Ransomware Research

LCRY Ransomware

LCRY is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on August 1, 2021, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
LCRY
First Seen
August 1, 2021

How LCRY Ransomware Works

Targeted Files

full extension -> \.[A-Z]{4}\.LCRY encrypts first 0x3E800 bytes

File Encryption Patterns

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

File extensions added after encryption:

..LCRY._lcry_enc

Ransom Note and Payment Demands

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

fileLCRY_README.txt

Ransom message:

notes/LCRY_README.txt

Note locations:

RootDirectory

Technical Indicators

Associated Executable Files

The following executable files are associated with LCRY ransomware:

  • winnt32.exe
  • LCRY1.exe
  • LCRY.exe
  • LCRY_new.exe

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About This Analysis

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

Last updated: July 30, 2025

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