Free Antivirus Scanners

A list of all the FREE and TRUSTED
online antivirus and spyware scanners.

Editorial:  I created this page when my laptop was infected by a virus, and I had to search for the major antivirus tools that are free and do not require installation. This page contains the results of the search and is a valuable resource for users that try to remove a virus from their computer or they just want to do a thorough antivirus scan. We all hope that we will never need such information, but it good to have a link to this page in our favorite bookmarks. You may also want to send this link to your friends, just-in-case.

Source of the list: Free Antivirus Scanners on

These online antivirus scanners are offered for free, so that you can make a better decision on which antivirus software you should buy.

Most of these tools will ask you to install an "ActiveX" control. This is safe, since the list is restricted to contain only the official sites of  major antivirus software companies.

Modern viruses are able to disable some of the antivirus programs. It is therefore recommended that you run as many as possible of the tools below to find a virus that is able to hide itself from the specific antivirus tool you are using.

After finishing with the "Free Antivirus Scanners", please go to the "Antivirus and Firewall Utilities" list. These are the full versions of the antivirus software tools that you can buy and have permanent protection.


Antivirus Online Free Scanners
Title Description
avast! Virus Cleaner »
(click above to read more)
avast! Virus Cleaner avast! Virus Cleaner

avast! Virus Cleaner is available free for every user. This tool will help you remove selected worm infections from your computer.

Executable Download Size: 0.4 MB

BitDefender Online Scanner »
(click above to read more)
BitDefender Online Scanner BitDefender Online Scanner

BitDefender Online Scanner is a fully functional antivirus product. It features all required elements for thorough antivirus scanning and effective cleaning: it scans your system's memory, all files, folders and drives' boot sectors, providing you with the option to automatically clean the infected files.

eTrust Antivirus Web Scanner »
(click above to read more)
eTrust Antivirus Web Scanner

F-Secure BlackLight - Rootkits detection »
(click above to read more)
F-Secure BlackLight - Rootkits detection F-Secure BlackLight - Rootkits detection

Future Threats Are Coming Closer

Did you know that it is possible to hide spyware or a virus in a way that will fool even the traditional antivirus products?
Some spyware programs are already using so-called rootkits to hide deep in the system. And, virus authors are joining in

The Cure - Innovative New Technology

Now, there is a cure, F-Secure BlackLight Rootkit Elimination Technology. And, it's time to find out, whether your computer is infected by invisible rootkits.

Executable Download Size: 0.8 MB

Vendor: Fsecure
All products from Fsecure »
Kaspersky Anti-Virus: Free Online Virus Scanner »
(click above to read more)
Kaspersky Anti-Virus: Free Online Virus Scanner Kaspersky Anti-Virus: Free Online Virus Scanner

The Kaspersky Online Scanner uses Microsoft ActiveX technologies to scan your computer for malicious code. The scanner uses MS Internet Explorer to scan your machine while online, and offers the same exceptional detection rates as other Kaspersky Lab products.

ActiveX Size: 9 MB

You also have the capability to upload a since "suspicious" file from your computer and have it scanned.

Vendor: Kaspersky Labs
All products from Kaspersky Labs »
lifefournow antivirus free lifefournow antivirus free

lifefournow Removal tool

Did you get infected by backdoor.lifefournow. ?
Please see our updated list of free online antivirus scanners. Be patient and run these tools to remove infection.

lifefournow Antivirus and Trojan online free scanners �

McAfee AVERT Stinger »
(click above to read more)
McAfee AVERT Stinger McAfee AVERT Stinger

Stinger is a stand-alone utility used to detect and remove specific viruses. It is not a substitute for full anti-virus protection, but rather a tool to assist administrators and users when dealing with an infected system. Stinger utilizes next generation scan engine technology, including process scanning, digitally signed DAT files, and scan performance optimizations.

McAfee FreeScan »
(click above to read more)
McAfee FreeScan McAfee FreeScan

ActiveX Size: 4 MB

NGenFix NGenFix NGenFix

NGenFix is a Norman program utility that may be used to detect and remove specific malicious software (malware).
Note that it should not be used as a substitute for running normal proactive antivirus protection, but rather as a reactive tool to handle systems that are already infected.

By downloading and running the program below it will clean an infected system completely:

kill running processes that are infected
remove infections from disk (including ActiveX components and browser helper objects)
restore correct registry values
remove references created by malware in hosts file
remove windows firewall rules for malicious programs
/scan Specify file/folder to scan
/exclude Specify file/folder to exclude
/run Start scanning automatically
/quiet Don�t display GUI
/log Specify log file
/noclean Skip the cleaning process
/nops Skip process scanning
/nounpack Skip archive scanning
/? List switches

System requirements
Supported operating systems are: Windows 98, Me, NT, 2000, XP and 2003
Operating systems not supported is: Windows 95
To give NGenfix the best working conditions possible, we recommend that you start the computer in Safe mode before running the fix. To do this, tap the F8 key on your keyboard during startup, before Windows starts, and select Safe mode from the menu that appears.
Pressing the F8 key at just the right time may be a little difficult (after the firmware POST process completes, but before Windows displays graphical output). If the F8 method does not work, repeat the procedure, but press the F8 key more quickly, or press it several times.
On some (older) computers, the F8 key method may not work. In these Windows versions you may also configure your computer to start in Safe mode through the System Configuration Utility (msconfig).
In some cases NGenfix may require that you restart the computer to completely remove an infection

Malicious software covered
NGenfix covers cleaning of all known variants of the following families up to:



Download: Click here to get the free version
NOD32 - Free Virus Removers »
(click above to read more)
NOD32 - Free Virus Removers NOD32 - Free Virus Removers

Get a free virus remover, or spyware remover. ESET provides these free as a public service to customers of Symantec, McAfee, Trend Micro, and other antivirus vendors. If you were running one of these products and were infected by a virus or spyware, we can help you clean it.

RootkitRevealer »
(click above to read more)

RootkitRevealer is an advanced rootkit detection utility. It runs on Windows NT 4 and higher and its output lists Registry and file system API discrepancies that may indicate the presence of a user-mode or kernel-mode rootkit. RootkitRevealer successfully detects all persistent rootkits published at, including AFX, Vanquish and HackerDefender (note: RootkitRevealer is not intended to detect rootkits like Fu that don't attempt to hide their files or registry keys).

Vendor: sysinternals
All products from sysinternals »
Download: Click here to get the free version
Symantec Free Virus Removal tools »
(click above to read more)
Symantec Free Virus Removal tools Symantec Free Virus Removal tools

Symantec Security Response has developed free virus removal tools to automatically conduct what would often amount to tedious manual virus removal tasks. If your system has become infected, these tools should help you remove the virus.

Symantec Security Check »
(click above to read more)
Symantec Security Check Symantec Security Check

Test your computer's exposure to online security threats and learn how to make your computer more secure.

Security Scan
Antivirus Scan

Tenebril SpyCatcher Express »
(click above to read more)
Tenebril SpyCatcher Express Tenebril SpyCatcher Express

SpyCatcher� Express provides powerful, immediate protection from known & unknown spyware as well as rootkits. And, because Tenebril believes everyone has the right to surf safely at home or at work, SpyCatcher Express is absolutely FREE!

At the core of SpyCatcher Express and all Tenebril antispyware solutions is an innovative, new technology - Spyware Profiling� Engine. The Spyware Profiling Engine protects you from next-generation, mutating spyware that conventional antispyware and antivirus technologies simply can't detect.

Vendor: Tenebril
All products from Tenebril »
Tenebril Spyware Scanner »
(click above to read more)
Tenebril Spyware Scanner

Spyware Scanner uses ActiveX technology to scan your computer for spyware, adware and other malware quickly and effectively. Spyware Scanner relies on the same detection engine that powers our award-winning anti-spyware product, SpyCatcher.

Vendor: Tenebril
All products from Tenebril »
Trend Micro - Free online virus Scan »
(click above to read more)
Trend Micro - Free online virus Scan Trend Micro - Free online virus Scan

FREE on-demand service scans your PC for viruses, spyware, and more.
Trend Micro� HouseCall� is a FREE Web-based solution designed to scan your PC for a wide range of Internet security threats including viruses, worms, Trojans, and spyware. It also detects system vulnerabilities and provides a link so you can easily download missing security patches. After each scan, HouseCall delivers a detailed report, which identifies security threats detected on your computer.

HouseCall 6.5 has two independent Core Engines to choose from:

The ActiveX Core Engine: to use this engine, please adjust here the IE browser�s Security level to Medium at least and be sure that signed ActiveX objects are enabled.

The Java VM Core Engine- to use this engine, please install the Java VM from

Trend Micro HouseCall scanner »
(click above to read more)
Trend Micro HouseCall scanner Trend Micro HouseCall scanner

Trend Micro HouseCall is an application for checking whether your computer has been infected by viruses, spyware or other malware ( grayware ). HouseCall performs additional security checks and allows to remove detected infections.

Feature overview:

* Detects and removes malware ( viruses, worms, trojans, etc. )
* Detects and removes grayware and spyware
* Restores damage caused by malware to your system.
* Notifies about vulnerabilities in installed programs and connected network services.
* Multi-platform support for: Windows, Linux, Solaris,
* Easy-to-use with the following browsers: Microsoft Internet Explorer, Mozilla Firefox,

TrojanScan (free online scan) »
(click above to read more)
TrojanScan (free online scan)

Trojan horses are a huge security threat. A Trojan is a program that enters your computer undetected, giving the attacker who planted the Trojan unrestricted access to the data stored on your computer. Trojans can transmit credit card information and other confidential data in the background. Trojans are often not caught by virus scanning engines, because these are focused on viruses, not Trojans. Catching such threats would require the use of a Trojan scanner (a.k.a Trojan cleaner, Trojan remover, anti-Trojan).

Scan your system for trojans using this free online trojan scanner. Anti trojan software will allow you to scan and stop trojans from entering your network. A trojan remover is a vital addition to your network security toolbox, allowing you to clean a trojan virus which has already been installed in your system.

Requirements for the test:
Windows 2003 Server, XP, 2000, ME, NT 4 or 98
Internet Explorer 5.0 or later with ActiveX enabled

Webroot Free Spyware Scan »
(click above to read more)

free spyware scan, spyware threats, anti-spyware, spy sweeper, webroot, webroot spyware removal tool, free trial buy license registration key
and make it yours!

Webroot Free Spyware Scan Webroot Free Spyware Scan

Free Spyware Scan available from Webroot

Editor's Review:
This free scan is done by downloading and installing the free version of webroot software. If you just want to do an one-time scan, you can remove the software after completing it.
During the installation I was asked to provide an email address, but I was later able to complete the running of the program without receiving any relative email.

During my scan the tool reported:
trojan horses: infected mushroom, trojan-backdoor-dimenoc
Adware: sogou toolbar

But webroot did not give proof where exactly these components have been found. E.g. file locations or registry settings.
Other free scanners did not find these components.

The trial version only reports threads. It does not remove them.

Description from the vendor:
Scan your PC for spyware threats using our free spyware scan

* Free spyware scan finds malicious spyware - so you know what's hiding on your PC
* Already used by millions of computer users, the free spyware scan easily uncovers your spyware infection level
* FREE world-class customer support
* 100% guaranteed

Vendor: web root
All products from web root »
Download: Click here to get the free version
Buy online: Click here to purchase now the full product !
Windows Live Safety Center »
(click above to read more)
Windows Live Safety Center Windows Live Safety Center

Get full service for your PC

Windows Live Safety Center is a new, free service designed to help ensure the health of your PC.

Check for and remove viruses and spyware
Improve your PC's performance
Get rid of junk on your hard disk

Use the full service scan to check everything, or turn to the scanners and information in the service centers to meet your specific needs.

Vendor: Microsoft
All products from Microsoft »


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Instantly view the Moon Phase on your computer desktop with this screensaver

for only $12.95

free trial
StarMessage: The Moon Phases Screensaver for Microsoft Windows
¤ View the current lunar phase
¤ Get reminder about upcoming full moons
¤ Write your messages with the stars of the night sky
StarMessage is a gift you should buy to anyone important in your life.
Opinions about the StarMessage screensaver by other users like you
¤ I downloaded the trial and was so pleased with it I HAD to register it. It's great to look at, its a good communication tool. I leave greetings, messages there for other family members. Its amazing and practical, worth every penny and A+ customer support.

Janice Brown

¤ This is by far the very best screen saver one can find. Lost hard drives etc....I will reinstall each and every time. Have had since 98 and wouldn't change it for one second. Who can ask for more than the 'moon and stars'?
  Sherry Smothers
Sarasota, FL

Read more »


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Space Links
Links to other sites about the moon and space. That page contains also a list of Space screensavers and a list of recommended Software you need for your new PC.
Space Screensavers »
Do you have your own web page?
We would be glad if you put a link to our site.


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wishing on a falling star
with the StarMessage screensaver

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for only $12.95

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  • Lets you write your name, your wishes, or your love messages with the stars of the night sky.
  • Shows the current moon phase.
  • Notifies you about the upcoming full moon and the full moon name and percent of the moon illuminated.
  • Falling stars might make your wishes come true.
  • Calms you with tender sounds of ocean waves, birds, lullabies.
  • Shows famous quotes of love, peace, wisdom and humor.
  • Is easy to install or to remove.
  • Carefully engineered, to use minimum disk and memory space from your computer. It does not overload your computer.
  • And much more ... »

names of the full moons top names of the full moons




Learn about the Moon
Full Moon Calendar

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