Ransomware Research

CrypMIC Ransomware

CrypMIC 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

Ransomware Family
CrypMIC
First Seen
September 1, 2016

How CrypMIC Ransomware Works

Ransom Note and Payment Demands

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

fileREADME.html

Ransom message:

notes/README.html

Note locations:

EveryFolder
fileREADME.txt

Ransom message:

notes/README.txt

Note locations:

EveryFolder
screenshot

Ransom message:

notes/README.bmp

Note locations:

Desktop

Technical Indicators

Associated Executable Files

The following executable files are associated with CrypMIC ransomware:

  • NirCmd.exe
  • trr
  • radDCD86.tmp.exe
  • com_loader.jpg
  • com_loader.exe
  • Z_YW8Sg.docx

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About This Analysis

This CrypMIC 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 CrypMIC.

Last updated: July 30, 2025

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