A Handy List of Free Online AntiVirus Scanners


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A computer without any AntiVirus is like a house without guards or doors. AntiVirus has the same importance as house guard has. All AntiVirus are not of same capability. Some are strong and others are stronger. The remaining are strongest. Whatever, it is impossible for any AntiVirus to protect you 100% from eThreats. This means you need two parallel installed AntiViruses.
Here is the problem. There are 98% chances that your computer will crash if you have two or more AntiVirus installed at the same time in one computer. Then how to protect your from eThreats? To solve this problem, different companies provide free Online AntiVirus Scanners. These scanners can not provide you real time protection from eThreats but onDemand scanning makes it clear the security condition of your computer.
I also use these online AntiVirus scanners from time to time along with my installed BitDefender Internet Security 2009 on one computer and on other computer Avira PSS 9. Here is a list of good online AntiVirus scanners. Scan your computer at least once a week with online AntiVirus scanner to make sure that you are Virus free. Remember! Online AntiVirus Scan is not the alternative to your installed AntiVirus.
BitDefender Online Virus Scan:

* Superior proactive detection. BitDefender is well known for its ability to detect new and unknown viruses for which signatures have not been released yet.
* Virus and spyware cleaning. Powerful scan engines detect and remove all viruses and spyware.
* Always up-to-date. The virus signatures are updated automatically each time the product is launched.
* Effective right away. The scanner is configured to automatically clean all infected files.
* Convenient. Double-checks the security status of your PC even if you already have an Antivirus program installed.

ESET Online Scanner:

ESET Online Scanner is a user friendly, free and powerful tool which you can use to remove malware from any PC utilizing only your web browser without having to install anti-virus software. ESET Online Scanner uses the same ThreatSense® technology and signatures as ESET Smart Security/ESET NOD32 Antivirus, and is always up-to-date.

Kaspersky Free Virus Scan:

This free online virus scanner is very powerful and scans your machine very deeply, so it could take hours to complete. We suggest running it during a time of low activity. Take the Kaspersky Challenge and see what malware your current antivirus software missed – you may be surprised. Remember! It will not clean any indentified Malware. You need to install Kaspersky AV to remvoe identified Malware.

Panda ActiveScan:
ActiveScan 2.0 is an advanced online scanner based on Collective Intelligence (scanning in-the-cloud) that detects malware that traditional security solutions cannot detect.

*Greater detection capacity
Panda ActiveScan 2.0 detects and eliminates more threats than traditional antivirus solutions thanks to its latest generation technologies.
*Real-time scanning
ActiveScan 2.0 is based on ‘collective intelligence’ (scanning in-the-cloud), a security system that offers real-time, proactive protection.
*Always up-to-date
Always up-to-date to combat the latest threats with the latest technologies, as it is an online scanner.
*Compatible with other installed protection
ActiveScan 2.0 complements other protection, so there is no need to uninstall your current security product.
*Supports Internet Explorer, Firefox and Vista

ActiveScan 2.0 is one of the few online scanners compatible with Firefox and Windows Vista.
The best deal is register yourself which gives you the ability to clean your computer from infections.
Symantec Security Check:

Symantec Security Check tests your computer’s exposure to a wide range of online threats. It’s free and an effective tool that helps determine your Internet security needs. You will find two scans, one for Virus detection and the other to check your online security.

Trend Micro™ HouseCall:

Trend Micro™ HouseCall is an application for checking whether your computer has been infected by viruses, spyware, or other malware. HouseCall performs additional security checks to identify and fix vulnerabilities to prevent reinfection.

CA Online Threat Scanner:

The CA Online Threat Scanner scans your computer for viruses and spyware and can detect malware threats from within your web browser. You can use the scanner but it will not remove any infection. To remove infection, you have to use regualr AntiVirus.

F-Secure Online Scanner:

Online Scanner can help get rid of viruses and spyware causing problems on your PC. After running Online Scanner, you should make sure that you have an up-to-date security solution keeping your computer free of problems in the future. You need to install add-ons for your browser.

F-Secure Health Check:
This is not an AntiVirus scanner but this service has its own importance as its name shows. So, I am adding it here.

> Checks for installed and up-to-date AntiVirus, AntiSpyware and Firewall protection
>Checks for security holes in your browser, email, messaging, os and other software

McAfee Free Scan:
This is just an AntiVirus scanner provided by the 2nd largest security provider. It will clean your Malware infection.
Rising Free Online Scanner:

Rising online scanner is an Express Edition with same technology of Rising Antivirus Software, also up-to-date service. This program can be used in IE Browser, and provide you a quick-virus-check at your local device. It provides you a virus quick-scan service, and help your away from suspicious malicious threats.

No online scanner but a free AntiVirus.
No online scanner but a free AntiVirus.


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@ Jiahao – I did not receive. When you will move mouse over envelop icon, in the status-bar of your browser, at left below corner, you will see my email. There you can email me.


I saw that bitdefender recently launched a new virus scanner called QuickScan which they claim is the fastest scanner. I tried it and it really scans quickly, the best thing is that it works on all browsers. the scanner is located on


@Decia – you are right. BD is strongest among all AVs. I have already posted an article about it HERE

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