Sodinokibi Ransomware
Sodinokibi is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on April 1, 2019, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Sodinokibi Doxware, BlueBackground, REvil.
Quick facts
How Sodinokibi ransomware works
File encryption patterns
Sodinokibi modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, Sodinokibi displays ransom notes demanding payment for file recovery:
notes/kww38r-readme.txt
notes/rxk20-README.txt
notes/c7mjpia4-HOW-TO-DECRYPT.txt
notes/6l3l43wj-PLEASE-README-THIS.txt
notes/e728a6.info.txt
notes/0f155qd6j-read-me-ATTRATTIVO.txt
notes/e9pf8q6-HELP-NEED.txt
notes/ATTENTION-1n4voi498e-README.txt
notes/kz87w6ta650.png
Technical indicators
Associated executable files
The following executable files are associated with Sodinokibi ransomware:
- 9Maghszwd0GXsSso.exe
- sodinokibi.exe
- untitled.exe
- 3WaiFPGQ.exe
- ransomware.exe
- s.exe
- linux.linux
- colorui.dll
- June document
About this analysis
This Sodinokibi 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 Sodinokibi.
Last updated: December 30, 2025
Elastio detects Sodinokibi inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify Sodinokibi 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.
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