Ransomware Research

OceanSpy Ransomware

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

Quick facts

Ransomware Family
OceanSpy
First Seen
July 1, 2024

How OceanSpy ransomware works

File encryption patterns

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

Extensions added after encryption
./\.[0-9a-z]{4}$/

Ransom note and payment demands

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

fileOceanCorp.txt
notes/OceanCorp.txt
Location: EveryFolder
screenshot
notes/g2uo9vltg.jpg
Location: Desktop

Technical indicators

Associated executable files

The following executable files are associated with OceanSpy ransomware:

About this analysis

This OceanSpy 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 OceanSpy.

Last updated: December 30, 2025

Detection coverage

Elastio detects OceanSpy inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify OceanSpy 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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