Ransomware Research

RYKCRYPT Ransomware

RYKCRYPT is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on January 1, 2023, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
RYKCRYPT
First Seen
January 1, 2023

How RYKCRYPT Ransomware Works

Targeted Files

Full extension -> .(CW-MD7308145962)(encoderdecryption@gmail.com).RYKCRYPT

File Encryption Patterns

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

File extensions added after encryption:

..RYKCRYPT

Ransom Note and Payment Demands

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

fileunlock-info.txt

Ransom message:

notes/unlock-info.txt

Note locations:

EveryFolder

Technical Indicators

Associated Executable Files

The following executable files are associated with RYKCRYPT ransomware:

  • encoderdecryption.exe

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About This Analysis

This RYKCRYPT 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 RYKCRYPT.

Last updated: July 30, 2025

RYKCRYPT Ransomware - Detectable by Elastio