Ransomware Research

Newlocker Ransomware

Newlocker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on May 1, 2023, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
Newlocker
First Seen
May 1, 2023

How Newlocker Ransomware Works

File Encryption Patterns

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

File extensions added after encryption:

..newlocker

Ransom Note and Payment Demands

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

fileHOW_TO_RECOVER_DATA.html

Ransom message:

notes/HOW_TO_RECOVER_DATA.html

Note locations:

EveryFolder

Technical Indicators

Associated Executable Files

The following executable files are associated with Newlocker ransomware:

  • svhost.exe

Elastio Can Help You

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About This Analysis

This Newlocker 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 Newlocker.

Last updated: July 30, 2025

Newlocker Ransomware - Detectable by Elastio