Ransomware Research

PowerAggressive Ransomware

PowerAggressive is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2026, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
PowerAggressive
First Seen
February 1, 2026

How PowerAggressive ransomware works

File modification behavior

PowerAggressive updates file modification timestamps after encryption.

File encryption patterns

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

Extensions added after encryption
  • .RSALOCK
  • .LOCKED

Ransom note and payment demands

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

fileREADME_RSA_DECRYPT.txt
notes/README_RSA_DECRYPT.txt

Location: RootDiscs, UserProfile

fileREAD_ME_FOR_DECRYPTION.txt
notes/READ_ME_FOR_DECRYPTION.txt

Location: UserProfile

screenshot
notes/ransom.png

Location: Desktop

Technical indicators

Associated executable files

The following executable files are associated with PowerAggressive ransomware:

  • trigger.ps1

About this analysis

This PowerAggressive ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery, helping organizations defend against and recover from ransomware attacks like PowerAggressive.

Last updated: April 23, 2026

Detection coverage

Elastio detects PowerAggressive inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify PowerAggressive across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a hunt against your recovery points to confirm.