Ransomware Research

Apocalypse Ransomware

Apocalypse is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2016, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: ApocalypseVM.

Quick facts

Ransomware Family
Apocalypse
First Seen
June 1, 2016
Known Aliases
  • ApocalypseVM

How Apocalypse ransomware works

File modification behavior

Apocalypse resets file modification timestamps after encryption.

File encryption patterns

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

Extensions added after encryption
  • .bleepYourFiles
  • .unavailable
  • .Encryptedfile
  • .SecureCrypted
  • .encrypted
  • .locked
  • .FuckYourData
  • ./\.[a-z0-9]{13}/

Ransom note and payment demands

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

file/[a-fA-F\d]{32}\.(txt|TXT)/

Location: EveryFile

file{origin_filename}.How_To_Decrypt.txt
notes/doc1.How_To_Decrypt.txt

Location: EveryFile

file{origin_filename}.README.Txt
notes/descript.ion.README.Txt

Location: EveryFile

Technical indicators

Associated executable files

The following executable files are associated with Apocalypse ransomware:

  • windowsupdate.exe
  • markovka.exe

About this analysis

This Apocalypse 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 Apocalypse.

Last updated: September 27, 2024

Detection coverage

Elastio detects Apocalypse inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Apocalypse 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.