Ransomware Research

Amnesia-2 Ransomware

Amnesia-2 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on September 1, 2017, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Amnesia2.

Quick facts

Ransomware Family
Amnesia-2
First Seen
September 1, 2017
Known Aliases
  • Amnesia2

How Amnesia-2 ransomware works

File modification behavior

Amnesia-2 resets file modification timestamps after encryption.

File encryption patterns

Amnesia-2 modifies encrypted files using specific patterns to mark them as encrypted:

Extensions added after encryption
  • .TRMT
  • .LOGOZ
  • .wncry
  • .gladn
  • .hvsgt
  • .am
  • .amnesia

Ransom note and payment demands

After encrypting files, Amnesia-2 displays ransom notes demanding payment for file recovery:

fileHOW TO RECOVER ENCRYPTED FILES.TXT
notes/HOW TO RECOVER ENCRYPTED FILES.TXT
fileInstruction of recovery files WannaCry.TXT
fileКак расшифровать файлы.TXT
fileENCRYPTED FILES.TXT
notes/ ENCRYPTED FILES.TXT

Location: EveryFolder

fileИнструкция по восстановлению данных.TXT
notes/Инструкция по восстановлению данных.TXT

Location: EveryFolder

fileКак расшифровать файлы.TXT
notes/Как расшифровать файлы.TXT

Location: EveryFolder

Technical indicators

Associated executable files

The following executable files are associated with Amnesia-2 ransomware:

  • guide.exe
  • locker.exe

Recovery and decryption tools

Decryption tools may be available for Amnesia-2. Review the resources below:

About this analysis

This Amnesia-2 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 Amnesia-2.

Last updated: September 22, 2026

Detection coverage

Elastio detects Amnesia-2 inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Amnesia-2 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.