Ransomware Research

Abyss Ransomware

Abyss is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on May 1, 2023, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
Abyss
First Seen
May 1, 2023

How Abyss ransomware works

File encryption patterns

Abyss modifies encrypted files using specific patterns to mark them as encrypted:

Extensions added after encryption
.Abyss

Ransom note and payment demands

After encrypting files, Abyss displays ransom notes demanding payment for file recovery:

fileWhatHappened.txt
notes/WhatHappened.txt
Location: EveryFolder
screenshot
notes/readme.bmp
Location: Desktop

Technical indicators

Associated executable files

The following executable files are associated with Abyss ransomware:

About this analysis

This Abyss ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery, helping organizations defend against and recover from ransomware attacks like Abyss.

Last updated: December 30, 2025

Detection coverage

Elastio detects Abyss inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Abyss across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a scan against your recovery points to confirm.

See How the Hunt Engine WorksRequest a Demo

Recent ransomware

Explore other threats in our database

Wxlongda2025VeilCrypt2025TitanLabooboo2025SolidBit2022SnapHackLocker2024PySystemUpdate2025PySimCrypt2025Monkey2025Lol2025HWID2025
View all ransomware →