Ransomware Research

Albabat Ransomware

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

Quick facts

Ransomware Family
Albabat
First Seen
December 1, 2023

How Albabat ransomware works

File modification behavior

Albabat updates file modification timestamps after encryption.

File encryption patterns

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

Extensions added after encryption
  • .abbt
  • .1HjyzNl9
  • .locked

Ransom note and payment demands

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

message
notes/note.txt

Location: OnceOnCompletion

fileAlbabat_README.html
notes/Albabat_README.html

Location: Desktop

fileRECOVER-1HjyzNl9-FILES.html
notes/RECOVER-1HjyzNl9-FILES.html

Location: Desktop

fileRANSOM_NOTE.html
notes/RANSOM_NOTE.html

Location: EveryFolder

Technical indicators

Associated executable files

The following executable files are associated with Albabat ransomware:

  • injector.exe

About this analysis

This Albabat 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 Albabat.

Last updated: May 6, 2026

Detection coverage

Elastio detects Albabat inside your data and backups.

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