Antivirus software is necessary for any device. If you already have an antivirus installed on your computer, it’s all good. This Software helps you protect your PC from viruses, spyware, malware, and malicious programs.
Plenty of antivirus companies offer a portable version of their antivirus. But if you regularly work on a different computer with an antivirus installed. Then, getting a portable antivirus would be a great deal for you.
Why Use a Portable Antivirus Program?
In most cases, we can work on another computer rather than a personal one. However, there is a chance that they didn’t install any antivirus on their PC, and it’s infected with a virus that affects your USB drive and your work.
So there is portable antivirus, which works like regular antivirus, but its program files are permanently installed within its folder, allowing it to be carried from computer to computer anywhere.
Best Portable Antivirus Software for Windows 11, 10 PC in 2025
Like all other portable software, portable antiviruses do not require installation on the computer. Instead, you must carry them using any removable drive or download them online. So, check the best portable antivirus software you can use on Windows.
1. Norton Power Eraser
Norton is a well-known antivirus software that provides additional security. For example, Norton Power Eraser is a portable utility antivirus that detects and removes malware, viruses, and other security threats from your PC.
The best feature of this antivirus is Reputation Scan, which helps send files or folders to the Sysmentac server so detection-based search engines can scan them.
If you have more than one operating system installed on your computer, you can configure this antivirus to scan a particular one.
2. Microsoft Safety Scanner
The Microsoft Safety Scanner is a tool that helps you get instant scanning of your computer from viruses and malware. It is an executable file that opens once without being installed whenever you want to run it. Of course, you can also use this with your existing antivirus.
This antivirus expires every ten days, so you have to download it again and run from there. You can directly download it from Microsoft’s website.
3. Zemana Antimalware
This is one of the most reliable and robust portable antiviruses for Windows. It has a clean and fast interface and works on almost every Windows version. In addition, Zemana Antimalware offers several features, such as a protection guard, scan scheduling, smart quarantine, etc.
But this antivirus comes with only a 15-day free trial. After that, you have to update to premium. So, if you want an antivirus with a superfast scan time and fewer system resources.
4. Comodo Cleaning Essentials
If you want a powerful go-to antivirus, Comodo can be a great option. This antivirus scans and removes viruses, harmful registry keys, and rootkits on your computer. It is integrated with Comodo’s cloud scanners, giving real-time safety reports. This antivirus also has a submodule, the Kill switch.
It helps you evaluate running programs and network connections for viruses, and if it detects any threat, it also terminates them forcefully. Autorun Analyzer is another great feature of this software that helps you manage programs and services during startup.
5. Avira PC Cleaner
It is one of the most renowned software companies in computer security. This antivirus is an easy-to-use portable virus scanner available for Windows. The interface of this Software is primary but looks very clean and organized.
It is built on Avira’s powerful antivirus engine. Its functions are also not very complex. You have to click on scan, and if it finds any threat, you can remove it directly.
6. Dr. Web CureIt!
This is also an excellent option for a portable antivirus for Windows. Although it may have a large download size, installing it is unnecessary. Instead, click on the downloaded file to start scanning. Dr. Web CureIt scans for different viruses, malware, etc.
You are using their express scan feature. When the scanning is done, and if it gets any threats or warnings, it will allow you to terminate those threats, saving you time from manually deleting them.
7. McAfee GetSusp
McAfee GetSusp is a fantastic portable antivirus for local users and large corporations. Its best feature is searching for unrecognizable harmful programs by another antivirus. McAfee’s online database is periodically updated to identify malicious programs and suspicious files not detected by another antivirus.
The most significant benefit of this program is that it does not occupy any space on the hard disk since it’s only 3.4MB. Thus, it can be used with pen drives or flash drives. We recommend that you get McAfee GetSusp for a fantastic experience.
8. Emsisoft Emergency Kit
It’s not the tiniest product available, but the Emsisoft Emergency Kit packs a formidable impact when eliminating keyloggers, shortcut viruses, and other types of malware from your computer. Unlike the other scanners on this list, it requires only a few minutes to set up because it can extract the program files. After that, it is time to begin the scanning.
Emsisoft Emergency Kit has an easy interface, with every option neatly displayed on the Overview screen. It also includes the ability to run a command-line scanner (which includes all the basic features, including Direct Disk Access) to run batches of scans.
9. Kaspersky Virus Removal Tool
Kaspersky is well-known for being near the top of all significant antivirus tests. Therefore, it is no surprise that the Virus Removal Tool is among the top antivirus scanners available. KVRT has seen some changes in the last few days and is now without configuration options. The program is self-contained and can only extract the virus database into its Windows Temp folder.
10. Avast Rescue Disk
Install Avast Antivirus on another computer and then use it to create a Rescue Disk on a USB drive. Avast can be utilized to create a Rescue Disk like the Hiren BootCD PE. This Avast Rescue Disk can remove the system infected and eliminate malware.
Then, connect the computer to the one that is infected. Then, a light Avast program will scan your PC for suspicious data. In this way, you won’t be worried about becoming affected again. Indeed, the process isn’t as easy as you’d expect. If your PC is infected by malware, a recovery disk that can boot Rescue Disk is your only alternative.
11. Intel McAfee Stinger
McAfee Stinger is a stand-alone program that detects and removes viruses. It is not a replacement for complete anti-virus protection but a specialized tool to help administrators and users deal with infected systems. The Readme file contains information about new or improved signatures for each Stinger release.
Real Protect, a real-time behavior detection solution that monitors suspicious behavior on an endpoint, is now included in Stinger. It detects zero-day malware in real-time by leveraging machine learning and automated behavioral-based classification in the cloud.
12. Intel McAfee RootkitRemover
McAfee RootkitRemover is a stand-alone program for detecting and removing sophisticated rootkits and associated malware. It can detect and remove the ZeroAccess, Necurs, and TDSS families of rootkits. McAfee Labs hopes to support other rootkit families in future product versions.
From Editor’s Desk
These are the top portable antiviruses for Windows 11/10 PCs. Portable antivirus becomes much easier when you frequently use other systems that do not have antivirus. These antiviruses do not require installation and can be used with a single click.
