Ransomware Research

CainXPii Ransomware

CainXPii 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
CainXPii
First Seen
September 1, 2016

How CainXPii Ransomware Works

Targeted Files

Fake Renames files

File Encryption Patterns

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

File extensions added after encryption:

..CainXPii

Ransom Note and Payment Demands

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

message

Ransom message:

notes/note.txt

Note locations:

OnceOnCompletion

Technical Indicators

Associated Executable Files

The following executable files are associated with CainXPii ransomware:

  • Hitler.exe
  • Ransomware.exe
  • CainXPii.exe
  • MINDCRAFT.exe
  • x[1].exe
  • x.exe
  • HITLER_RANSOMWARE.exe
  • 1.exe
  • aa
  • lQrRqTK.xlsx

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About This Analysis

This CainXPii 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 CainXPii.

Last updated: July 30, 2025

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