Ransomware Research

RestoreBackup Ransomware

RestoreBackup is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2025, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
RestoreBackup
First Seen
March 1, 2025

How RestoreBackup Ransomware Works

Targeted Files

Full extension -> .{4358351F-66B1-D368-7DCB-72284ABD03AA}.restorebackup

File Encryption Patterns

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

File extensions added after encryption:

..restorebackup

Ransom Note and Payment Demands

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

fileREADME.TXT

Ransom message:

notes/README.TXT

Note locations:

EveryFolder

Technical Indicators

Associated Executable Files

The following executable files are associated with RestoreBackup ransomware:

  • tdrzicao.exe

Elastio Can Help You

Don't let RestoreBackup ransomware take over your data

Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.

About This Analysis

This RestoreBackup 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 RestoreBackup.

Last updated: July 30, 2025