Ransomware Research

CyberVolk Ransomware

CyberVolk is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2024, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: CyberBytes, Cyb3r Bytes.

Quick facts

Ransomware Family
CyberVolk
First Seen
June 1, 2024
Known Aliases
CyberBytesCyb3r Bytes

How CyberVolk ransomware works

File encryption patterns

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

Extensions added after encryption
.cvenc

Ransom note and payment demands

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

fileCyberVolk_ReadMe.txt
notes/CyberVolk_ReadMe.txt
Location: EveryFolder

Technical indicators

Associated executable files

The following executable files are associated with CyberVolk ransomware:

About this analysis

This CyberVolk 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 CyberVolk.

Last updated: December 30, 2025

Detection coverage

Elastio detects CyberVolk inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify CyberVolk 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.

See How the Hunt Engine WorksRequest a Demo

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What is CyberVolk Ransomware? | Elastio