The 7 Best Free Online Virus Scan and Removal Sites
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It is highly likely that you’ve had some sort of experience with a computer virus. If not, you’re one of the lucky ones. But you can never rest, especially if you’re running Windows.

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Online free antivirus apps are no match for a standalone antivirus tool. Let’s make that clear. However, an online antivirus scan is a handy tool in a pinch. Perhaps it is an unfamiliar PC acting strangely? Or the computer of a relative acting up? It’s time for a virus scan.

Below are four of the most reliable online free antivirus scan and removal tools, plus a few individual file analysis tools, too.

The Best Online Antivirus Scanners

The following are the best online antivirus scanners. These offer a full system scan, analysis, and some file removal. However, it is important to note that an online virus scan cannot replace an offline antivirus suite.

These online scanners do not offer real-time analysis and protection, so you cannot rely on them to keep your system secure. (Check out the best free antivirus software! The 10 Best Free Antivirus Software The 10 Best Free Antivirus Software No matter what computer you're using, you need antivirus protection. Here are the best free antivirus tools you can use. Read More )

Also, please note that not all of these scans run in your browser. For example, to use the Panda Cloud Cleaner, you must download the online antivirus scanner tool to complete the quick scan.

1. Panda Cloud Cleaner

online antivirus panda cloud cleaner

Panda Cloud Cleaner takes over from Panda’s previous online antivirus scanner, Panda ActiveScan. The Panda Cloud Cleaner comes with more features than its predecessor. For instance, you can use Cloud Cleaner to kill all unnecessary processes before starting your scan.

Doing this gives the Cloud Cleaner a better chance of discovering malicious files hiding behind real processes.

Panda Cloud Cleaner is very easy to use. Once the scan completes, select the malicious files to remove, and you’re good to go. However, Panda Cloud Cleaner can take quite a while to finish its scan, so perhaps choose another option if you are in a hurry.

2. ESET Online Scanner

online antivirus eset online scanner

The ESET Online Scanner is one of the most thorough free online antivirus tools. It has a simple UI that is easy to use. ESET Online Scanner allows you to choose between a full, quick, or custom scan. Plus, you can also choose whether to quarantine and remove any malicious files automatically.

This is quite handy if the online antivirus scanner throws up any false positives.

3. Google Chrome

online antivirus chrome scan

Wait, what? Google Chrome has an antivirus scanner How to Unlock Chrome's Built-In Malware Scanner How to Unlock Chrome's Built-In Malware Scanner Chrome has a built-in malware scanner that can help you remove harmful software. Here's how to access this useful feature. Read More ? That’s right; you can scan your system files for nasties directly from Google Chrome. It does a decent job, too. As Chrome is the most popular browser around the world, there is a strong chance you already have it installed.

To use the Google Chrome free online antivirus scanner, copy and paste chrome://settings/cleanup in your Chrome address bar. (It won’t work from a different browser.) When the page loads, select Find, and wait for the antivirus scan to complete.

4. F-Secure Online Scanner

online antivirus f-secure scan

F-Secure’s Online Scanner is the fastest free online antivirus scanner on this list. The F-Secure Online scanner finds the majority of malware, too, and doesn’t require installation.

Of the free online antivirus scanners, F-Secure Online Scanner is the most basic. You don’t choose which files to scan; the Online Scanner covers your entire system. Given the speed of the scan, it isn’t an issue. The lack of options has a plus side, too: F-Secure Online Scanner is incredibly easy to use.

Individual Malicious File Scanners

Individual malicious file scanners differ from an online antivirus scan in that you provide a single file sample, instead of scanning your entire system for malware or otherwise. The onus is on you to scan a file before executing it on your system, rather than quarantining after the infection takes place.

However, you can figure out if a file is malicious and what is wrong with it, while helping security researchers update their definitions.

Again, an individual malicious file scanner is in no way a replacement for an antivirus suite on your device.

1. VirScan [No Longer Available]

online antivirus virscan malicious scan

VirScan allows to you upload a file (up to 20MB limit per file) for analysis against a massive database of malicious file definitions. The definitions come from around the world, taken from other antivirus programs.

You can also upload a ZIP or RAR file, but it must contain 20 compressed files or less.

2. VirusTotal

online antivirus totalvirus malicious scan

VirusTotal allows you to search its database using an individual file, a URL, an IP address, a domain, or a file hash. In that, VirusTotal offers the widest range of tools and has one of the most extensive databases of malicious files and file signatures.

Like VirScan, VirusTotal pulls in definitions from all across the internet. Another VirusTotal feature is analysis-by-email. You can send your suspect file directly to VirusTotal (files up to 256MB), and they’ll respond with the file status.

3. MetaDefender

online antivirus metadefender malicious scan

MetaDefender takes definitions from over 30 antivirus tools and analyzes your file for malicious activity. The process is the same as the other tools, while MetaDefender allows you to scan from a file, an IP address, a URL or domain, as well as a CVE (Common Vulnerability and Exposure).

The MetaDefender UI is slick and offers different analysis options.

What’s the Best Online Antivirus Tool?

If you want a rapid online scan with great results, try F-Secure Online Scan. It is easy to use, takes minutes, and hits the majority of malware.

These free online antivirus scanners are great, but they are not an effective preventative against malware. They do not offer real-time scanning and protection. In the modern world, that’s going to lead to a world of pain.

You don’t have to shell out a fortune for antivirus software. You don’t have to shell out anything if you don’t want to! There are many free and excellent antivirus and antimalware tools. Check out our recommended security tools and antivirus apps The Best Computer Security and Antivirus Tools The Best Computer Security and Antivirus Tools Concerned about malware, ransomware, and viruses? Here are the best security and antivirus apps you need to stay protected. Read More , but keep in mind that these aren’t enough to protect you from code-signed malware What Is Code-Signed Malware and How Do You Avoid It? What Is Code-Signed Malware and How Do You Avoid It? Code-signed malware is a new threat for computer users. How can you protect your PC and data from code-signed malware? Read More .

Explore more about: Anti-Malware, Computer Maintenance, Online Security.

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  1. Grout Colorseal Montgomery
    January 19, 2011 at 9:51 am

    Thanks for the useful info. I love to read your topic and it is very interesting.

  2. Roger
    January 8, 2011 at 7:17 am

    After reading this blog I feel that I have gain a lot of good information regarding the topic which will definitely help me in future. Blogs like these should be really kept updated such as this blog.I personally thank to this blogger for doing such a great work.

  3. Grout Cleaning Montgomery
    January 7, 2011 at 10:51 am

    Thanks for the this article. I was wondering how to integrate friendfeed with my blog but hadn't done the research yet.

  4. Badstar
    November 21, 2010 at 8:41 pm

    have used housecall which found virus's when my full time anti virus found nothing, Highly recommended

  5. Jason Harris
    November 19, 2010 at 3:38 am

    Also - for everyone else - I work with BitDefender and am happy to answer any questions..let me know :)

    -Jason

    • kenneth
      November 26, 2015 at 7:47 am

      i cant download or do a scan with bitdefender. why is that so?

  6. Jason Harris
    November 19, 2010 at 4:38 am

    Also - for everyone else - I work with BitDefender and am happy to answer any questions..let me know :)

    -Jason

  7. Waitingintn16
    November 10, 2010 at 4:55 pm

    Sunbelt Software makes an outstanding product called Vipre...which you can download for a 30 day free trial...fully functional...or if you're system is so messed up that you can't, you can get their "Vipre Rescue" which is a command line scanner that works wonders and can even run from a USB drive. Sunbelt was purchased by GFI recently, but they seem to be leaving a great product line alone (for now). you can find them at (http://www.sunbeltsoftware.com/home-home-office/vipre/ ) or Vipre Rescue at ( http://live.sunbeltsoftware.com/ ). I've worked in enterprise environments using Norton and McAffee and lots of the ones mentioned are excellent...but I know from experience that this one works GREAT! (and no, I don't work for them! :)

  8. Waitingintn16
    November 10, 2010 at 5:55 pm

    Sunbelt Software makes an outstanding product called Vipre...which you can download for a 30 day free trial...fully functional...or if you're system is so messed up that you can't, you can get their "Vipre Rescue" which is a command line scanner that works wonders and can even run from a USB drive. Sunbelt was purchased by GFI recently, but they seem to be leaving a great product line alone (for now). you can find them at (http://www.sunbeltsoftware.com... ) or Vipre Rescue at ( http://live.sunbeltsoftware.co... ). I've worked in enterprise environments using Norton and McAffee and lots of the ones mentioned are excellent...but I know from experience that this one works GREAT! (and no, I don't work for them! :)

  9. Jimmy
    November 4, 2010 at 12:18 pm

    OK.
    At this stage I have run 4 online scans, and I would love to have your comments.
    I would especially value the opinions of Aibek.

    Bit Defender, Housecall, and Eset all gave me a clean bill of health.
    Panda Active Scan, having scanned only 14%, had already found 1109 infections.
    Does this mean that Panda is by far the best at doing it's job, and that the other three are useless?
    Or, maybe, that the difference is that you have to pay for Panda to remove infections?
    All comments welcome.
    Thanks.

  10. Johnim
    November 4, 2010 at 12:17 pm

    this is very helpful. thanx for sharing with every1...
    try this link http://www.fastatlastreviews.c...

    they give free antivirus

  11. Jimmy
    November 4, 2010 at 1:18 pm

    OK.
    At this stage I have run 4 online scans, and I would love to have your comments.
    I would especially value the opinions of Aibek.

    Bit Defender, Housecall, and Eset all gave me a clean bill of health.
    Panda Active Scan, having scanned only 14%, had already found 1109 infections.
    Does this mean that Panda is by far the best at doing it's job, and that the other three are useless?
    Or, maybe, that the difference is that you have to pay for Panda to remove infections?
    All comments welcome.
    Thanks.

  12. Johnim
    November 4, 2010 at 11:17 am

    this is very helpful. thanx for sharing with every1...
    try this link http://www.fastatlastreviews.com

    they give free antivirus

  13. Jimmy
    November 4, 2010 at 9:32 am

    Bit Defender gave me the all clear while Panda, having run only 14%, found 1109 infections.
    What is going on there?
    Who is telling the truth?
    That is only the first two on the list.
    Not very consistent!

  14. Jimmy
    November 4, 2010 at 10:32 am

    Bit Defender gave me the all clear while Panda, having run only 14%, found 1109 infections.
    What is going on there?
    Who is telling the truth?
    That is only the first two on the list.
    Not very consistent!

  15. Jordan
    November 3, 2010 at 6:27 pm

    Sadly Panda Activescan stopped offering virus removal some time ago, only virus identification.

    This should be removed as others offer both detection and removal
    (ex: Eset, and TrendMicro)

    Kaspersky previously offered an online virus scan but it is currently "down for upgrades."
    I do not know if the new system will include removal, but it is worth watching.

    http://www.kaspersky.com/virus...

  16. CG
    November 3, 2010 at 3:29 pm

    Eset is the best online scanner!!!

  17. Xtlman
    November 3, 2010 at 2:45 pm

    I have used HouseCall for several years as a supplement to my installed virus scanner. It was the first one to detect Melissa when my other installed system failed to detect it. I can highly recommend it.

  18. Wilma2456
    October 31, 2010 at 8:33 am

    House call sucks balls

  19. ops
    October 29, 2010 at 11:09 am

    I use Virustotal with VirusTotal uploader, very comfortable.

    http://www.virustotal.com/adva...

  20. ops
    October 29, 2010 at 9:09 am

    I use Virustotal with VirusTotal uploader, very comfortable.

    http://www.virustotal.com/advanced.html

  21. Jeff Thomas
    October 29, 2010 at 10:21 am

    Have you tried Eset Online Scanner? Very Good from a very reputable company! http://www.eset.com/online-sca...

  22. Jeff Thomas
    October 29, 2010 at 8:21 am

    Have you tried Eset Online Scanner? Very Good from a very reputable company! http://www.eset.com/online-scanner

  23. Jharris
    October 29, 2010 at 6:39 am

    I work with BitDefender and I'd love to talk to the author of this post. Please drop me a line - jharris <at> bitdefender <dot> com</dot></at>

  24. Jharris
    October 29, 2010 at 4:39 am

    I work with BitDefender and I'd love to talk to the author of this post. Please drop me a line - jharris bitdefender com

    • Aibek
      October 29, 2010 at 9:53 am

      You can reach Tim at tbrookes[at]makeuseof[dot]com

  25. g...
    October 29, 2010 at 3:12 am

    I've used both Trendmicro and Bit Defender and both work excellent.