BooM Ransomware
BooM is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on December 1, 2018, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Epsilon, Revenge, BooM NextGen.
Quick facts
How BooM ransomware works
File encryption patterns
BooM modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, BooM displays ransom notes demanding payment for file recovery:
notes/HOW TO DECRYPT FILES.txt
notes/ReadToRestore.txt
notes/ReadToRestore.txt
Technical indicators
Associated executable files
The following executable files are associated with BooM ransomware:
- file_to_save.exe
- file_to_send
- Boom ransomware.exe
- BooM Ransomeware.exe
- BooM.exe
- boom.exe
- Tempsvchost.exe
- BooM2.exe
- Ransomeware.exe
About this analysis
This BooM 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 BooM.
Last updated: December 30, 2025
Elastio detects BooM inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify BooM 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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