VirTool:Win32/DefenderTamperingRestore is a common detection tool for harmful files that attempt to start an attack on the computer. When your local antivirus software exhibits an alert about VirTool:Win32/DefenderTamperingRestore, it only means that the presence of a security risk has been identified, but the antivirus software is unsure of its feature. The process to detect VirTool:Win32/DefenderTamperingRestore is based on a template that is included in the program. An extensive diagnosis by the antivirus vendor is required to recover the exact details of the infection.

Illustration for VirTool:Win32/DefenderTamperingRestore

How does it infect the computer?

VirTool:Win32/DefenderTamperingRestore spreads in a variety of ways, usually used by other similar threats. There are conclusions that certain malicious links will direct the victims to a Trojan Horse download page. These links will arrive at the user through spam, instant messaging software, and malicious websites compromised by other threats.

For generic Trojan horse detection, the user can watch the typical alerts posted by the installed anti-virus program. The security software will therefore react on the basis of the Trojan attribute.

How does this malware operate?

When VirTool:Win32/DefenderTamperingRestore operates on the computer, this greatly affects the overall performance of the system. Other variations of this threat can consume more resources than the PC can manage, so it will result in system crashes. All in all, Trojans are made for different purposes. Some of them are designed to steal things like usernames and passwords. Others will attack the system in order to eliminate more threats and run on the same device. Furthermore, variants have been created to enable remote access to the infected computer. Given that VirTool:Win32/DefenderTamperingRestore is a generic detection, the files identified on your system may include any of the tasks mentioned.

The latest versions of malware from the VirTool:Win32/DefenderTamperingRestore group are in several parts. It just means that the first attack may trigger successive attacks until the final targets are met. Rootkits are also used by the Trojan horses to hide their presence once they run on the assigned computer. In addition, Rootkits adds its own code to vital Windows files and processes, which most often causes permanent damage to the operating system.


In the event that a computer becomes infected with VirTool:Win32/DefenderTamperingRestore, individuals may encounter various symptoms such as system sluggishness, frequent system crashes, and unexpected errors while performing regular tasks. Moreover, users could observe abnormal changes in files or the existence of unfamiliar files, which could suggest malicious actions taking place.

For more help

We have compiled a comprehensive list of VirTool threats on our website, which includes various variants and sub-variants of the virus, along with detailed removal instructions and efficient scanning tools.

How to remove VirTool:Win32/DefenderTamperingRestore?

To totally remove VirTool:Win32/DefenderTamperingRestore from the computer and get rid of relevant viruses and trojans, please execute the procedures as stated on this page. Make sure that you have completely scanned the system with the suggested malware removal tools and virus scanners.

Quick Fix - Scan the PC with Combo Cleaner for Windows

Combo Cleaner is a trusted PC security and optimization tool equipped with a powerful virus and malware detection engine. This program can get rid of hazardous viruses like VirTool:Win32/DefenderTamperingRestore through this procedure.

1. Download the application from the following page:

2. Save the file to your preferred location.

3. Double-click the downloaded file CCSetup.exe and install with the default settings.

CC for Windows Installation

4. At the end of the setup process, click Finish to run Combo Cleaner.

5. The tool will update the signature file, please wait for this process to complete.

6. To begin checking for threats like VirTool:Win32/DefenderTamperingRestore, click on the Start Scan button. Wait for this scan to finish.

CC for Windows Start Scan

7. At the end of the scan process, click on Remove all threats to delete the VirTool:Win32/DefenderTamperingRestore virus, including all malicious objects from the computer.

Free features of Combo Cleaner for Windows include Disk Cleaner, Big Files finder, Duplicate files finder, and Uninstaller. To use antivirus, privacy scanner, and to delete identified threats, users have to upgrade to a premium version.

Please continue with the succeeding removal procedures if you are comfortable manually getting rid of the virus and malicious items linked to it.

Step 1 : Start Windows in Safe Mode With Networking

The method of running Windows in Safe Mode before running a virus scan is effective in getting rid of VirTool:Win32/DefenderTamperingRestore. This process can prevent most viruses and malware from loading, making it easier to detect and remove them.

1. On the Windows Search bar, please type msconfig.

Screenshot of MSConfig Command

2. Select and open System Configutation on the list of found results.

3. Once you are in the System Configuration window, go to the Boot tab.

Screenshot of SafeBoot

4. Under the Boot Options area, please check Safe Boot and select Network. This will allow Windows to boot in Safe Mode with Networking.

5. Lastly, click on Apply and OK to save the changes.

6. Please restart Windows.

Do not forget to restore the normal boot process of Windows after running the virus scan. Simply repeat the method above, and this time, uncheck the Safe Boot option to run Windows normally.

Step 2 : Run a virus scanner

To remove VirTool:Win32/DefenderTamperingRestore, we suggest that you scan the infected computer with this powerful virus removal tool. It can detect and get rid of Trojans, viruses, malware, and adware from the infected computer. To fully protect the computer against VirTool:Win32/DefenderTamperingRestore or similar attacks, you can activate Sophos to have real-time scanning and complete defense against all forms of threats.

1. Download Sophos Virus Removal Tool from the link below. Save the file on your computer where you can easily access it.

2. Once the download completes, browse the location of the file. Double-click to run the program and begin the install process.

3. On the first window of installation wizard, click Next to continue. Then, it will display the program’s License Agreement. You need to Accept the terms in order to proceed. If Windows prompts for User Account Control, please click Yes to proceed.

Screenshot of Sophos EULA Page

4. On succeeding windows, click Next or Continue to carry on with the installation. After completing the installation process, Launch Sophos Virus Removal Tool.

5. An internet connection is required when running this scanner in order to download important updates. Make sure that everything is up-to-date to effectively remove viruses like VirTool:Win32/DefenderTamperingRestore.

6. Click the Start Scanning button to  carry out the Scan. This will check the system for the presence of malicious objects, malware, and viruses. The tool reveals items that were found linked to VirTool:Win32/DefenderTamperingRestore and other suspicious entities. Be sure to remove all identified threats.

Screenshot of Sophos Virus Scan

After executing the above instructions, VirTool:Win32/DefenderTamperingRestore should have been completely removed from the computer. If there are still signs of infection or the computer is displaying unusual behaviors, please continue with the remaining procedures.

Another alternative for Windows 10/11 users is to scan the computer with Microsoft Defender Offline. This will run a virus scan in the recovery environment.

Step 3 : Double Check with Windows Security Apps

Microsoft Windows has a built-in security application that you can use to double-check if your computer is still infected with VirTool:Win32/DefenderTamperingRestore. For Windows 10/11 users, please run Windows Security.

Windows 10 / 11 Instructions:

Windows Security is a free tool that was built to help you remove VirTool:Win32/DefenderTamperingRestore, viruses, and other malicious items from Windows 10/11 systems. Follow these procedures to scan your computer with the tool:

1. Tap or click the Search charm, search for Windows Security, and then open the application.

Image of Windows Security Search

2. On the Home tab, click Virus and threat protection from the sidebar.

3. On the main window, click on Scan Options. Then, click on Full Scan button.

Image of Scan Options

4. Lastly, click on the Scan now button to start scanning for the presence of VirTool:Win32/DefenderTamperingRestore. The process may take a while to complete.

5. After the scan, Delete/Quarantine identified threats, whether they were relevant to VirTool:Win32/DefenderTamperingRestore or not. You may now restart Windows to complete the virus removal process.

For older versions of Windows, you can scan the computer for free with the Microsoft Malicious Software Removal Tool (MSRT 64-Bit). It is a stand-alone virus scanner tool that targets prevalent malware groups.

How to protect the computer from VirTool:Win32/DefenderTamperingRestore?

The initial defense that comes to mind for any computer user is to install an anti-virus or anti-malware program. This move is sensible and probably the most practical way to protect the computer against a VirTool:Win32/DefenderTamperingRestore attack. Hence, keep in mind that having security software does not guarantee full protection. The majority of the prevention still lies in being cautious of users, and therefore, we are providing the following information as guidelines to protect the computer from virus infection.

Avoid Malicious Websites

There are enormous numbers of websites that were made for the primary purpose of spreading VirTool:Win32/DefenderTamperingRestore. Normally, these sites are involved in integrating malicious pop-up and browser hijacker, that will eventually cause further virus infections. Avoid such websites.

Ignore and Delete Phishing Emails

The mass-mailing of computer viruses gives the attackers the luxury of spreading their malicious code in just one send-off. This will arrive in the inbox as an email that appears to be from a legitimate organization. So, if you receive an unexpected email with a link or an attached file, better delete it immediately.

Do Not Click a Suspicious Link

Links from social media, forums, and blog sites are sometimes being utilized by attackers to drive web users to a malicious page that contains malicious code. Therefore, do not just click on any link, especially if it looks suspicious. Accidental access to the destination site may lead to a VirTool:Win32/DefenderTamperingRestore infection.

Be Careful When Downloading Files

Cracked software, serial key generators, and several freeware are seen as another method that spreads the VirTool:Win32/DefenderTamperingRestore virus. Avoid acquiring these types of applications, and if there is a need to download freeware or shareware, be sure to obtain it from the official website or trusted providers.

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