Ransomware Groups

qilin

Qilin ransomware was first observed in July of 2022. Qilin Ransomware is written in Golang and supports multiple encryption modes; all of which are controlled by the operator. Qilin actors practice do

lockbit3

LockBit, also recognized as LockBit Black or Lockbit 3.0, is one of the largest Ransomware Groups in the world and has orchestrated extensive cyberattacks across various industries, impacting thousand

akira

The Akira ransomware group is said to have emerged in March 2023, and there's much speculation about its ties to the former CONTI ransomware group.<br> <br> It's worth noting that with the end of CONT

play

Initially observed in June 2022, the Play ransomware (a.k.a PlayCrypt) operates through double extortion, targeting numerous organizations in Latin America. Its Initial Access method is quite similar

clop

The ransomware group known as Cl0p is a variant of a previously known strain dubbed CryptoMix. It is worth noting that this variant was delivered as the final payload in a phishing campaign in 2019 an

lockbit2

LockBit 2.0 is the second major iteration of the LockBit RaaS platform, launched in mid-2021, introducing automated domain-wide encryption via Active Directory Group Policy and claiming the fastest en

incransom

INC Ransom is a prolific ransomware-as-a-service operation active since July 2023 that systematically targets healthcare, government, education, and manufacturing sectors in North America and Europe,

ransomhub

The group emerged in mid-February 2024 and has already listed several organizations as alleged victims of their attacks, resulting from extortion through encryption and data leaks.<br> <br> The announ

alphv

The operators of the ALPHV/BlackCat ransomware began their activity in December 2021, making posts on Dark Web forums to promote their affiliate program, offering other actors the opportunity to engag

thegentlemen

The Gentlemen is a RaaS group that emerged in July–August 2025, rapidly claiming over 320 victims across 17+ countries by offering affiliates a 90% revenue share, deploying a Go-based locker against W

dragonforce

DragonForce is a major ransomware-as-a-service operation first observed in August 2023 that launched a formal affiliate program offering 80% revenue share, then rebranded as a "ransomware cartel" in 2

bianlian

BianLian ransomware operations began in late 2021. The group practices multi-pronged extortion, demanding payment for a decryptor, as well as the non-release of stolen data. The ransomware group hosts

safepay

SafePay emerged in September 2024 as a rapidly growing ransomware operation that explicitly disavows the RaaS model and manages all operations internally, claiming over 300 victims worldwide by mid-20

blackbasta

"Black Basta" is a new ransomware strain discovered during April 2022 - looks in dev since at least early February 2022 - and due to their ability to quickly amass new victims and the style of their n

medusa

Medusa is a ransomware-as-a-service operation active since June 2021 that has targeted over 300 victims across critical infrastructure sectors including healthcare, education, legal, and manufacturing

8base

The 8base Ransomware group made its first appearance in early March 2022, remaining somewhat quiet after the attacks. This group operates like other ransomware actors, engaging in double extortion. <B

lynx

Lynx is a ransomware-as-a-service operation that emerged in mid-2024 as a rebrand of INC Ransomware (whose source code was sold for $300,000 on the RAMP forum), claiming ~300 victims across manufactur

everest

Everest ransom group collects and analyzes information about their victims. They specialize in customer privacy data, financial information, databases, credit card information, and more. The Everest r

conti

Conti is an extremely damaging ransomware due to the speed with which it encrypts data and spreads to other systems. It was first observed in 2020 and it is thought to be led by a Russia-based cybercr

dispossessor

This is not a ransomware group but a data broker

lockbit5

LockBit 5.0 ("ChuongDong") emerged in September 2025 as the group's resurgence following the February 2024 law enforcement takedown, introducing cross-platform payloads targeting Windows, Linux, and V

nightspire

NightSpire is a ransomware group that first emerged in March 2025 and rapidly claimed over 250 victims across retail, manufacturing, healthcare, finance, and education sectors in the US, France, India

pysa

Mespinosa is a ransomware which encrypts file using an asymmetric encryption and adds .pysa as file extension. According to dissectingmalware the extension "pysa" is probably derived from the Zanzibar

hunters

In mid-October 2023, just a few days before the Europol operation, the source code of the Ransomware Hive was sold, along with its website and older versions developed in Golang and C (although this p

killsec

KillSec originated as a hacktivist group aligned with the Anonymous movement before pivoting to ransomware operations in October 2023, officially launching a RaaS platform in June 2024 with an affilia

sinobi

Sinobi is a private vetted-affiliate RaaS group that emerged in mid-2025, believed to be a rebrand of the Lynx/INC ransomware lineage, claiming 176 victims by end of 2025 through double-extortion atta

rhysida

Rhysida is a ransomware-as-a-service (RAAS) group that emerged in May 2023. The group utilizes a namesake ransomware through phishing attacks and Cobalt Strike to breach the targets' networks and depl

cactus

The CACTUS ransomware is said to have emerged around March 2023. The group became known for exploiting vulnerabilities to gain initial access and maintain a presence within the organization's infrastr

royal

According to Trendmicro, Royal ransomware was first observed in September 2022, and the threat actors behind it are believed to be seasoned cybercriminals who used to be part of Conti Team One.

hive

Hive is a strain of ransomware that was first discovered in June 2021. Hive was designed to be used by Ransomware-as-a-service providers, to enable novice cyber-criminals to launch ransomware attacks

ransomhouse

RansomHouse is a double-extortion RaaS operation active since late 2021, attributed to the threat actor "Jolly Scorpius," targeting over 120 organizations across healthcare, finance, transportation, a

stormous

Stormous is an Arabic-speaking, pro-Russian ransomware and hacktivist group active since at least 2022, known for politically motivated attacks across 15+ countries, collaborating with GhostSec on the

fog

Fog, which uses the .flocked extension for encrypted files, was first observed in May in campaigns by Storm-0844, a threat actor known for distributing Akira. By June, Storm-0844 was deploying Fog mor

vicesociety

Vice Society ransomware appends the .v-society extension when encrypting Linux machines. Running a leak site on the darkweb, Possible relations with "HelloKitty"

coinbasecartel

CoinbaseCartel specializes in data acquisition through system access and strategic partnerships. It focus exclusively on data exfiltration—our operations never involve system encryption or operational

devman

Former RansomHub and INC Ransom affiliate.

blacksuit

According to Trend Micro, this ransomware has significant code overlap with Royal Ransomware.

babuk2

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

nova

Nova (formerly RALord) is a ransomware-as-a-service (RaaS) group that encrypts victims’files and uses double-extortion tactics to pressure organizations into paying for decryption and data non-disclos

worldleaks

World Leaks emerged in January 2025 as a rebrand of the Hunters International ransomware operation, shifting its focus from file encryption to solely stealing sensitive data and threatening to leak it

handala

Not a Ransomware Group

funksec

FunkSec is an AI-assisted ransomware-as-a-service group that launched its data leak site in December 2024 and rapidly claimed over 85 victims across government, technology, finance, and education sect

malas

Malas is a lesser-documented ransomware group that maintains an active dark web presence; detailed information about its targets, victims, or operational model is limited in public reporting.

cloak

Cloak is a ransomware-as-a-service operation active since late 2022, primarily targeting small-to-medium enterprises in Europe — especially Germany — across manufacturing, healthcare, education, and g

apt73

A new ransomware group is said to have emerged in mid-April 2024, under the name 'APT73.' It's worth noting that the group reportedly self-proclaimed as an APT, which stands for 'Advanced Persistent T

blackbyte

Ransomware. Uses dropper written in JavaScript to deploy a .NET payload.

spacebears

Space Bears is a double-extortion ransomware group that emerged in April 2024, distinguished by a professional "corporate" aesthetic on its leak site, leveraging Phobos RaaS infrastructure and targeti

avaddon

Avaddon is a ransomware malware targeting Windows systems often spread via malicious spam. The first known attack where Avaddon ransomware was distributed was in February 2020. Avaddon encrypts files

meow

Meow emerged in 2022 (resurfacing aggressively in 2024), initially operating as a RaaS using the Conti v2 codebase before transitioning to a data-extortion-only model — selling stolen data rather than

snatch

Snatch is a ransomware which infects victims by rebooting the PC into Safe Mode. Most of the existing security protections do not run in Safe Mode so that it the malware can act without expected count

sarcoma

Sarcoma is a ransomware group that debuted in October 2024, immediately ranking among the top three most active groups globally and surpassing 116 documented victims by mid-2025, targeting mid-market

shinyhunters

ShinyHunters is a financially motivated data-theft and extortion group active since 2020, responsible for high-profile breaches including Ticketmaster (via Snowflake) and PowerSchool; by 2025 they lau

ragnarlocker

Ragnar Locker was an elite ransomware group active from December 2019 to October 2023 that targeted large enterprises and critical infrastructure — including Capcom and Campari — claiming at least 168

raworld

RA Group, also known as RA World, first surfaced in April 2023, utilizing a custom variant of the Babuk ransomware.

noescape

NoEscape was a RaaS operation active from May to December 2023 believed to be a rebrand of the defunct Avaddon ransomware, targeting professional services, manufacturing, and healthcare with triple-ex

interlock

Interlock is a ransomware group first observed in September 2024 that targets critical infrastructure sectors including healthcare, government, education, and technology across North America and Europ

toufan

Pro-Palestinian Group

silentransomgroup

a former Conti team

eldorado

In September The El Dorado ransomware group have been rebrand as BlackLock

monti

Monti is a ransomware group first observed in June 2022 that initially copied nearly all of Conti's leaked source code, pivoting to target government, legal, and healthcare entities, later releasing a

genesis

Genesis is an emerging ransomware group first observed in late 2025, targeting small to mid-sized US organizations across healthcare, retail, financial services, legal, and manufacturing using double-

arcusmedia

Arcus Media is a ransomware-as-a-service group that emerged in May 2024, employing double extortion with ChaCha20 + RSA-2048 encryption and recruiting affiliates via a referral-based vetting process,

pear

Pure Extraction And Ransom (PEAR) Team is the community of highly responsible and strictly disciplined members. We are a private team and have nothing common with any other threat actors. We've been m

payoutsking

PayoutsKing is an active ransomware group observed through at least 2026 that has claimed attacks against a wide range of industries internationally — including Del Monte Foods and V. FRAAS — across t

cuba

The Cuba Ransomware, also known as Colddraw Ransomware, was first identified in the threat landscape in 2019 and built a relatively small but selected list of victims. The group is also known as Fidel

anubis

Anubis is a ransomware-as-a-service group active since December 2024 that targets healthcare, engineering, construction, and professional services sectors, offering affiliates a flexible revenue split

revil

Sodinokibi ransomware group also known as REvil (Ransomware Evil) operates as a ransomware-as-a-service (RaaS) model. After the group compromised his victims, they would threaten to publish the victim

deadlock

kairos

Kairos is a data extortion group active since late 2024 that focuses solely on data theft with no encryption, primarily targeting small-to-mid-sized organizations in healthcare, manufacturing, and bus

abyss

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-extorti

threeam

A new Ransomware family identified by the name '3AM' or 'ThreeAM' in September 2023. The ransomware operation was observed by the Symantec team, in which a ransomware affiliate attempted to deploy ano

ransomexx

RansomExx is a ransomware family that targeted multiple companies starting in mid-2020. It shares commonalities with Defray777.

krybit

Krybit is an emerging RaaS group that launched in late March 2026, offering affiliates an 80/20 revenue split with support for Windows, Linux, ESXi, and NAS device encryption, and became notable for a

warlock

The Warlock ransomware and operator(s) are believed to be attributed to Storm-2603, a China-based threat actor who is also known to have deployed LockBit ransomware. There's also a crossover between v

medusalocker

Medusa is a DDoS bot written in .NET 2.0. In its current incarnation its C&C protocol is based on HTTP, while its predecessor made use of IRC.

lorenz

Tesorion describes Lorenz as a ransomware with design and implementation flaws, leading to impossible decryption with tools provided by the attackers. A free decryptor for 2021 versions was made avail

chaos

Chaos is a ransomware-as-a-service operation that emerged in early 2025, likely formed by former BlackSuit/Royal members, offering cross-platform ransomware for Windows, Linux, ESXi, and NAS to affili

direwolf

Dire Wolf is a sophisticated human-operated ransomware group first documented in May 2025, written in Golang using Curve25519/ChaCha20 encryption, targeting manufacturing and technology sectors across

cicada3301

Cicada3301 is a ransomware-as-a-service group (tracked as Repellent Scorpius by Palo Alto) that emerged in mid-2024 using Rust-based ransomware targeting Windows, Linux, and ESXi systems, suspected to

karakurt

Karakurt is a pure data-extortion group (no encryption) assessed with high confidence to be the extortion arm of the Conti ransomware group, active from 2021, that steals data and threatens to auction

beast

Beast is a Ransomware-as-a-service (RaaS) product which provides functionality such as SMB scanning, file encryption, service and process starting and stopping, and geographic identification to avoid

avoslocker

AvosLocker is the ransomware payload of the Avos RaaS group, active from July 2021 to approximately May 2023, targeting education, manufacturing, and healthcare sectors on Windows, Linux, and VMware E

braincipher

Brain Cipher emerged in July 2024. Both Windows and Linux variants are available. Brain Cipher using the leaked build of LockBit Black for their operations. The group suspected to have exploited CVE-2

ransomed

RansomedVC was a short-lived extortion group active from August to November 2023 that claimed high-profile victims including Sony, innovating by threatening GDPR regulatory fines as an additional exto

payload

Payload is a ransomware group that emerged in early 2026, using Babuk-derived source code targeting both Windows and ESXi systems with cross-platform double-extortion attacks against healthcare, energ

quantum

Quantum ransomware, active from mid-2021 through 2022, was a rebrand of the MountLocker/AstroLocker/XingLocker lineage that operated as RaaS, known for extremely fast attack timelines (under four hour

blacklock

BlackLock is a rebranded version of another ransomware group known as Eldorado. It has since become one of the most active extortion syndicates in 2025, heavily targeting technology, manufacturing, co

lv

LV ransomware group main message: "Here are companies which didn't meet consumer data protection obligations. They rejected to fix their mistakes, they rejected to protect this data in the case when t

maze

Maze ransomware group is one of the most known ransomware gangs, they targeted organizations worldwide across many industries. Security researchers believed that Maze operates as an affiliated network

flocker

Flocker (also linked to the FSociety brand) is a ransomware-as-a-service group active since 2023–2024, targeting Windows and Linux systems via phishing, compromised RDP, and exploit kits using a doubl

darkvault

DarkVault is a data-exfiltration and double-extortion group first identified in late 2023, targeting medium-to-large organizations in finance, professional services, legal, and technology sectors acro

losttrust

LostTrust is a double-extortion ransomware operation that emerged in March 2023 and publicized over 50 victims within days of launching its leak site in September 2023, believed to be a rebrand of the

mallox

This ransomware uses a combination of different crypto algorithms (ChaCha20, AES-128, Curve25519). The activity of this malware is dated to mid-June 2021. The extension of the encrypted files are set

tengu

Tengu is a RaaS operation first observed in October 2025, following a double-extortion model and using Living Off The Land Binaries (LOLBins) to blend malicious activity with normal admin traffic, pri

trigona

According to PCrisk, Trigona is ransomware that encrypts files and appends the ._locked extension to filenames. Also, it drops the how_to_decrypt.hta file that opens a ransom note. An example of how T

gunra

Gunra is a financially motivated ransomware group that emerged in April 2025, using double-extortion tactics against real estate, pharmaceuticals, and manufacturing sectors across Japan, Egypt, Panama

knight

[Cyclops](group/cyclops) rebrand

termite

Termite is a ransomware group first identified in late 2024 using a modified version of Babuk ransomware code; its most notable attack was the November 2024 breach of supply-chain software firm Blue Y

nitrogen

Nitrogen began as a malware loader in 2023 used to deliver BlackCat/ALPHV ransomware, then evolved into a fully independent ransomware operator by mid-2024, operating its own strain derived from leake

ailock

AiLock is a ransomware operation that emerged in early 2025, marketing itself as AI-assisted ransomware using a hybrid ChaCha20/NTRUEncrypt encryption scheme and double-extortion tactics, actively rec