Ransomware Research

OmniSphere Ransomware

OmniSphere is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on October 1, 2019, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
OmniSphere
First Seen
October 1, 2019

How OmniSphere ransomware works

File modification behavior

OmniSphere updates file modification timestamps after encryption.

File encryption patterns

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

Extensions added after encryption
  • .omnisphere

Ransom note and payment demands

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

file!DECRYPT_MY_FILES_OS.txt
notes/!DECRYPT_MY_FILES_OS.txt
file!DECRYPT_OMNISPHERE.txt
notes/!DECRYPT_OMNISPHERE.txt

Location: EveryFolder

About this analysis

This OmniSphere 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 OmniSphere.

Last updated: December 14, 2022

Detection coverage

Elastio detects OmniSphere inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify OmniSphere 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.