Ransomware Research

TeslaWare Ransomware

TeslaWare is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on May 1, 2017, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
TeslaWare
First Seen
May 1, 2017

How TeslaWare Ransomware Works

Targeted Files

Random/encrypted filenames

File Encryption Patterns

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

File extensions added after encryption:

..Tesla..Yugo

Ransom Note and Payment Demands

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

fileREAD_ME.txt

Ransom message:

notes/READ_ME.txt

Note locations:

Desktop
message

Ransom message:

notes/note.txt

Note locations:

Login

Technical Indicators

Associated Executable Files

The following executable files are associated with TeslaWare ransomware:

  • WindowsDrivers.exe
  • TESLA%20RASOMWARE.BIN
  • Trojan.Ransom.TeslaWare.exe
  • TeslaWare.exe
  • windowsdrivers.exe
  • 2Malicious4Me.exe
  • FILE_10
  • TESLA_RANSOMWARE (7)
  • teslaware.exe
  • TESLA_RANSOMWARE (1)

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About This Analysis

This TeslaWare 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 TeslaWare.

Last updated: July 30, 2025

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