Ransomware Research

TellYouThePass Ransomware

TellYouThePass is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2019, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
TellYouThePass
First Seen
March 1, 2019

How TellYouThePass Ransomware Works

File Encryption Patterns

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

File extensions added after encryption:

..locked

Ransom Note and Payment Demands

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

fileREADME.html

Ransom message:

notes/README.html

Note locations:

EveryFolder

Technical Indicators

Associated Executable Files

The following executable files are associated with TellYouThePass ransomware:

  • 51e17f517e6c07f61726dda04a7d39a841c60a356fac35bd6124e4a71bae826e_e3-Ransomware.exe
  • e3.exe
  • e3.rar
  • Tellyouthepass.exe
  • e5.exe
  • decrypt32.exe
  • hello.exe
  • wintime.exe
  • ce.exe
  • w.exe
  • WindowsAutoUpdate.exe
  • windowsm.exe
  • Locked.Ransom.exe
  • windebug.exe
  • dog.exe
  • debug.exe
  • debug.e_x_e

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About This Analysis

This TellYouThePass 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 TellYouThePass.

Last updated: July 30, 2025

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