Ransomware Research

Allrighty Ransomware

Allrighty is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on November 1, 2017, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: SleepyFish.

Quick facts

Ransomware Family
Allrighty
First Seen
November 1, 2017
Known Aliases
SleepyFish

Ransom note and payment demands

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

fileransom_file.txt
notes/ransom_file.txt
Location: Desktop

Technical indicators

Associated executable files

The following executable files are associated with Allrighty ransomware:

About this analysis

This Allrighty 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 Allrighty.

Last updated: December 30, 2025

Detection coverage

Elastio detects Allrighty inside your data and backups.

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

See How the Hunt Engine WorksRequest a Demo

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