Ransomware Research

LockCrypt Ransomware

LockCrypt is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on May 1, 2017, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: LockCrypt 2.0.

Quick Facts

Ransomware Family
LockCrypt
First Seen
May 1, 2017
Known Aliases
LockCrypt 2.0

How LockCrypt Ransomware Works

File Encryption Patterns

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

File extensions added after encryption:

..lock..2018..1btc..mich..BI_D..BadNews..BDKR..LyaS

Ransom Note and Payment Demands

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

fileReadMe.TxT

Ransom message:

notes/ReadMe.TxT
fileRestore Files.TxT

Ransom message:

notes/Restore Files.TxT
fileHow To Restore Files.txt

Ransom message:

notes/How To Restore Files.txt

Note locations:

EveryFolder
fileHow To Decode Files.hta

Ransom message:

notes/How To Decode Files.hta

Note locations:

EveryFolder
fileHow To Restore Files.hta

Ransom message:

notes/How To Restore Files.hta

Note locations:

EveryFolder

Technical Indicators

Associated Executable Files

The following executable files are associated with LockCrypt ransomware:

  • locker.exe
  • d4d3f.exe
  • wwvcm.exe
  • myfile.exe
  • svchost.exe
  • FileEncrypter.exe
  • notepad+++.exe
  • NOTEPAD+++.EXE
  • searchfiles.exe
  • LockCrypt2.0.bin
  • Trojan.Ransom.LockCrypt.exe
  • Ransomware LockCrypt.exe
  • cc.exe
  • 626.json
  • 2018-09-21 LockCrypt2.0.exe
  • fcr.exe
  • CRYPT.EXE
  • RAP.exe

Recovery and Decryption Tools

Good news! Decryption tools are available for LockCrypt ransomware:

0

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About This Analysis

This LockCrypt 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 LockCrypt.

Last updated: October 30, 2025

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