Ransomware Research

PEC 2017 Ransomware

PEC 2017 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on May 1, 2017, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
PEC 2017
First Seen
May 1, 2017

How PEC 2017 ransomware works

File encryption patterns

PEC 2017 modifies encrypted files using specific patterns to mark them as encrypted:

Extensions added after encryption
.pec

Ransom note and payment demands

After encrypting files, PEC 2017 displays ransom notes demanding payment for file recovery:

fileAIUTO_COME_DECIFRARE_FILE.html
notes/AIUTO_COME_DECIFRARE_FILE.html
Location: EveryFolder

Technical indicators

Associated executable files

The following executable files are associated with PEC 2017 ransomware:

About this analysis

This PEC 2017 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 PEC 2017.

Last updated: December 30, 2025

Detection coverage

Elastio detects PEC 2017 inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify PEC 2017 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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