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Inactive · #289 by victimsRansomware group

HelloGookie

As of Oct 19, 2026, HelloGookie has listed 3 confirmed victims on its leak site since Apr 19, 2024, 0.0% of all victims tracked by Brandefense. Its most targeted country is Poland (33.3% of its victims) and its most targeted sector is Media and Entertainment.

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.

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Confirmed Victims
3
Rank By Victims
#289
Last Leak-Site Post
Apr 19, 2024
Top Country
Poland
Top Sector
Media and Entertainment

Victims Posted Per Month.

HelloGookie confirmed victims per month
MonthConfirmed victims
April 20243
May 20240
June 20240
July 20240
August 20240
September 20240
October 20240
November 20240
December 20240
January 20250
February 20250
March 20250
April 20250
May 20250
June 20250
July 20250
August 20250
September 20250
October 20250
November 20250
December 20250
January 20260
February 20260
March 20260
April 20260
May 20260
June 20260
July 20260
August 20260
September 20260
October 2026 (month in progress)0
Updated continuously · figures as of Oct 19, 2026

Latest HelloGookie Victims.

Search all 3 →
Latest confirmed leak-site victims claimed by HelloGookie
VictimCountryIndustryData claimedPosted
Hey everyone! Some private keys here.UnknownUnknownNot stated
Hey cisco!
cisco.com
USUnited StatesTechnologyNot stated
Cd Projekt Red
cdprojektred.com
PLPolandMedia and EntertainmentNot stated

How They Operate.

HelloGookie's threat actor profile lists 1 malware and tools, with its targets and related actors.

TTPs, CVEs and malware →

Who HelloGookie Targets.

Sectors

  1. Media and Entertainment133.3%
  2. Technology133.3%

Countries

  1. PLPoland133.3%
  2. USUnited States133.3%
Shares are of this group's confirmed victims.

History.


  1. Busiest month on record: 3 confirmed victims

  2. First confirmed victim listed on its leak site

  3. Most recent leak-site post

  4. First seen in Brandefense data

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Figures as of Oct 19, 2026. Confirmed leak-site claims collected by Brandefense technologies and validated by Brandefense analysts.

Listed on a leak site means a ransomware group has claimed the company; it is not a confirmed breach. To request a correction or removal, contact Brandefense.