RegRun Reanimator is free specialized software designed to detect and remove sophisticated malware that often goes unnoticed by standard antivirus programs. It is an ideal addition to your core protection, focusing on critical areas of the Windows operating system.

This powerful freeware tool provides comprehensive cleaning from various threats like Trojan horses, viruses, rootkits, adware, and spyware. It also offers robust registry protection, monitoring for unwanted changes and restoring original settings after an infection. With daily updates, RegRun Reanimator ensures its database is always ready for the latest hacking software, offering a professional level of diagnostics and cleaning without conflicting with other antivirus products.

In This Post

Pro Tips

Performing a Quick Malware Scan and Fix

Open RegRun Reanimator.
Click the Fix Problem button.
Select Fix Malware Issues to initiate an automated scan.
Review the detected threats and choose to Fix them or mark them as False Positive.
Restart your PC to finalize the remediation process.

Reason To Do This: This quick start guide allows users to immediately scan for and address common malware infections with minimal interaction, leveraging RegRun Reanimator‘s automated detection and removal capabilities.

Utilizing the Support Center for Stubborn Infections

Disconnect your computer from the network (pull out the cable).
Restart your computer into Safe Mode.
Run RegRun Reanimator and choose the Send Report tab.
Click Send Report Now to generate a regrunlog.txt file.
Reconnect to the internet and upload this report to the Greatis Support Center via your ticket.
Wait for the support team to analyze the report and send back a custom RNR.RNR file.
Disconnect from the network again, restart in Safe Mode, run RegRun Reanimator, and open the received RNR.RNR file to execute the tailored removal procedure.

Reason To Do This: For complex or persistent malware that automated scans might miss, the Support Center workflow provides expert-assisted removal, ensuring even deeply embedded threats are identified and eradicated with a custom-generated fix.

Managing Startup Programs and Creating Exclusion Lists

Open RegRun Control Center (often accessible via the system tray icon or Start menu).
Navigate to the Startup or Autorun Manager section to review applications launching with Windows.
To prevent specific programs from being flagged, go to Options and then Exclusion list (or White list).
Add trusted applications to this list to prevent RegRun Reanimator from prompting about them in the future.

Reason To Do This: Controlling startup programs enhances system performance and security by preventing unwanted applications from launching. Creating an exclusion list helps avoid unnecessary alerts for legitimate software, streamlining your security management.

Download RegRun Reanimator

File size: 45.3 MB

OS support: Windows

Windows

RegRun Reanimator 18.30.2026.525 (Portable)

Technical Requirements

Minimum

OS: Windows XP, Vista, 7, 8, 8.1, 10, 11, Server 2003, 2008, 2012, 2016, 2019
RAM: 2 GB RAM
Disk Space: 200 MB or more

Main Features

Comprehensive Malware Removal: RegRun Reanimator is designed to detect and eliminate a wide array of threats, including Trojan horses, viruses, rootkits, adware, spyware, fileless malware, and coin-miners, ensuring a thorough system cleanup.
Advanced Registry Protection: The software actively monitors the Windows registry for unauthorized modifications by malware, restoring original settings post-infection and providing control over auto-starting applications to prevent malicious persistence.
Daily Threat Database Updates: To combat evolving cyber threats, RegRun Reanimator receives daily updates to its malware database, ensuring it can identify and address the latest versions of hacking software and malicious programs.
System Repair Capabilities: Beyond removal, the tool includes routines to repair system damage caused by virus attacks, such as unlocking the Windows Task Manager or Registry Editor, helping to restore system functionality.
Non-Conflicting Operation: RegRun Reanimator is built to cooperate seamlessly with existing antivirus products like Avast, Kaspersky, or Windows Defender, providing an additional layer of security without causing conflicts.
Lightweight System Footprint: The program is optimized to consume minimal system resources, ensuring it takes up little space and does not slow down your computer during operation, maintaining overall system performance.
Assisted Malware Analysis: For complex infections, users can send a detailed system report to the Greatis Support Team, who then analyze it and provide a custom RNR file to execute a precise malware removal routine.

Technical Details

Software Name	RegRun Reanimator
Version	18.30.2026.525
License	Freeware
File Size	45.3 MB
OS Support	Windows
Language	English
Developer	Greatis Software
Homepage	https://www.greatis.com/security/reanimator.html
Changelogurl	https://greatis.com/security/news.htm
Last Updated	October 29, 2025

Installation Steps

Show Installation Steps

Installation Steps

Click the download button above to get the installer for your operating system.
Locate the downloaded reanimator.zip file and extract its contents to a folder on your hard drive.
Open ReanimatorStart.exe (or Reanimator.exe) and follow the on-screen installation wizard to complete setup.
For initial malware removal, open RegRun Reanimator, click the Fix Problem button, then Fix Malware Issues to start an automated scan.

Compatibility: Compatible with Windows XP and later versions, including 32-bit and 64-bit systems.

Troubleshooting

Show Common Issues

Issue: Installation fails or program doesn’t run → Solution: Ensure you have extracted all files from the ZIP archive and run the installer as an administrator.
Issue: False positives detected → Solution: Use the option to mark items as false positives or send a report to the Greatis Support Team for analysis.

Questions & Answers

Is RegRun Reanimator free to download and use?

Yes, RegRun Reanimator is provided as freeware for personal, non-commercial use on Windows operating systems. You can download and install it without any cost.

How does RegRun Reanimator work to remove malware?

RegRun Reanimator scans your system for various malware types, including rootkits, Trojans, and adware. For automated removal, you can use its Fix Problem feature. For persistent or complex infections, it allows you to send a system report to the Greatis Support Team, who then provide a custom RNR file to execute a tailored removal process.

Can RegRun Reanimator be used alongside other antivirus software?

Yes, RegRun Reanimator is designed to be compatible and cooperative with other antivirus products, such as Avast, Kaspersky, or Windows Defender. It acts as an additional layer of security, focusing on sophisticated threats that might be missed by standard antivirus programs.