Ransomware Research

Pegasus Ransomware

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

Quick facts

Ransomware Family
Pegasus
First Seen
April 1, 2024

How Pegasus ransomware works

File modification behavior

Pegasus updates file modification timestamps after encryption.

File encryption patterns

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

Extensions added after encryption
  • ./\.[a-zA-Z0-9]{5}$/

Ransom note and payment demands

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

fileGhost_ReadMe.txt
notes/Ghost_ReadMe.txt

Location: EveryFolder

screenshot
notes/mQDSuKYWO.jpg

Location: Desktop

Technical indicators

Associated executable files

The following executable files are associated with Pegasus ransomware:

  • GhostRansomware.exe
  • Ghost.exe

About this analysis

This Pegasus 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 Pegasus.

Last updated: April 22, 2024

Detection coverage

Elastio detects Pegasus inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Pegasus 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.