Crypt0 Ransomware
Crypt0 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on September 1, 2016, this ransomware has been actively targeting systems worldwide.
Quick facts
Ransom note and payment demands
After encrypting files, Crypt0 displays ransom notes demanding payment for file recovery:
notes/HELP_DECRYPT.TXT
Technical indicators
Associated executable files
The following executable files are associated with Crypt0 ransomware:
- crypt0-Encrypt.exe
- CryptXXX.exe
- 1212
- RANSOMWARE
- very_nice.jpg
- very-good.jpg
About this analysis
This Crypt0 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 Crypt0.
Last updated: December 30, 2025
Elastio detects Crypt0 inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify Crypt0 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.
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