Ransomware group profile · #276 by claimed victims
Hellogookie ransomware
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.
Victimology
Who Hellogookie claims to have breached, from 3 leak-site posts recorded by VULONE.
Claims per month last 12 months
Top sectors
Top countries
Latest claimed victims 3 most recent
| Victim | Sector | Country | Claimed |
|---|---|---|---|
| Hey everyone! Some private keys here. hey everyone! some private keys here. | Technology | — | 19 Apr 2024 |
| Hey cisco! cisco.com | Technology | US | 19 Apr 2024 |
| CD Projekt! cdprojektred.com | Technology | PL | 19 Apr 2024 |
All 3 Hellogookie victims, searchable
Full victim list with claim posts, domains, timing and exports, plus the negotiation chats and leak-site screenshots VULONE archives for this crew.
Tactics, techniques and procedures
ATT&CK technique mapping for Hellogookie is in progress. Victimology, infrastructure status and leak-site tracking are live above.
Indicators, detections and the full playbook
Hashes, C2 addresses, onion services, Sigma and YARA detections per technique, and the negotiation transcripts are available to signed-in analysts.
Frequently asked
Is Hellogookie ransomware still active?
How many victims has Hellogookie claimed?
Which industries does Hellogookie target?
Which countries are most affected by Hellogookie?
Where does VULONE get Hellogookie victim data?
Other ransomware groups
Victim claims are collected from leak sites and enrichment partners (ransomware.live, RansomLook) and represent the group's own assertions, not confirmed breaches. Profile last updated 16 September 2026. Questions or corrections: [email protected].