Download this file to get the latest virus definition 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.

Download this file for the latest in virus detection and repair. This definitions update is a complete replacement for any previous virus definitions set. The x86 Intelligent Updater package can be used to update Corporate Edition clients and servers. This all inclusive updater will update all of the products listed below. This is useful for updating multiple machines and products with one single package. Supports the following versions of Symantec antivirus software:

Avast 4 Home Edition is a free complete ICSA certified antivirus software for home noncommercial use. Avast Home Edition (available in 20 languages now) 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 Setection--lightweight firewall; P2P protection for Kazza, BitTorrent; Web shield--monitors and filter all HTTPtraffic; NNTP Scanner--scans all Usenet Newsgroup traffic and of course all operations with files on PC; Boot Time Scanner--scans disks in the same way and in the same time as Windows CHKDSK does (on NT/2000/XP only). True incremental updates are small and fast.

Scans the computer for malicious software (malware). The term malware describes Trojan horses, dialer, worms, spyware, and viruses. a-squared Free is specialized in finding and removing them securely. The first step is the memory scan to detect running malware. The second step is the drive scan which scans all files on your disks for malware. Currently more than 90,000 different types of malware can be removed

ClamWin Antivirus is antivirus software for Windows. It provides a graphical user interface to the Clam AntiVirus engine. ClamWin uses the GNU General Public License. ClamWin Antivirus comes with an installer and open source code at no cost. It features: scanning scheduler, automatic virus database updates, atandalone virus scanner, integration to MS Windows Explorer, and add-in to MS Outlook.

AntiHook is a real-time intrusion detection and prevention system that dynamically protects users from malicious software such as unseen viruses Malware, Spyware, Trojans, and keyboard loggers. In addition AntiHook provides fine granular application isolation and allows the user to monitor and control all suspicious activities and detect them as they happen. This helps secure user's data, protects their privacy, and prevents unwanted activities. AntiHook can operate as a standalone module, relying on its local database only and not requiring an update of data definitions.

Clean Zafi is a tool to detect and remove all variant of the Zafi virus (b, c and d) that have been spreading since 12/14/2004. Zafi is a mass-mailing worm that contains an infected attachment. Zafi.d sends itself in christmas wish messages attached as .pif, .cmd, .bat, .com or .zip file. The worm may also attempt to lower security settings, terminate processes, and open a back door on the compromised computer. Clean Zafi detects and removes all variant of the Zafi virus.

PC Security Test is a free program for Windows that checks computer security against viruses, spyware and hackers. With a few mouse clicks, users can easily control the efficiency of their protection software (anti-virus programs, spyware scanners and firewalls). PC Security Test simulates virus, spyware and hacking attacks and monitors the responses of your protection software. No real viruses are involved. After the tests are complete, PC Securtiy computes a security index and provides tips on improving PC security.

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.

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 AVERT Stinger is an excellent choice when dealing with a compromised system

AVG Free Edition is the well-known anti-virus 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.

Bazooka Adware and Spyware Scanner detects a multitude of spyware, adware, Trojan horses, keyloggers, and trackware components, sources of irritation that many antivirus products do not deal with. The scanning process only takes a fraction of a second and tells you how to uninstall the invasive spyware or puts you in contact with the spyware developer for the most up-to-date and safe uninstall instructions. Spyware and adware often is bundled with software such as Kazaa, Morpheus, Grokster, iMesh, Xolox, and Gnutella, and in many cases it's installed without your knowledge. Some send information about your surfing habits to ad companies, which target you with pop-up ads that fit your preferences. Bazooka Adware and Spyware Scanner search for CoolWebSearch, Gator, GAIN, Bargain Buddy, CommonName, FlashTrack, IPInsight, nCase, SaveNow, and WurldMedia. Version 1.13.03 may include unspecified updates, enhancements, and bug fixes.

This software must be used to detect large number of SoBig viruses in an email account and delete them remotely without the need of downloading any of them to your machine. SoBig virus is large sized email so it uses network traffic when receiving to your machine. This software can be an indispensable tool to filter your emails from these large virused emails and remove them without wasting internet traffic.

AntiVir detects and removes more than 80,000 viruses, is always among the winners of comparison test featured in computer journals, the resident Virus Guard serves to monitor file movements automatically (e.g. downloading of data from the internet), scanning and repair of macro viruses, protection against previously unknown macro viruses, safeguard against cost generating dial-up program protection against trojaner, worms, backdoors, jokes and other harmful programs, easy operation, Internet-Update Wizard for easy updating, and protection against previously unknown boot record viruses and master boot record viruses.

Automatically provides updates to the classic F-PROT for DOS antivirus program and notifies you about it. This F-PROT updater / update utility has other extras and features,

VCatch is virus protection software that checks all files sent or downloaded to your computer via e-mail, Web mail, instant messaging, and file-sharing applications. VCatch automatically updates its virus definitions in your computer once a day, so once you install VCatch, you don´t have to do anything else to be constantly protected. In the event that VCatch detects a virus, the software automatically deletes the file and notifies you.

Happy99Cleaner is a great tool for removing the Happ99.exe virus from your computer. Happy99.exe is an e-mail and newsgroup worm virus, which attaches itself to email and newsgoup postings. When the exe file is clicked, it displays "Happy New Year 1999 !!" and fireworks while it alters your computer data. It does not corrupt any data or render your computer useless, it just attaches itself to your email and newsgroup messages, sending the virus to your recipients.

IRClean is a 100% free, standalone, compact (32kb total download), and easy-to-use yet very powerful anti-worm system designed to specifically combat worms that target or use IRC chat networks to propagate. It has been released into the public domain for free to help stem the growing tide of IRC-propagating worms.