Ransomware Research

Bloccato Ransomware

Bloccato is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on May 1, 2016, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Bloccato (Italian).

Quick facts

Ransomware Family
Bloccato
First Seen
May 1, 2016
Known Aliases
Bloccato (Italian)

How Bloccato ransomware works

File encryption patterns

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

Extensions added after encryption
.bloccato

Ransom note and payment demands

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

fileLEGGI QUESTO FILE.txt
notes/LEGGI QUESTO FILE.txt
Location: Desktop

Technical indicators

Associated executable files

The following executable files are associated with Bloccato ransomware:

About this analysis

This Bloccato 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 Bloccato.

Last updated: December 30, 2025

Detection coverage

Elastio detects Bloccato inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Bloccato 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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