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Cyber Threat
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Ransomware group

Orca ransomware

5 victims listed on the Orca leak site across 5 countries. Most recent disclosure .

Victims
5
0% of all tracked
Countries
5
Most: China
Sectors
4
Most: Technology
First seen
Sep 2024
In this database

ThreatAI analysis

Compiled from the ransomware.live profile for Orca and from this database. Figures and technique mappings are quoted from the source data, not inferred.

Who Orca is

Orca is a ransomware group that emerged in September 2024, identified as a variant of the Zeppelin malware family, targeting organizations in manufacturing and logistics across Taiwan, Tunisia, Austria, and France, claiming to avoid hospitals, government institutions, and non-profits.

Recorded activity

Disclosures attributed to Orca in this database run from September 2024 to April 2026, totalling 5 victims — 0% of everything tracked here. Orca has listed victims in 5 countries in this database, most often China, followed by Colombia and Italy. The sectors appearing most in its listings are Technology, Agriculture and Food Production, Transportation/Logistics.

YARA detection rules

orca.yar 
/*
orca ransomware
*/

rule orca_Ransomnote
{
    meta:
        author = "ransomware.live"
        family = "ransomware.orca"
        description = "Detects orca ransomware ransom note or artifact"
        date = "2026-05-04"
        severity = 7
        score = 70

    strings:
        $name1 = "orca" ascii nocase
        $name2 = "ORCA" ascii
        $onion  = "orca.onion" ascii nocase

    condition:
        any of them
}

Community-contributed rules for Orca, reproduced as published. Test them against your own corpus before relying on them: rule quality and false-positive behaviour vary by author.

Threat actor analysis

Orca has disclosed 5 victims on its leak site, 0% of all ransomware listings tracked in this database. Its earliest disclosure here dates to September 2024.

The group has listed organisations in 5 countries, most often in China (1 victims), followed by Colombia, Italy, Austria.

By industry, its listings concentrate in Technology, Agriculture and Food Production, Transportation/Logistics — sectors that hold sensitive data or cannot tolerate long outages, both of which raise the pressure to pay.

Like most current ransomware operations, Orca is likely to use double extortion: data is stolen before files are encrypted, and organisations that refuse to pay are named on the leak site with the stolen data as leverage.

Generated from public leak-site disclosures aggregated via the ransomware.live API and updated automatically.

Orca victims 5

Organization Disclosed
Casale Del Giglio
ITItaly
Transport Lutztulln
ATAustria
Transtec SAS
COColombia
Chernan Technology
CNChina
ExcelPlast Tunisie
TNTunisia

Frequently asked questions

What is Orca ransomware?

Orca is a ransomware threat group that has claimed 5 victims since its first known activity in September 2024. The group operates by infiltrating target networks, exfiltrating data, encrypting files, and threatening to publish stolen data on a dark web leak site if the ransom is not paid.

How many victims has Orca attacked?

Orca has claimed 5 victims in our database, representing 0% of all tracked ransomware attacks. The most targeted countries are China, Colombia, Italy, Austria.

Which countries does Orca target?

Orca has attacked organizations in 5 countries. The top targeted countries are: China, Colombia, Italy, Austria.

Which industries does Orca target?

Orca most frequently targets the Technology, Agriculture and Food Production, Transportation/Logistics sectors based on victim disclosures in our database.

Is Orca still active?

Orca's most recent victim disclosure in our database was on April 27, 2026. Ransomware groups frequently rebrand or go dormant; monitor this page and our ransomware map for the latest activity.