Disclosure context

About obscura

Obscura is a recently emerged ransomware group that was first observed in September 2025, operating with apparent financial motivations based on their targeting patterns across multiple sectors and geographic regions. The group has compromised at least 33 known victims since their emergence, demonstrating rapid operational capabilities despite their recent entry into the ransomware landscape. Limited public documentation exists regarding their country of origin, operational structure, or affiliations with established ransomware families, though their targeting pattern suggests either opportunistic attacks or access to diverse initial compromise vectors. Their victim profile spans multiple sectors including healthcare, technology, manufacturing, and construction, with geographic focus on the United States, Malaysia, Portugal, Egypt, and Denmark, indicating either broad targeting criteria or access to varied attack infrastructure across different regions. Due to the group's recent emergence and limited public reporting from major security vendors and law enforcement agencies, specific details regarding their technical capabilities, encryption methods, data exfiltration practices, or ransom demands remain undocumented in open-source intelligence. The group appears to remain active as of late 2025, though insufficient time has elapsed to determine their long-term operational sustainability or potential law enforcement attention. The group has been linked to 33 public disclosures across our corpus. First observed on a leak site on September 5, 2025; most recent post January 11, 2026. The operation is currently active.

Timeline of this disclosure

January 11, 2026Revoil listed by obscuraon the group's public leak site

Sector and geography

This disclosure adds to ransomware activity in the Energy sector, which has 374 disclosures indexed across all operators we track. Geographically, Revoil is reported in GR, a country with 3 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

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Revoil

Claimed by obscura · listed 4 months ago

Age

since listed · data leaked

Status timeline

Listed
Jan 11, 2026
Data leaked

At a glance

Group: obscura
Status: Data leaked
Country: GR
Sector: Energy
Listed on leak site: Jan 11, 2026

About the victim

AI dossier — public-source company profile

Revoil is a Greek fuel and lubricants company operating a network of more than 500 petrol stations across Greece. The company serves private consumers, commercial/industrial clients, maritime shipping, and heating oil customers, and also has renewable energy operations (wind and photovoltaic parks) through its Rev Energy subsidiary. Revoil is listed on the Athens Stock Exchange.

Industry: Fuel & Lubricant Distribution (Petrol Station Network)

Attack summary

Severity: high — Data has been published (not merely listed), indicating confirmed exfiltration. Revoil is a significant operator in Greece's fuel distribution and energy sector with 500+ stations, making any data breach of notable business and potentially regulatory significance, though the specific data types and scale are not detailed in the post.

The ransomware group Obscura claims to have attacked Revoil and has published data (disclosed status: data_published), though the leak post does not specify whether encryption, exfiltration, or both occurred, nor does it detail the volume or type of data involved.

high

What the group claims

Revoil trades fuels and lubricants through its network of petrol stations, which consists of more than 500 petrol stations across Greece.

Sources

Victim siterevoil.gr

Source

Indexed 4 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.