Ransomware Research
Bubble Ransomware
Bubble is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2017, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Preventivo, CryptoBubble.
Quick Facts
- Ransomware Family
- Bubble
- First Seen
- June 1, 2017
- Known Aliases
- PreventivoCryptoBubble
How Bubble Ransomware Works
File Encryption Patterns
Bubble modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..bubbleRansom Note and Payment Demands
After encrypting files, Bubble displays ransom notes demanding payment for file recovery:
Ransom message:
notes/note.txt
Note locations:
LoginTechnical Indicators
Associated Executable Files
The following executable files are associated with Bubble ransomware:
preventivo.pdf8eCryptoBubble_ransomware_Italypreventivo.pdf.exePREVENTIVO_PDF.EXE.VIRCryptoBubble_ransomware_Italy.exe8e.exe
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About This Analysis
This Bubble ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery solutions, helping organizations defend against and recover from ransomware attacks like Bubble.
Last updated: July 30, 2025