Ransomware Research

Flotera Ransomware

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

Quick Facts

Ransomware Family
Flotera
First Seen
March 1, 2017

How Flotera Ransomware Works

Targeted Files

Written in AutoIt Requires C&C (could be emulated with FakenetNG)

File Encryption Patterns

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

File extensions added after encryption:

..aes

Ransom Note and Payment Demands

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

file!!!-ODZYSKAJ-PLIKI-!!!.TXT

Ransom message:

notes/!!!-ODZYSKAJ-PLIKI-!!!.TXT

Note locations:

EveryFolder
file!!!-ODZYSKAJ-DANE-!!!.TXT

Ransom message:

notes/!!!-ODZYSKAJ-DANE-!!!.TXT

Note locations:

EveryFolder

Technical Indicators

Associated Executable Files

The following executable files are associated with Flotera ransomware:

  • msdl.exe
  • listener22.exe

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About This Analysis

This Flotera 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 Flotera.

Last updated: July 30, 2025

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