Ransomware Research

AeR Ransomware

AeR is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on January 1, 2024, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
AeR
First Seen
January 1, 2024

How AeR Ransomware Works

Targeted Files

Full extension -> .id-C63F241F.[aerossh@nerdmail.co].AeR

File Encryption Patterns

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

File extensions added after encryption:

..AeR

Ransom Note and Payment Demands

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

fileinfo.txt

Ransom message:

notes/info.txt

Note locations:

RootDiscsDesktop
fileInfo.hta

Ransom message:

notes/Info.hta

Note locations:

StartUpRoaming

Technical Indicators

Associated Executable Files

The following executable files are associated with AeR ransomware:

  • 202401110197eb32a39518adbc118ec0559a395ccrysisdharma

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About This Analysis

This AeR 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 AeR.

Last updated: July 30, 2025

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