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The Best Portable Antivirus Software for Windows

Antivirus applications are basically considered as one of the “must-have” programs for any PC. They actually help us in securing your PC (and the data on it) against all kinds of viruses, spyware, and much other malicious software as well. Now, if you guys have a capable antivirus program installed on your computer, then there is actually nothing to worry about. However, what if you are work on another PC (e.g. a computer in a public library), that does not have antivirus software installed actually? Well, that’s where the portable antivirus software basically comes into the picture. In this article, we are going to talk about The Best Portable Antivirus Software for Windows. Let’s begin!

Like most of the portable apps, these antivirus programs do not actually need to be installed on your PC. You guys can carry them anywhere in, say, USB drives, and make sure that your systems are safe to use. Today, we are going to have a look at the best portable antivirus software that you can depend on.

The Best Portable Antivirus Software for Windows

So, in this article, we are now going to share some of the best free Portable Antivirus software that you guys use on the Windows operating system. The great thing is actually that it can actually run without installation. So, let’s now explore the list of best portable antivirus software.

Norton Power Eraser


  • Powerful virus removal
  • Uses Norton cloud definition
  • Signature-based detection engine
  • Can be booted from the USB drive


  • Can remove even safe programs

portable antivirus

Norton is really a well-known antivirus software that provides different security services. The Power Eraser from Norton is actually a portable utility antivirus that can detect and delete malware, viruses, and many other security threats from your PC.

The best feature of this antivirus is actually Reputation Scan, and this feature basically helps you to send the files or folders to the Sysmentac server, so that it is scanned via detection based search engines actually. If you guys have more than one operating system installed on your computer, then you guys can configure this antivirus in order to scan a particular one.

Download – Norton Power Eraser

Comodo Cleaning Essentials


  • Lightweight
  • Cloud scanner
  • Removes root-kits
  • KillSwitch support
  • Real-time safety reports


  • Decent cloud definition database

portable antivirus

If you guys want a powerful go-to antivirus, then Comodo can be a really great option for you. This antivirus scans and deletes any type of virus, bad registry key, and rootkits on your PC. It is integrated along with the cloud scanners of comodo, which provides safety reports in realtime. This antivirus also has a submodule, that Kill switch actually.

It also helps you to evaluate the running programs and network connection for viruses as well. And if it gets any threat, it then also terminates them forcefully. Autorun Analyzer is also another great feature of this software that basically helps you to handle the program and services during startup as well.

Download – Comodo Cleaning Essentials

Dr.Web CureIt!


  • Very quick
  • Click and run
  • Detects malware and adware
  • Quarantine support


  • Not bootable

portable antivirus

Well, this is also a great option for a portable antivirus for Windows. This antivirus may also have a large download size, however, there is no need to install it. Just tap on the downloaded file, and you guys can start scanning from there. Dr. Web CureIt scans for different viruses, malware, actually.

Well, using their express can scan feature. Whenever the scanning is done, and if in case, it gets any threats or warning, then it will provide you an option in order to terminate those threats. That saves your time from manually deleting them.

Download – Dr.Web Cureit!

McAfee GetSusp


  • Extremely low footprint
  • Click and use
  • Uses cloud definitions
  • Can find undetected malware


  • No virus removal


McAfee GetSusp is actually a new toolkit developed for enterprises, however, general consumers can also take benefit from this portable antivirus. It also allows you to instantly look for malicious programs that are otherwise not detectable via traditional antiviruses. It basically uses a combination of clever heuristics and queries McAfee’s online database of suspicious files in order to detect harmful programs.

Through using this method, McAfee GetSusp is able to find undetected malware on the system actually. The best part about this tool is that it’s extremely lightweight, weighing in at just 3.4MB actually. So that you guys can carry it on your pen drive and instantly run the program in order to disinfect a computer from malware and adware. So now go ahead and get McAfee GetSusp for the best portable antivirus experience as well.

Download – McAfee GetSusp

Zemana AntiMalware


  • Very lightweight
  • Quick scanning
  • Detects malware, spyware, adware
  • Supports removal
  • Cloud definition check


  • No USB support

portable antivirus

Zemana AntiMalware is really popular antivirus that is portable and lightweight. You can also install it on your PC within few seconds and get started with virus removal. Unlike other portable antiviruses, this one does not actually skip on any kind of malicious programs. It also looks for both malware as well as spyware on your system actually and has powerful abilities in order to delete them. On top of that, it also detects rogue browser add-ons, adware, unwanted apps, and much more than that.

Not to mention here, that the scanning process is really fast because it uses its well-sourced cloud definition in order to check file integrity. Through using the cloud as a checkpoint, Zemana basically saves a lot of resource overhead on the local PC as well. That said, Zemana now costs $25 a year if you guys use it for more than 30 days actually. All in all, I would really say, if you are looking for a portable antivirus then Zemana checks almost all of the boxes.

Download – Zemana AntiMalware

Microsoft Safety Scanner


  • On-demand scan
  • Can Run from USB Drive
  • Up to date Malware Definition
  • Detects and remove malware
  • Can undo the changes


  • Expires after 10 days

portable antivirus

The Microsoft Safety Scanner is actually a tool that helps you to get instant scanning of your PC from viruses and malware. It is basically an executable file, so whenever you guys want to run, it then just opens it once without installing it. You guys can also use this with your existing antivirus actually.

Microsoft security scanner is basically designed to give on-demand scanning in order to help delete spyware, viruses, and all other bad stuff. Unlike a traditional program that’s installed on your PC, the Microsoft Safety Scanner is just an executable file that you can actually load into your USB drive.

Microsoft Safety Scanner works along with your existing antivirus software, and it also comes with an updated malware definition database. It is, however, worth pointing out here that this particular scanner expires 10 days after you download it. Thus, it is advised that you download a new one and then run the scan again to make sure your safety.

Download – Microsoft Safety Scanner

Kaspersky Virus Removal Tool

Kaspersky Virus Removal Tool is actually another best free portable tool in order to scan and disinfect Windows computers. But, is not a small-sized program just like its competitors. It needs at least 500MB of free storage space in order to install and the scan results take some time to complete as well. Apart from that, Kaspersky Virus Removal Tool offers a powerful virus scanner that can actually detect hidden malware and virus at ease.

portable antivirus

Download – Kaspersky Virus Removal Tool

VIPRE Rescue Scanner

VIPRE Rescue Scanner is also another top-rated portable Anti-malware solution on the list that can scan and also detect hidden and stubborn malware. The great thing about VIPRE Rescue Scanner is that it basically supports command line scans as well. Apart from that, the scanning process takes longer than usual to complete actually, however, the results are worth the wait. So, VIPRE Rescue Scanner is another best portable Antivirus software for Windows 2019 that you guys can use right now as well.

Download – VIPRE Rescue Scanner

Spybot – Search & Destroy Portable

Spybot – Search and Destroy Portable is actually another top-rated portable malware scanner that can actually detect and delete spyware, malware, and virus from your computer. The user-interface of Spybot – Search & Destroy Portable is really simple and clutter-free and it gives users customized scan mode as well. So, Spybot – Search & Destroy Portable is also another best portable malware scanner for Windows that you guys can use right now.


Download – Spybot

Emsisoft Emergency Kit


  • Lightweight and portable
  • No installation required
  • Both GUI and command-line interface
  • Detects malware and keyloggers
  • Quarantine support
  • Disk Access
  • Batch Scan 


  • None

Emsisoft Emergency Kit

Well, it is not the lightest thing out there actually, however, Emsisoft Emergency Kit packs in some serious punch to remove all kinds of viruses, key-loggers, etc. from any PC. Unlike all other scanners in the list, this one needs a quick installation, as it extracts from program files. When you do it, you can then quickly jump into the scanning process.

Emsisoft Emergency Kit has an easy in order to use interface, where all of the options are neatly listed out on the overview screen. It also includes a command-line scanner actually (along with support for all standard features such as Direct Disk Access), which is perfect in order to run batch scan jobs.

Download – Emsisoft Emergency Kit

Hiren’s BootCD PE


  • Can boot from USB
  • Features two antivirus programs
  • Detect and remove malware
  • Packed with other recovery tools
  • Isolates the infected system
  • Free to use


  • Not lightweight

Generally, Folks use portable antivirus in order to scan an infected computer via isolating it and connecting the system via another recovery environment. If you guys are also one of those users then you can try out Hiren’s BootCD PE (HBCD) actually. It’s one of the most famous recovery environments that offer you all sorts of tools to rescue your computer actually.

It basically comes with two antivirus programs: ESET Online Scanner and Malwarebytes Anti-Malware. And you can use them to delete malicious programs without even booting your PC. Also, the best part is that you guys can flash HBCD on a USB drive and then boot into a secure environment. In order to perform all sorts of rescue operations without even the fear of data loss. I know it’s by no means a lightweight program to recover your system, however, it gets the job done as well.


Alright, That was all Folks! I hope you guys like this article and also find it helpful to you. Give us your feedback on it. Also if you guys have further queries and issues related to this article. Then let us know in the comments section below. We will get back to you shortly.

Have a Great Day!

Also See: The Best Origami Apps for Android that You can Use

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Windy Moore

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