Babuk2 Ransomware
TrackedThreat actor group tracked in the global ransomware database ยท Last disclosure: Apr 23, 2025
ThreatAI Analysis
Compiled from the ransomware.live profile for Babuk2 and from this database. Figures and technique mappings are quoted from the source data, not inferred.
Babuk2, formerly known as Bjorka or SkyWave, has conducted ransomware attacks on 180 victims across 52 countries, targeting sectors like Public Sector, Technology, and Healthcare.
Who Babuk2 is
Babuk Locker 2.0, also known as Bjorka or SkyWave, after failing to make any profit from selling public databases on forums, decided to impersonate Babuk Ransomware group. He launched a blog where he claimed multiple public breaches from BreachForums as ransomware attacks
Recorded activity
Disclosures attributed to Babuk2 in this database run from January 2025 to April 2025, totalling 180 victims โ 0.8% of everything tracked here. Babuk2 has listed victims in 52 countries in this database, most often United States, followed by Brazil and India. The sectors appearing most in its listings are Public Sector, Technology, Healthcare.
YARA detection rules
babuk2.yar
/*
babuk2 ransomware
*/
rule babuk2_Ransomnote
{
meta:
author = "ransomware.live"
family = "ransomware.babuk2"
description = "Detects babuk2 ransomware ransom note or artifact"
date = "2026-05-04"
severity = 7
score = 70
strings:
$name1 = "babuk2" ascii nocase
$name2 = "BABUK2" ascii
$onion = "babuk2.onion" ascii nocase
condition:
any of them
}
Community-contributed rules for Babuk2, 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
Babuk2 is a ransomware threat group that has disclosed 180 victims in publicly accessible leak site data, representing 0.8% of all ransomware attacks tracked in this database. The earliest victim disclosure attributed to Babuk2 in our dataset dates to January 2025.
Geographically, Babuk2 has targeted organisations in 52 countries. The most frequently targeted nation is United States with 34 victim organisations. Other heavily targeted nations include Brazil, India, Indonesia.
Industry-wise, Babuk2 shows a concentration in the Public Sector, Technology, Healthcare sectors. These industries are frequently targeted because they manage sensitive data, critical operations, or have lower tolerance for operational downtime โ conditions that increase ransom payment likelihood.
Like most modern ransomware operations, Babuk2 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 100 most recent of the 180 disclosures we hold for this group; use the link beneath it to page through all of them.
Recent Victim Disclosures (showing 100 of 180)
Frequently Asked Questions
What is Babuk2 ransomware?
Babuk2 is a ransomware threat group that has claimed 180 victims since its first known activity in January 2025. 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 Babuk2 attacked?
Babuk2 has claimed 180 victims in our database, representing 0.8% of all tracked ransomware attacks. The most targeted countries are United States, Brazil, India, Indonesia.
Which countries does Babuk2 target?
Babuk2 has attacked organizations in 52 countries. The top targeted countries are: United States, Brazil, India, Indonesia.
Which industries does Babuk2 target?
Babuk2 most frequently targets the Public Sector, Technology, Healthcare sectors based on victim disclosures in our database.
Is Babuk2 still active?
Babuk2's most recent victim disclosure in our database was on April 23, 2025. Ransomware groups frequently rebrand or go dormant; monitor this page and our ransomware map for the latest activity.