Ransomware Research

AES_KEY_GEN_ASSIST Ransomware

AES_KEY_GEN_ASSIST is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on December 1, 2016, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
AES_KEY_GEN_ASSIST
First Seen
December 1, 2016

How AES_KEY_GEN_ASSIST Ransomware Works

Targeted Files

NOSAMPLE

File Encryption Patterns

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

File extensions added after encryption:

..pre_alpha

Ransom Note and Payment Demands

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

file!Read__Me.tXt

Ransom message:

notes/!Read__Me.tXt

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About This Analysis

This AES_KEY_GEN_ASSIST 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 AES_KEY_GEN_ASSIST.

Last updated: July 30, 2025