CryptoJoker 2017 Ransomware
CryptoJoker 2017 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on July 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick facts
How CryptoJoker 2017 ransomware works
File encryption patterns
CryptoJoker 2017 modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, CryptoJoker 2017 displays ransom notes demanding payment for file recovery:
notes/CryptoJoker Recovery Information.txt
Technical indicators
Associated executable files
The following executable files are associated with CryptoJoker 2017 ransomware:
- CryptoJoker.exe
Recovery and decryption tools
Decryption tools may be available for CryptoJoker 2017. Review the resources below:
About this analysis
This CryptoJoker 2017 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 CryptoJoker 2017.
Last updated: December 30, 2025
Elastio detects CryptoJoker 2017 inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify CryptoJoker 2017 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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