AVG Anti-Virus plus Firewall - antivirus, antispyware and firewall protection for Windows from the world’s most trusted security company. Use the Internet with confidence in your home or small office.

* Easy to download, install and use
* Protection against viruses, spyware, adware and hackers
* Real-time security while you surf and chat online
* Top-quality protection that does not slow your system down
* Free support and service around the clock and across the globe

Integrated protection:
* Anti-Virus: protection against viruses, worms and trojans
* Anti-Spyware: protection against spyware, adware and identity-theft
* Anti-Rootkit: protection against hidden threats (rootkits)
* Web Shield & LinkScanner: protection against malicious websites
* Firewall: protection against hackers

Easy-to-use, automated protection:
Real-time protection, automatic updates, low-impact background scanning for online threats, and instant quarantining or removal of infected files ensures maximum protection. Every interaction between your computer and the Internet is monitored, so nothing can get onto your system without your knowledge. AVG scans in real time:

* All files including documents, pictures and applications
* E-mails (all major email programs like MS Outlook and Thunderbird supported)
* Instant messaging and P2P communications
* File downloads and online transactions such as shopping and banking
* Search results and any other links you click on

Developer: GRISOFT Inc.
License: Shareware
OS: Windows All
Size: 48.3 MB
Download AVG Anti-Virus plus Firewall 8.0.1354 link

With PC Tools AntiVirus Free Edition you are protected against the most nefarious cyber-threats attempting to gain access to your PC and personal information. Going online without protection against the latest fast-spreading virus and worms, such as Netsky, Mytob and MyDoom, can result in infections within minutes.

Once infected, the virus will usually attempt to spread itself to your friends, family and associates by accessing your email contacts and networked PCs. The infection may also allow hackers to access files on your PC, use it to launch attacks against other computers and websites or to send mass SPAM email.

That’s why PC Tools AntiVirus Free Edition provides world-leading protection, with rapid database updates, IntelliGuard™ real-time protection and comprehensive system scanning to ensure your system remains safe and virus free. PC Tools products are trusted and used by millions of people everyday to protect their home and business computers against online threats.

PC Tools AntiVirus Free Edition feature highlights
* Protects your PC as you are working, surfing and playing
* Detects, quarantines, disinfects and destroys Viruses, Trojans and Worms
* IntelliGuard™ protects your computer against threats in real-time
* Automatically checks for frequent updates against the latest threats
* Best of all it’s FREE. No catches, limitations or time-limits.

Developer: PC Tools
License: Freeware
OS: Windows All
Size: 20.1 MB
Download PC Tools AntiVirus Free Edition 5.0.0.7 Beta link

Dr.Web is not just an Anti-virus product, It has the ability to go beyond other products on the market by being able to detect, cure and or delete malicious programs such as, but not limited too:
* Mass-mailing worms * E-mail viruses * File viruses * Trojans * Stealth viruses* Polymorphic viruses * Bodiless viruses * Macro viruses * MS Office viruses * Script viruses * Spyware * Password stealers * Keyloggers* Paid Dialers * Adware * Riskware * Hacktools * Backdoors * Joke programs * Malicious scripts * Spam* Scamming-, Pharming-, Phishing- messages * Bounce messages * Other malware*

Only Dr.Web can be installed on the already infected machine and can cure infected system without additional utilities. There is an option of updating Dr.Web virus databases before the installation, which takes just a few seconds and provides you in the end with the hottest adds-on to the virus database.

Updates to Dr.Web virus database are released as soon as new entries are added - up to several times per hour. “Hot” add-ons are released as soon as new threat is caught and analyzed. Dr.Web global monitoring network collects samples of new viruses from all over the world.

Dr.Web has the most compact virus database! This spares users’ time and computers’ resources, users scan quicker, and updates are downloaded instantaneously. Just one entry in it detects tens, or hundreds and even thousands of similar viruses.

Developer: Doctor Web, Ltd
License: Shareware
OS: Windows All
Size: 13.7 MB
Download Dr.Web for Windows 4.44.5.06300 link

Banish viruses, block spam, and remove spyware from your PC for good. ZoneAlarm Internet Security Suite not only eradicates threats but also prevents them from ever entering in the first place. Comprehensive protection defends your PC with robust firewall technology and stops identity thieves and spammers in a single, easy-to-use application.

* Complete PC Protection including award-winning antivirus, anti-spyware and firewall
* Multiple-layers of defense protect more deeply than other security solutions
* Easy and intuitive interface makes it simple to install, use and maintain.

ZoneAlarm Security Suite includes antivirus, anti-spyware, anti-spam and anti-phishing, identity theft protection and much more. All enhanced with the world’s top rated network/program firewall and operating system firewall.

Developer: Zone Labs
License: Freeware
OS: Windows All
Size: 50.3 MB
Download ZoneAlarm Security Suite 7.4.006 Beta link

ClamWin is a Free Antivirus program for Microsoft Windows 98/Me/2000/XP/2003 and Vista. ClamWin Free Antivirus comes with an easy installer and open source code. You may download and use it absolutely free of charge. It features:

* High detection rates for viruses and spyware;
* Scanning Scheduler;
* Automatic downloads of regularly updated Virus Database.
* Standalone virus scanner and right-click menu integration to Microsoft Windows Explorer;
* Addin to Microsoft Outlook to remove virus-infected attachments automatically.

Please note that ClamWin Free Antivirus does not include an on-access real-time scanner. You need to manually scan a file in order to detect a virus or spyware.

Developer: ClamWin
License: Freeware
OS: Windows All
Size: 20.9 MB
Download ClamWin Free Antivirus 0.93.1 link

F-PROT Antivirus is a powerful new antivirus program. It custom features: Easy to use, Fast, Light on computer resources, Install and forget, License for up to 5 computers in the home. While adding significant new features, F-PROT Antivirus builds on the product’s history of reliability, ease-of-use and speed to provide a powerful yet affordable antivirus solution.

New Features in F-PROT Antivirus:
* Advanced heuristics-based detection defends against new and unknown threats
* Completely automatic file system protection that scans and disinfects all file types, including those downloaded by web browsers and e-mail applications
* Fully automated and streamlined virus signature file updates and software upgrades
* E-mail protection that provides automatic real-time protection against threats from incoming and outgoing e-mail attachments.
* More advanced detection of malicious programs
* Suspicious/infected files are automatically backed up into a safe quarantine area before they are disinfected or deleted
* Exclude files from automatic and manual scan
* Schedule tasks to scan for viruses at a specified time and date
* Quarantine for the isolation of infected or suspicious files
* Password protection to prevent unauthorized modification of your settings
* Protection against malicious ActiveX code downloads (such as Microsoft ActiveX Controls or installs)

Developer: Frisk Software International
License: Shareware
OS: Windows All
Size: 19.1 MB
Download F-Prot Antivirus 6.0.9.1 link

Easy to use FREE curing utility to clean your computer infected with viruses and various unwanted codes by the Dr.Web Anti-virus updated once or several times an hour.

What is Dr.Web CureIt!?
This is a FREE anti-virus and anti-spyware utility based on Dr.Web Anti-virus scanner, which will help you quickly scan and cure, if necessary, a computer operated by MS Windows 95OSR2/ 98/Me/NT 4.0/2000/XP/2003/Vista without installation of the Dr.Web Anti-virus.

Dr.Web CureIt! automatically detects the language of the OS it is installed to and sets the scanner interface accordingly (if the local language is not supported, English is enabled).

The utility contains the most up-to-date add-ons to the Dr.Web virus databases going up to twice per hour frequency at periods of high malware submissions.

Dr.Web CureIt! detects and removes
* Rootkits * Mass-mailing worms * E-mail viruses * Peer-to-peer viruses * Internet worms * File viruses * Trojans * Stealth viruses* Polymorphic viruses * Bodiless viruses * Macro viruses * MS Office viruses * Script viruses * Spyware * Spybots * Password stealers * Keyloggers* Paid Dialers * Adware * Riskware* Hacktools * Backdoors * Joke programs * Malicious scripts * Other malware*

Dr.Web CureIt! Screenshot

Developer: Doctor Web, Ltd
License: Freeware
OS: Windows All
Size: 8.7 MB
Download Dr.Web CureIt! 4.44 link