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Cyber Threat
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Ransomware group

Hellogookie ransomware

3 victims listed on the Hellogookie leak site across 2 countries. Most recent disclosure .

Victims
3
0% of all tracked
Countries
2
Most: United States
Sectors
1
Most: Technology
First seen
Apr 2024
In this database

ThreatAI analysis

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

Who Hellogookie is

HelloGookie is a rebrand of the HelloKitty ransomware group announced in April 2024, releasing previously stolen data from CD Projekt Red and Cisco; HelloKitty/HelloGookie has been active since 2020 with its highest-profile attack being the 2021 breach of CD Projekt Red.

Recorded activity

Disclosures attributed to Hellogookie in this database run from April 2024 to April 2024, totalling 3 victims — 0% of everything tracked here. Hellogookie has listed victims in 2 countries in this database, most often United States, followed by Poland. The sectors appearing most in its listings are Technology.

YARA detection rules

hellogookie.yar 
/*
hellogookie ransomware
*/

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

    strings:
        $name1 = "hellogookie" ascii nocase
        $name2 = "HELLOGOOKIE" ascii
        $onion  = "hellogookie.onion" ascii nocase

    condition:
        any of them
}

Community-contributed rules for Hellogookie, 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

Hellogookie has disclosed 3 victims on its leak site, 0% of all ransomware listings tracked in this database. Its earliest disclosure here dates to April 2024.

The group has listed organisations in 2 countries, most often in United States (1 victims), followed by Poland.

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

Like most current ransomware operations, Hellogookie 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.

Hellogookie victims 3

Organization Disclosed
CD Projekt!
PLPoland
Hey cisco!
USUnited States
Hey everyone! Some private keys here.

Frequently asked questions

What is Hellogookie ransomware?

Hellogookie is a ransomware threat group that has claimed 3 victims since its first known activity in April 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 Hellogookie attacked?

Hellogookie has claimed 3 victims in our database, representing 0% of all tracked ransomware attacks. The most targeted countries are United States, Poland.

Which countries does Hellogookie target?

Hellogookie has attacked organizations in 2 countries. The top targeted countries are: United States, Poland.

Which industries does Hellogookie target?

Hellogookie most frequently targets the Technology sectors based on victim disclosures in our database.

Is Hellogookie still active?

Hellogookie's most recent victim disclosure in our database was on April 19, 2024. Ransomware groups frequently rebrand or go dormant; monitor this page and our ransomware map for the latest activity.