Avira AntiVir PersonalEdition Classic is a reliable free antivirus solution, that constantly and rapidly scans your computer for malicious programs (such as viruses, Trojans, backdoor programs, hoaxes, worms, dialers etc.), monitoring every action executed by the user or by the operating system and being able to react promptly when a malicious program is detected. Actions include repair, delete, block, rename and quarantine programs or files. Avira AntiVir PersonalEdition Classic is a comprehensive, easy to use antivirus program, designed to offer reliable free of charge virus protection to home-users only.

AVG Anti-Virus Professional :This antivirus program for your home or office computer is easy on system resources and simple to install and use. The fully automated update process will keep your computer protected at all times. Components include AVG Email Scanner, which checks your incoming and outgoing e-mail for viruses; AVG Resident Shield, which checks for viruses as files are opened, executed, and saved and will prevent you from opening or running an infected file; and AVG Virus Vault, a place where infected files are isolated so they cannot cause damage to your system.

New VirusScan Plus combines trusted 3-in-1 protection–anti-virus, anti-spyware, and firewall into a single, always-on, always up-to-date service to guard your hard drive, digital photos, music files, financial records, privacy, and Web browsing. VirusScan Plus automatically looks for known and unknown threats in e-mail, downloads, IM, and media. If problems are found, it immediately attempts to clean, quarantine, or delete infections with minimal interruption to your work. Meanwhile pro-active spyware blocking and firewall protection help stop dangerous programs like key-loggers from trying to launch on your system and hackers from invading your PC. Also includes McAfee SiteAdvisor safe surfing protection.

Avast Home Edition is a complete ICSA certified. Avast includes the following components: On demand scanner with skinnable simple interface, just select what do you want to scan in which way and press the Play button; On access scanner, special providers to protect the most of available e-mail clients; Instant messaging- ICQ, Miranda; Network traffic – intrusion detection, lightweight firewall; P2P protection for Kazaa, BitTorrent; Web shield – monitors and filter all HTTP traffic; NNTP scanner -scans all Usenet Newsgroup traffic and all operations with files on PC; Boot time scanner – scans disks in the same way and in the same time as Windows CHKDSK does.

AVG Free Edition is the well-known antivirus protection tool. AVG Free is available free of charge to home users for the life of the product. Rapid virus database updates are available for the lifetime of the product, thereby providing the high level of detection capability that millions of users around the world trust to protect their computers. AVG Free is easy to use and will not slow your system down (low system resource requirements). Highlights include automatic update functionality, the AVG Resident Shield, which provides real-time protection as files are opened and programs are run, free Virus Database Updates for the lifetime of the product, and AVG Virus Vault for safe handling of infected files.

ZoneAlarm Antivirus includes enhanced detection and removal capabilities that stop even the latest and most aggressive viruses before they infect your PC. Includes award-winning Antivirus, Operating System Firewall, Network and Program Firewall, Game Mode, and Wireless PC Protection.

VCatch Antivirus is specifically designed to cope with new types of worms flowing through the Internet. This software will prevent known and unknown viruses, new worms, and malicious applications from entering your computer and will notify you every time someone tries to send you a virus or a worm within an e-mail message. VCatch provides a detailed report on the last security event detected by the system, and includes an option for automatic deletion of high-risk files without user intervention.

Trojan Guarder Gold: Though installed with anti-virus system and firewall, your PC is still not safe enough. Trojans could be recording all your valuable passwords and credit card information without your knowing it. Trojan is a mini program running on a workstation. At its basic level, it merely records every key pressed together with the username and password when you access any computer network. Thus, it may give hackers chances of entering your computer and damaging the system. Trojan guarder initiates a system named Guard Ghost to supervise all running processes in memory system, Windows files, and open ports to search and eliminate worms and Trojan horses at any time.

Avast Virus Cleaner is a free tool that completely removes selected viruses and worms from your computer. It stops viruses that are active in memory, disinfects your files, removes virus registry and start-up items, and even deletes the virus-working files.

Kaspersky Anti-Virus Definition Complete Update: Download this file to get the latest virus definitions for Kaspersky Anti-Virus, allowing it to properly detect newer and more complex viruses. It contains all the latest updates. You should download this file if you have not updated your antivirus databases in the last two weeks.

Avast 4 Professional Edition is a complete ICSA certified antivirus software for corporate and advanced home use. Avast Professional Edition includes an on demand scanner with two user interfaces, a skinnable simple interface: just select what you want to scan and in which way and press the play button, an enhanced user interface: Outlook like UI allows users to set any feature of Avast, prepare and run tasks, store and check task results, on access scanner: special providers to protect: most available e-mail clients, instant messaging: ICQ or Miranda, network traffic: lightweight firewall, P2P protection for Kazaa, BitTorrent, Web shield: all HTTP traffic, script blocker. Avast Professional Edition is available in 31 languages. Small, true incremental, updates are downloaded and installed automatically.

NOD32 antivirus system provides balanced state-of-the-art protection against threats endangering your PC. Viruses, worms, and other malware are kept out of striking distance from your valuable data. Advanced detection methods implemented in the software provide protection against a great proportion of the worms and viruses that are still awaiting creation.

The Cleaner Professional: If you surf the Web or send and receive e-mail, you can’t afford to be without The Cleaner. It protects your system from Trojan horses, which are destructive programs that masquerade as friendly applications.

A-Squared :Scans your computer for malicious software (Malware), including Trojan Horses, Dialers, Worms, Spyware, Adware and more. a-squared is specialized in finding and removing them securely. The disk scan checks all files on your system disks for Malware. The scanner scans for Spyware Traces. Currently more than 700,000 different types of Malware may be detected and removed. Daily online updates provides the best protection.

Kaspersky Anti-Virus 7.0 provides you with traditional anti-virus protection based on the latest protection technologies. You can work, communicate, surf the internet and play online games on your computer safely and easily. Product Highlights- Three protection technologies against new and unknown threats: Hourly automated database updates, Preliminary behavior analysis, On-going behavior analysis. Protection from viruses, Trojans and worms. Protection from spyware and adware. Real-time scanning for email, Internet traffic and files. Protection from viruses when using ICQ and other IM clients. Protection from all types of keyloggers.

Dr. Web Anti-Virus for Workstations provides powerful and reliable antivirus protection for your workstation. With default settings, Dr. Web automatically scrutinizes all possible ways of viral intrusion, and blocks and reports any malicious behavior. The user may entrust Dr. Web with automatically eliminating all detected viruses, worms, and Trojan horses, thus keeping the PC in the cleanest state. It intercepts every attempt to access files and hard-drive system areas and performs real-time checks of any object trying to penetrate the local file system. Upon detecting a virus or any other malicious program, Dr. Web blocks access to the file, so that no harmful activity occurs until the user has a chance to choose an appropriate action, or Dr. Web takes care of it. Due to the deep integration of this on-access antivirus technology into the operating system, the real-time monitoring cannot be terminated by any other application, which distinguishes Dr. Web from many other antiviruses.

ProcessGuard is a powerful new type of security system that secures Windows at the lowest (kernel) level, allowing it to provide the maximum possible security. An intuitive interface makes the program very easy to use, and a comprehensive help file explains everything in full detail for those wanting to know more. ProcessGuard gives you full control over which programs are allowed to run and prevents even the stealthiest rootkit Trojan horses from being able to install malicious drivers. Virtually all known code/process-related attacks can be prevented, including keyloggers, firewall leak tests, process termination, code and DLL injection, thread hijacking, and Windows File Protection attacks.

Free Klez Removal Utility: This free utility by Kaspersky Labs is designed to detect and remove most variants of the Klez e-mail worm, including Klez.E and Klez.H. It is recommended that you close all applications before starting up this utility. After your computer has rebooted, an anti-virus scanner should be used and all remaining infected files should be deleted. It is also recommended that you avoid using e-mail preview to reduce the potential of reinfection of your computer system.

Solo Antivirus detects and removes all types of viruses and spyware. It contains a unique system integrity checker to protect your system from new Internet worms, backdoors, and spyware. Solo includes features such as a real-time sentry system, an automatic update facility, a schedule scan facility, an emergency disk tool.

Ashampoo AntiVirus offers comprehensive protection against viruses, worms, Trojans and dialers. Set it, forget it, and get on with more important things. It protects against viruses, worms, Trojan horses and dialers and includes advanced heuristic-analysis algorithms that can identify as-yet unknown threats on the basis of their behavior. It checks and protects all the relevant system areas of your computer. A background scanner provides real-time protection for your entire system. Automatic daily virus-signature updates offer maximum protection.

AOL Active Virus Shield: Protect your PC from both known and unknown virus attacks, spyware, Trojan horses and malware with AOL’s free anti-virus software, Active Virus Shield. This comprehensive anti-virus software installs quickly, works fast, always stays on and updates automatically every hour. Plus, it takes traditional virus scanning methods and combines them with advanced technology to help detect and protect against malicious programs that can infect your PC and important files before they are infected.

Anti-virus&Spyware helps you remove spyware, password stealers, adware and viruses. It protects stored data and downloaded files. Anti-Virus&Spyware supervises all running processes in the memory system, Windows files, and open ports, searching for viruses and spywares at all time. Once a virus or spyware appears, even if it is hidden in other programs, Anti-Virus&Spyware will display a signal and eliminate the intruder automatically. Anti-Virus&Spyware also supply the utility tools to configure your system immune with spyware and recover the damages caused by spywars. Anti-virus&Spyware does not conflict with other antivirus programs.

Trojan Guarder initiates a system named Guard Ghost to supervise all running processes in the memory system, Windows files, and open ports to search for worms and Trojan horses at any time. Once a Trojan or worm appears, even if it hides in other programs, Trojan Guarder will display a signal for warning and eliminate it consequently. Meanwhile, Trojan Guarder will clear all Trojan system-linked files as well as relative registered files.

Norton AntiVirus blocks viruses and spyware with advanced protection. It helps protect your entire computer by stopping viruses, spyware, and other security risks. Norton AntiVirus works in the background so you can surf the Internet, read the news, play games, and download software or music without disruption. It also scans and cleans all email and instant messaging (IM) attachments, preventing you from receiving viruses, or spreading them to others. With set-it and forget-it functionality, Norton AntiVirus checks for updates continuously and automatically blocks new and emerging threats from getting on your system. In addition to protection updates, Norton AntiVirus provides new product features as available throughout your service subscription. Version 2008 improves performance.

Sentinel works by analyzing exploits in both your Registry and your system folders; integrating with ANY Anti-Virus program to quarantine these threats. Sentinel’s Integrity Checker will notify your anti-virus/trojan application(s) if any file has been modified or added in any way whatsoever (using either a heavily optimized CRC32, SHA-1, MD5 or MD4 algorithm–for those of you who don’t speak geek: Sentinel is fast, and very secure). Sentinel’s RegWatch will watch over your startup registry entries, as well as other commonly exploited tactics viruses use to load–if any file seems suspicious, it is audited.

AVG Anti-Virus plus Firewall Edition is the ideal product to protect your single home PC or workstation from external threats such as viruses, the Internet, and other network users. It is simple to install and operate. No IT expertise is required and it can run in the background. All unauthorized network activity is blocked automatically, allowing you to get on with your work without worrying about external attacks.All file and e-mail activity is continually scanned to eliminate the threat of viruses. It is extremely fast, reliable and light on resources, so, no matter how demanding a user you are, it will not slow down your performance.

ThreatFire features innovative real-time protection technology that provides powerful standalone protection or the perfect complement to traditional signature-based antivirus programs. ThreatFire’s patent-pending ActiveDefense technology offers protection against both known and unknown viruses, worms, trojans, rootkits, buffer overflows, spyware, adware and other malware. It uses behavioral analysis to hunt down and paralyze threats that are too new or too clever to be recognized by traditional “signature-based” antivirus software. Powerful protection against zero-day and emerging threats.

Windows Live OneCare: Viruses crashing your party? We’ve got just the thing to keep the riff-raff out. Windows Live OneCare is your all-in-one, automated PC care and maintenance solution. Continuous, powerful PC protection made simple from Microsoft. Sign up today for a free 90-day trial.

Norman Virus Control: User-friendly, proactive and automated functionality are keywords describing the Norman Virus Control. The unique Norman SandBox technology protects against new and unknown computer viruses, worms and Trojans – currently the most prevalent malware types. E-mails are scanned for viruses before they reach the mailbox to ensure that viruses do not propagate this way. Version 5.82 includes updates, enhancements, and bug fixes.

VirIT eXplorer Lite is an anti-virus/anti-spyware for Windows. Clean your computer of viruses, spyware, worm, Trojan, backdoor, dialer, BHO (Browser Helper Object), adware, hijacker, and malware software. The features of VirIT eXplorer Lite are: intrusion detection system in real time, sort startup programs by date, scan and clean ADS stream, fix Internet Explorer, process Manager, automatic update via Internet. VirIT eXplorer Lite will incorporate heuristic virus scanning engine of virus detection and can detect a large percentage of new and unknown viruses.