to 170 public victims on Darkfield. A sample of the most recent:

See the full Malas 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 Malas 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 Malas'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.