Antivirus programs are essential tools we all rely on for protection against potential virus and malware attacks. Unfortunately, total security doesn't exist, but we do have many ways to protect ourselves, some of them quite unusual. For example, in this article, we'll see how to remove viruses without antivirus software on Windows.
Removing viruses without antivirus software? Is that possible? Absolutely. There are some interesting methods we can use to remove malware or harmful programs from our Windows PC that have sneaked in uninvited.
It's important to note from the outset that the methods we'll discuss here are not intended to replace security programs that keep the most dangerous viruses at bay. In other words, there's no reason to forgo a good antivirus program, but it's helpful to know that other alternatives exist that can be used in conjunction with it.
If you suspect your PC has been infected by a virus and want to remove it, here are some methods you can try before your antivirus software kicks in:
Task Manager
We've seen before how the Windows Task Manager can be an effective tool for solving all kinds of problems. Well, it can also be used to try to remove viruses without antivirus software. Since this manager allows us to view the status of all the processes running on our PC, we can also detect the presence of malicious programs and take action against them . Here's what we need to do:
- First we start the Task Manager with the key combination Ctrl + Alt + Delete
- Once the administrator is started, we go to the tab "Processes".
- Then comes the hardest work: review the entire list of processes in detail, tried to identify the problem. In general, it is usually a program that does not sound familiar to us (we do not remember having installed it) and that is consuming a lot of resources.
- To delete it, we click on it with the right mouse button and select "File location" to proceed to its elimination.
Review recent downloads and installations
A very common way viruses infect our computers is by infiltrating a seemingly harmless file that we download from a website or email. Or even through the installation of a simple Chrome or Mozilla Firefox extension.
First, access the folder where the files are downloaded and review the downloads from the date the problems started. If in doubt, delete the suspicious file using the path Start > Control Panel > Applications > Uninstall.
If it is a "problematic" extension, you must go to the menu in the upper right corner of the browser, access the "Settings" tab and click on "Extensions". There we can review them all and, if necessary, eliminate the one that could host the virus.
Windows MRT Function
MRT: Malicious Software Removal Tool. This is a well-known tool in the Microsoft operating system that, on certain occasions, can be very effective at removing viruses without having to use antivirus software.
How does it work? Simply go to the Start menu, search for MRT, and open the tool. Then, proceed with a full system scan. It doesn't have the precision and power of a traditional antivirus, but it works in many cases. It's important to emphasize this point: it's not a true antivirus, but rather an excellent add-on.
Restore the system
Another good way to remove viruses without antivirus software is to reset the system. This is the best thing to do if you suspect a virus on your PC that could seriously damage one of your computer's systems.
The goal is to restore the entire system to a previous state where everything was working correctly—that is, before the virus infection occurred.
How is it done? Actually, it's a bit of preparation: it's a good idea to regularly create backups that you can revert to when situations like these arise. We explain everything in detail in the following post: How to restore Windows 11 to a previous restore point.
Format the hard drive
When all else has failed, and we are still determined to eliminate a virus without the help of an antivirus, we must resort to a drastic, albeit definitive, option.
However, it's important to understand that formatting a hard drive means erasing all the data on the disk. Think carefully about what you're doing and, in any case, back up everything on your PC that you might need in the future.
To perform this operation correctly, we recommend following the instructions detailed in this post: How to format a laptop with Windows 10.