Kittykatkrew Ransomware
TrackedThreat actor group tracked in the global ransomware database · Last disclosure: Feb 25, 2026
ThreatAI Analysis
Compiled from the ransomware.live profile for Kittykatkrew and from this database. Figures and technique mappings are quoted from the source data, not inferred.
Who Kittykatkrew is
KittyKatKrew is a newly emerged ransomware group first identified in early 2026, using both direct and double-extortion methods against US targets including the Arkansas State Crime Laboratory, operating under the alias KKK with Telegram and X/Twitter communication channels.
Recorded activity
Disclosures attributed to Kittykatkrew in this database run from February 2026 to February 2026, totalling 2 victims — 0% of everything tracked here. Kittykatkrew has listed victims in 1 countries in this database, most often United States. The sectors appearing most in its listings are Financial Services.
YARA detection rules
kittykatkrew.yar
/*
kittykatkrew ransomware
*/
rule kittykatkrew_Ransomnote
{
meta:
author = "ransomware.live"
family = "ransomware.kittykatkrew"
description = "Detects kittykatkrew ransomware ransom note or artifact"
date = "2026-05-04"
severity = 7
score = 70
strings:
$name1 = "kittykatkrew" ascii nocase
$name2 = "KITTYKATKREW" ascii
$onion = "kittykatkrew.onion" ascii nocase
condition:
any of them
}Community-contributed rules for Kittykatkrew, 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
Kittykatkrew is a ransomware threat group that has disclosed 2 victims in publicly accessible leak site data, representing 0% of all ransomware attacks tracked in this database. The earliest victim disclosure attributed to Kittykatkrew in our dataset dates to February 2026.
Geographically, Kittykatkrew has targeted organisations in 1 countries. The most frequently targeted nation is United States with 1 victim organisations.
Industry-wise, Kittykatkrew shows a concentration in the Financial Services sector. These industries are frequently targeted because they manage sensitive data, critical operations, or have lower tolerance for operational downtime — conditions that increase ransom payment likelihood.
Like most modern ransomware operations, Kittykatkrew likely employs a double extortion model: encrypting victim files while simultaneously exfiltrating data, creating dual pressure to pay the ransom. Victim organisations that refuse payment face having their data published on the group's dark web leak site.
Note: This profile is generated from public leak site disclosures aggregated via the ransomware.live API. Data is updated automatically. The table below lists the 2 most recent of the 2 disclosures we hold for this group; use the link beneath it to page through all of them.
Recent Victim Disclosures (showing 2 of 2)
| # | Organization | Country | Sector | Date |
|---|---|---|---|---|
| 1 | Tricolor Holdings tricolor.com | 🇺🇸 United States | Financial Services | Feb 25, 2026 |
| 2 | test | — | — | Feb 23, 2026 |
Frequently Asked Questions
What is Kittykatkrew ransomware?
Kittykatkrew is a ransomware threat group that has claimed 2 victims since its first known activity in February 2026. 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 Kittykatkrew attacked?
Kittykatkrew has claimed 2 victims in our database, representing 0% of all tracked ransomware attacks. The most targeted countries are United States.
Which countries does Kittykatkrew target?
Kittykatkrew has attacked organizations in 1 countries. The top targeted countries are: United States.
Which industries does Kittykatkrew target?
Kittykatkrew most frequently targets the Financial Services sectors based on victim disclosures in our database.
Is Kittykatkrew still active?
Kittykatkrew's most recent victim disclosure in our database was on February 25, 2026. Ransomware groups frequently rebrand or go dormant; monitor this page and our ransomware map for the latest activity.