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
How LockCrypt ransomware works
File encryption patterns
LockCrypt modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, LockCrypt displays ransom notes demanding payment for file recovery:
notes/ReadMe.TxT
notes/Restore Files.TxT
notes/How To Restore Files.txt
notes/How To Decode Files.hta
notes/How To Restore Files.hta
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
Decryption tools may be available for LockCrypt. Review the resources below:
About this analysis
This LockCrypt 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 LockCrypt.
Last updated: December 30, 2025
Elastio detects LockCrypt inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify LockCrypt across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a scan against your recovery points to confirm.
Recent ransomware
Explore other threats in our database