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Ransomware group

Abyss ransomware

62 victims listed on the Abyss leak site across 14 countries. Most recent disclosure .

Victims
62
0.3% of all tracked
Countries
14
Most: United States
Sectors
12
Most: Business Services
First seen
Jan 2024
In this database

ThreatAI analysis

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

Abyss, a ransomware operation derived from Babuk, targets networks across 14 countries causing damage to 62 victims in sectors like Business Services, Technology, and Healthcare.

Who Abyss is

Abyss (also known as Abyss Locker) is a ransomware operation first identified in March 2023, derived from the Babuk source code, that targets Windows and Linux/VMware ESXi systems using double-extortion tactics across healthcare, manufacturing, finance, and technology sectors — predominantly in North America.

Recorded activity

Disclosures attributed to Abyss in this database run from January 2024 to August 2026, totalling 62 victims — 0.3% of everything tracked here. Abyss has listed victims in 14 countries in this database, most often United States, followed by Canada and Germany. The sectors appearing most in its listings are Business Services, Technology, Healthcare.

YARA detection rules

abyss.yar
/*
abyss ransomware
*/

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

    strings:
        $name1 = "abyss" ascii nocase
        $name2 = "ABYSS" ascii
        $onion  = "abyss.onion" ascii nocase

    condition:
        any of them
}

Community-contributed rules for Abyss, 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

Abyss has disclosed 62 victims on its leak site, 0.3% of all ransomware listings tracked in this database. Its earliest disclosure here dates to January 2024.

The group has listed organisations in 14 countries, most often in United States (43 victims), followed by Canada, Germany, Hong Kong.

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

Like most current ransomware operations, Abyss 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.

Abyss victims 62

Organization Disclosed
MEMSIC
USUnited States
landkreis-limburg-weilburg.de
DEGermany
School Facility Consultants
technic.com
USUnited States
thinlinetech.com
USUnited States
sitoy.com
HKHong Kong
dillonyarn.com
USUnited States
optimumdesign.com
USUnited States
moinian.com
USUnited States
hptc.org
USUnited States
crownlaboratories.com
USUnited States
entandallergy.com
USUnited States
mdm-insurance.com
GBUnited Kingdom
ceratec.com
CACanada
halex.com
USUnited States
Four Eye Clinics
USUnited States
jpcgroupinc.com
USUnited States
envirosep.com
USUnited States
kingpower.com
HKHong Kong
berkotfoods.com
USUnited States
bataviacontainer.com
NLNetherlands
pez.com
ATAustria
glts.net
USUnited States
anhf.org.auh
AUAustralia
projektalp.ch
CHSwitzerland
In the depths of software development.
USUnited States
Promise Technology, Inc.
USUnited States
promise.com
USUnited States
victrongroup.com
VNVietnam
tolsa.com
ESSpain
f-t.com
USUnited States
tims.com
CACanada
ecbawm.com
JPJapan
pfsbrands.com
USUnited States
comtruck.ca
CACanada
idahopacific.com
USUnited States
spvmhc.org
USUnited States
robertshvac.com
USUnited States
q-cells.de
DEGermany
zoppo.com
USUnited States
crimsonwinegroup.com
USUnited States
greenlightbiosciences.com
conferenceusa.com
USUnited States
landmarklife.com
USUnited States
tpocc.org
USUnited States
malca-amit.com
ILIsrael
woldae.com
USUnited States
rangam.com
USUnited States
rameywine.com
USUnited States
lindquistinsurance.com
USUnited States
iamdesign.com
ITItaly
yarco.com
USUnited States
neigc.com
USUnited States
sunharbormanor.com
USUnited States
vanwingerden.com
USUnited States
mranet.org
USUnited States
posen.com
USUnited States
transaxle.com
USUnited States
deltron.com
USUnited States
vidalung.ai
USUnited States
micrometals.com
USUnited States
synergyfinancialgrp.com
USUnited States

Frequently asked questions

What is Abyss ransomware?

Abyss is a ransomware threat group that has claimed 62 victims since its first known activity in January 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 Abyss attacked?

Abyss has claimed 62 victims in our database, representing 0.3% of all tracked ransomware attacks. The most targeted countries are United States, Canada, Germany, Hong Kong.

Which countries does Abyss target?

Abyss has attacked organizations in 14 countries. The top targeted countries are: United States, Canada, Germany, Hong Kong.

Which industries does Abyss target?

Abyss most frequently targets the Business Services, Technology, Healthcare sectors based on victim disclosures in our database.

Is Abyss still active?

Abyss's most recent victim disclosure in our database was on August 26, 2026. Ransomware groups frequently rebrand or go dormant; monitor this page and our ransomware map for the latest activity.