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free anti virus scanIt’s highly likely that you’ve had some sort of experience with a computer virus 8 Best Sources To Follow Computer Virus News & Alerts 8 Best Sources To Follow Computer Virus News & Alerts Read More in the past. If not, then lucky you – but you can never be too safe, especially if you’re running Windows 7 Essential Security Downloads You MUST Have Installed 7 Essential Security Downloads You MUST Have Installed Read More .

Online free anti virus scan apps have been around for a while, and whilst they’re no match for standalone software Best Programs To Keep Your Computer Secure Best Programs To Keep Your Computer Secure Read More they certainly have their uses. Perhaps you’re on an unfamiliar PC that’s acting a little strange? Or maybe your existing software has been disabled, and you’ve frantically restarted in Safe Mode looking for a solution.

Below you will find 4 websites to check and verify that your PC is virus free, and 3 to upload and check individual files to help prevent an outbreak. Let the scanning begin!

Online PC Scanners

BitDefender QuickScan

free anti virus scan

This free scanner will work in all major browsers, and requires a quick addon to be installed before you can scan. Simply visit the site, click Scan Now, agree to the installation and accept the EULA.

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Your PC will then be scanned in record time to let you know whether or not you’ve got any nasty viruses, trojans How To Get Rid Of A Trojan Horse Virus That Won't Go Away How To Get Rid Of A Trojan Horse Virus That Won't Go Away Read More or other malware hiding in your PC’s memory. It won’t scan your whole hard drive, but if your PC is acting up 10 Quick Fixes to Make your Windows Computer Faster 10 Quick Fixes to Make your Windows Computer Faster Read More and you suspect malicious software is to blame, QuickScan should find it.

Panda ActiveScan

free online virus scan

Unfortunately ActiveScan will only work with Internet Explorer or Firefox 6 Reasons Why Mozilla Firefox Is Safe Compared To Internet Explorer 6 Reasons Why Mozilla Firefox Is Safe Compared To Internet Explorer Read More , although Panda recommends you install the IE Tab Classic extension for compatability if you’re running Chrome 5 Chrome Extensions For Faster Navigation 5 Chrome Extensions For Faster Navigation Read More .

For a quick scan of running processes choose Quick Scan or if you’d prefer to delve a little deeper you can opt for a Full Scan. Once you’ve chosen click Scan now and you’ll be prompted to download either an extension (if you’re running Firefox) or an ActiveX control How Installing an Active X Control Can Open The Door To Hackers How Installing an Active X Control Can Open The Door To Hackers Read More (if Internet Explorer’s your thing).

The scanner will update its definitions and then run the scan of your choice before delivering the good or bad news.

TrendMicro Housecall

free online virus scan

Housecall is completely browser independent, which means you can access it from any web browser. It achieves this by packaging the scanner into a small executable file which when run scans your PC for any signs of malware.

There are two versions to choose from – 32bit and 64bit What Is The Difference Between 32-bit & 64-bit Windows? What Is The Difference Between 32-bit & 64-bit Windows? Read More – and you should make your choice based on your operating system. In case you’re wondering what version you’re running, open Control Panel in your Start menu and choose System. Once you’ve downloaded the file, run it and the definitions will be updated for you.

After you’ve accepted the EULA click Scan Now to see what’s lurking on your PC.

F-Secure Online Scanner

free online virus scan

Utilising the Java platform Top 5 Websites for Java Application Examples Top 5 Websites for Java Application Examples Read More to check your PC for nasties, F-Secure should run in any browser provided you’ve got Java installed and JavaScript What is JavaScript and How Does It Work? [Technology Explained] What is JavaScript and How Does It Work? [Technology Explained] Read More enabled. To launch the scanner you must accept the license terms by checking the box and then click Run Check.

You’ll need to authorise the Java applet to run before the scanner will launch in a separate window. You’re then free to choose between Quick Scan, Full Scan and a customized My Scan (where you choose which bits of your hard drive to check).

Once you’ve chosen the scanner will update its definitions (it’ll take a few minutes, but stick with it) and your PC will be checked for problems.

Individual File Scanners

VirScan

free virus scan

The VirScan service allows you to upload a file (up to 20MB) and check it against more than 30 other sets of definitions from the web’s finest anti-virus solutions.

You can upload .ZIP and .RAR files The Top 3 File Compression & Extraction Softwares The Top 3 File Compression & Extraction Softwares Read More with a maximum of 20 compressed items, and even give the archive a password of “infected” or “virus”. Simply click Choose File followed by Upload and your file will be scanned, showing you the results in your browser.

VirusTotal

free virus scan

With support for both file upload and URL checking VirusTotal is a popular online virus scanner (so check the server load before you submit). Not only can you upload via the web form on the homepage, but you can email your files (again, 20MB maximum filesize) to scan@virustotal.com with “SCAN” in the subject field.

You will then receive your results via email once your scan has been complete. Much like VirScan, VirusTotal uses a database of definitions assembled from all over the web.

Jotti

free anti virus scan

Operating much in the same way as the previous two engines, Jotti allows you to upload a file of 20MB or less for submission to a selection of the web’s anti-virus engines.

You should know the drill by now – click Choose File and then Submit file to receive your results.

Conclusion

Online solutions are a great way to protect your data but these services are still no match for installing a dedicated virus scanner on your machine. There’s plenty of completely free solutions out there, some of which have adverts and the odd pop-up and others that just sit there and do their job.

We’ve got a list of the 10 best right here The 10 Best Free Anti-Virus Programs The 10 Best Free Anti-Virus Programs Read More , and it’s also worth watching out for spyware with programs like Malwarebytes Stop & Delete Spyware With Malwarebytes for Windows Stop & Delete Spyware With Malwarebytes for Windows Read More and Spyware Terminator Spyware Terminator - Free Real-time Spyware Protection Spyware Terminator - Free Real-time Spyware Protection Read More . No virus scanner is completely immune to attack, and the best thing to use whilst browsing the web is your common sense.

Have any of these services helped you out in the past? Ever tackled a particularly vicious virus? Got any security tips? Sound off in the comments.

Intro Image: Shutterstock

  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.

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