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AV Security 2012 is a fake antivirus program designed by hackers to get money casual users. The application was designed to infiltrate your computer with the help of Trojan virus. It is quite common for AV Security 2012 also infiltrate access to zero rootkit in the system, which complicates the process even more. Access Zero completes many of your legitimate programs, including their legitimate security tools which means that their scanners will not be able to scan and detect infections AV Security 2012 or any other infection. Remember, you remove access to zero to run your antivirus software and clean your system from other infections.

Speaking of Security AV 2012, it will work exactly like a legitimate antivirus program, and since you will not be able to use your other security tools, you can easily begin to trust the security of the 2012 e AV You should not rely on it in all circumstances. AV Security 2012 will only reproduce the lookout for infections on your system and at the end of the scan will show the test results wrong. It will also advise you to buy a full version of AV Security 2012 to scan your computer and remove all malicious files. The truth is that such a program can not detect or remove anything. It just was not created for this purpose. The application will simulate the actions of the computer scanner.


In addition, AV 2012 generate multiple Security pop-up messages warning that the system has some problems, eg unwanted software (malware) or tracking cookies were found ultimately are critical system files on your computer that have been modified by malware, etc. pop messages, or notifications of security can be ignored, since the results of the analysis of Security AV 2012.

You must remove Security 2012 the AV system as soon as you notice this malicious software on your computer. Safety experts recommend to get the full program version anispyware law and get rid of this rogue. Remember that security is one of the most important issues today, so be sure to use the best tools to ensure your system from unwanted malware.

Not all antivirus have the same ability. There are skilled in eradicating certain viruses, there is only capable of detecting the virus locally. But to help pursing the option of antivirus product line, it is advisable to see a review from independent testing agencies, such as the AV-Comparatives.org. Now, to business threat detection, the three independent testing agency - AV-Comparatives.org, AV-Test.org, and Dennis Technology Lab - agreed to appoint Norton security products, including Quorum-based techniques, as effective protection.

Dennis Technology Lab is testing the effectiveness of security product 10 when comparing the anti-malware mention of Norton Internet Security 2010 appears as the only product with excellent detection "in the face of all threats and fully protect systems from attack or infection. Norton Internet Security 2010 also recorded by AV-Test.org a test on the infected PC 25 different malware samples as successfully detect and remove all infections. While Norton AntiVirus 2010 was rewarded rating "Advanced +" (the highest for protection) by AV-Comparatives.org in Anti-Virus Test No. comparatives. 23. Symantec also received a rating of "Fast" for highest scan speed.

"All of these tests include bench mark an important benchmark, but very different in security testing. But it all came to the same conclusion-Norton is the best in class offerings, "explained David Hall (Consumer Product Marketing Manager, Asia Pacific, Symantec). "Symantec products with security technology based on our reputation for new and advanced heuristics, to show their ability to provide protection to millions of threats to keep the level of the lowest false positive and the highest performance across the tested products. Some tech products Quorum Symantec Norton 360 is a beta version 4.0, Norton Internet Security 2010 and Norton AntiVirus 2010

How many times have you downloaded an app that could supposedly solve all of your computer problems absolutely free of cost? Now ask yourself how many times that app actually did what it was supposed to, or better yet how many times that app was actually free? More often than not your answer is going to be zero.

Unfortunately for all of us, most software providers use gimmicks to sucker consumers in to purchasing their enterprise security apps: Sure, they'll keep your computer virus free for 30 days, but after that you'll need a subscription. Otherwise they'll just scan your registry for bugs but won't fix them for you. Frankly, we're tired of that.

To keep your computer safe (and save some cash while doing it) we've assembled a list of 103 free security apps for Mac, Windows and Linux. By the end of the article you should have enough resources to secure even the most naïve system, for free!

Spyware
The biggest enemy of the internet user today is spyware. How many computers have you seen rendered useless because of 20 IE toolbars and 15 apps running in the background? To keep your computer running at full performance you need a spyware scanner.

1. Ad-Aware SE Personal [Windows] – Popular, comprehensive spyware removal tool. Maintains a large blacklisted spyware database and identifies malicious program code for the best possible detection.
2. Spyware Terminator [Windows] – Monitors all running processes in real time and determines their integrity. If spyware is found, moves the files to a quarantined section of the hard drive or deletes the files on system start-up.
3. Spybot - Search & Destory [Windows] – Uses deep scanning techniques to cleanse your system of the most obscure forms of spyware. Allows you to blacklist certain types of spyware in order to prevent it from showing up on your system again.
4. Winpooch [Windows] – Intercepts programs in real time via API hooking; determines the integrity of the program and shuts out spyware and Trojan horses from writing in a system directory, connecting to the internet, or doing anything harmful to the computer.
5. SpywareBlaster [Windows] – Prevents the installation of ActiveX based spyware, blocks tracking cookies and restricts the actions of malicious websites.
6. Bazooka Adware and Spyware Scanner [Windows] – Scans your computer for the more popular types of spyware usually found bundled with software packages and removes the malicious content.
7. Windows Defender [Windows] – Microsoft's solution for protecting your computer from spyware and popups.
8. MalWhere [Windows] – Displays detailed information about the processes running on your computer including those that run at start up. Investigates suspicious processes and let's you know when malicious code is being executed. Does not require a spyware definition updating.
9. Trend Micro Anti-Spyware for the Web [Web: Windows] – Online based spyware detection and removal tookit. Perfect solution for non tech savvy users.
10. Zebra scanner [Mac] – Scans files for hidden agendas (e.g. a trojan disguised as an MP3 or image.) Notifies the user of the scanned files integrity. Does not contain a method for disinfecting the computer.

Antivirus
Perhaps the ultimate definition of computer security is the effectiveness of your antivirus. Antivirus software keeps the most problematic forms of malware from corrupting your computer.

1. McAfee AVERT Stinger [Windows] – Tool used to remove specific current popular viruses and worms. Make sure to download the version of Stinger pertaining to the virus found on your machine.
2. PC Tools AntiVirus [Windows] – Comprehensive virus scanning suite offering protection from malicious internet software, email attachments and boot sector viruses. Includes real time virus scanning.
3. Clam AntiVirus [Linux] – Extremely popular antivirus solution for UNIX based machines. Includes real time virus scanning and a virus definition database updated multiple times per day.
4. AVScan [Linux] – A front-end for Clam AntiVirus.
5. ClamXav [Mac] – Uses ClamAV engine to scan files for viruses.
6. AVG Anti-Virus [Windows, Linux] – Effective virus scanning suite. Requires regular virus definition updates.
7. Avast Home Edition [Windows, Linux] – Complete antivirus suite including real time scanning, email protection, internet traffic filtering, a firewall and more.
8. Housecall [Web: Windows, Linux, Mac] – Web based scanner that detects and removes viruses, worms, trojans and spyware. Also points out system vulnerabilities and offers advice on obtaining security patches.
9. Symantec Security Check [Web] – Simple antivirus solution that searches your computer for various forms of malware and deletes them. Offers a secondary scan to measure the vulnerability of your computer.

Rootkit
Rootkits are about the nastiest forms of malware around. To keep your computer (and your privacy) safe, you'll need an app to scan for rootkits.

1. Sophos Anti-Rootkit [Windows] – Removes complex rootkits and various types of malware running in a hidden state from personal and network computers.
2. Rootkit Hunter [Mac] – Searches for popular UNIX and Mac rootkits and removes them.
3. chkrootkit [Linux] – The definitive solution for finding and removing rootkits from Linux machines.

Firewall
A well regarded firewall with a strict rule set is the first line of defense against intruders. Keep hackers from sneaking malware onto your system in the first place with these freebie firewall solutions.

1. ZoneAlarm [Windows] – Popular, comprehensive firewall suite including a highly customizable rule set and a very effective warning system letting you know when your computer is at risk. Be sure to select "I only want basic ZoneAlarm protection" from the download screen (otherwise you'll end up with a trial version.)
2. VisualZone [Windows] – Analyzes ZoneAlarm information including intrusion types and methods of entry. Allows you to gain a clear view of your system's vulnerabilities.
3. PC Tools Firewall Plus [Windows] – User friendly firewall that monitors the applications connecting to the network. Uses a simple rule set to prevent malware from infecting your computer.
4. Firestarter [Linux] – Real time firewall that monitors all of the open ports and active network connections on your computer. Allows you to specify a very strict rule set.
5. Firewall Builder [Linux] – Useful tool for assembling a firewall rule set or policy for popular UNIX based firewalls including iptables, ipfilter, etc.
6. TuxGuardian [Linux] – Verifies the integrity of applications trying to gain access to the network. Useful for preventing viruses, trojans, spyware, etc. from spreading throughout the network.
7. HardWall Firewall [Linux] – Iptables based script that performs detailed packet inspection and filtering to keep your computer free from malicious traffic.
8. BullDog [Linux] – Complex firewall for advanced users.
9. PeerGuardian [Windows, Linux, Mac] – Blocks IPs from accessing your network. Especially useful for protecting your privacy when using peer to peer software.

Network
With an insecure network not only will you be vulnerable to the perils of the internet, everyone connected to your network will too. Meaning instead of having one computer down due to a nasty virus, you could have hundreds. These freebie apps will help you manage the challenge of keeping your network safe.

1. SoftPerfect Network Scanner [Windows] – Displays information about the configuration of your network.
2. SecureRDP [Windows] – Allows you to monitor and reject the incoming RDP connections to your server.
3. Colasoft Packet Player [Windows] – Capture packets and trace their route through your network. Extremely useful for finding bottlenecks and vulnerable points.
4. DomainScan Light [Windows] – Monitor open ports, connected devices, changes made to your network.
5. SmoothWall [Linux] – Firewall, IDS and VPN system for home users and networks.
6. Nagios [Linux] – Comprehensive web based tool equipped with virtually every imaginable feature for knowing exactly what's going on in your network.
7. nLive Core [Linux] – Monitors the traffic that traverses your network via packet inspection and filtering.
8. Network Mapper [Windows, Linux, Mac] – Uses packets passing through the network to find out what hosts are available, what services they're offering, what operating system they're running and what type of packet filtration/firewall they're using.
9. Wireshark [Windows, Linux, Mac] – Powerful tool for capturing network protocol data for analysis. Contains more than 25 methods for reading packets making it useful for a wide array of networks.
10. Nessus [Windows, Linux, Mac] – Industry leading open source network vulnerability scanner. Highly scalable and very thorough.
11. dSniff Control [Mac] – Tool used to test the security of your network. Tries various sniffing and spoofing exploits to gain information about your network.
12. Flame [Mac] – Simple tool used to breakdown the status and events taking place in your network.
13. Server Admin Tools [Mac] – Apple's solution for securing and monitoring a network.

Temporary Files
What websites have you been visiting? What's that, too embarrassed to say? Don't worry, we've got you covered. Simply use one of these apps to delete all of your temporary files and clean up the trail you left behind.

1. HijackThis [Windows] – Scans your computers browser, registry and operating system settings to generate a report of the state of your computer. Allows you to select which software and settings to delete.
2. Zappit System Cleaner [Windows] – Cleans up the footprints you leave when using the computer including: temporary files, recent documents, search and run commands, auto complete internet forms and history and more.
3. CCleaner [Windows] – A system optimization and privacy tool that cleans up the registry, temporary files, cookies, web history and cache and more.
4. WinXPatch [Windows] – A tool used to perform several security upgrades to the default installation and registry.
5. Advanced WindowsCare v2 Personal [Windows] – Cleans up temporary files and the registry to maximize your privacy. Also doubles as a spyware remover.
6. EasyCleaner [Windows] – A comprehensive tool for cleaning up the registry and deleting your footprints on the computer. Includes software to manage programs at start up and free up disk space.
7. CleanCache [Windows] – Deletes the temporary files you leave behind when you surf the internet.
8. xpy [Windows] – Improves the general security of your system by reconfiguring some of the default computer settings.
9. Cookie Eraser [Windows] – A tool to help you identify and erase the unnecessary cookies on your computer.
10. Yet Another System Utility [Mac] – Clears the cache, browser history and other areas where you might have left a footprint while using the computer.

Wireless
Securing your WiFi network is easier than it sounds. By taking a few extra minutes to install a few of the following apps, you'll have your WiFi network on lockdown in no time.

1. Kismet [Linux, Mac] – Very popular wireless network detector, sniffer, and IDS.
2. AirSnare [Windows] – Wireless IDS that alerts you when an unfriendly MAC address is trying to access your network.
3. myWIFIzone [Windows] – Acts as a gateway to block people from accessing your WiFi connection without receiving permission from you first.
4. iOpus Private Internet Gateway [Windows] – Creates a secure tunnel that encrypts your inbound and outbound WiFi communications. Protects your privacy on public networks.
5. LucidLink WiFi Client [Windows] – Simplifies the process of securely connecting to a WiFi network, and warns you when you're connecting to an insecure network.
6. AirTrafficControl [Mac] – Monitors your WiFi connection for quality and security.

Encryption
Encryption is a must for the most sensitive types of data. After all, we all know what happens when a password or credit card number winds up in the wrong persons hands. That's why we recommend you check out a few of the following encryption apps.

1. Pastor [Mac] – Simple tool used to securely store all of your usernames and passwords.
2. Access Manager [Windows] – Stores all of your sensitive passwords and personal information into one secure file.
3. RememberMe [Windows] – Stores your usernames and passwords in an 128-bit AES encrypted file.
4. Kruptos 2 [Windows] – Integrates into windows right click menus to encrypt and archives files easily.
5. Crypt4Free [Windows] – Uses Blowfish and DESX encryption to protect your files and create encrypted messages for instant messaging and email clients.
6. PicSecret [Web, Mac] – Neat feature that allows you to send encrypted messages disguised as ordinary pictures.
7. GNU Privacy Guard [Windows, Linux, Mac] – A command line based encryption tool using multiple encryption algorithms including OpenPGP, AES, SHA-1, and more.
8. TrueCrypt [Windows, Linux] – Creates virtual encrypted drives.

Miscellaneous
Here are few apps that simply didn't fit into the categories above. Although they might be unclassified, they all offer a great deal of functionality when it comes to overall system security.

1. Active Security Monitor [Windows] – Uses a proven system to determine if a user's system is secure or not.
2. PreView 1.0 [Windows] – Rates your computer on how vulnerable it is.
3. PC Security Test [Windows] – Determines the vulnerability of your computer by subjecting it to simulated attacks and malware.
4. PCPal [Windows] – Detects security vulnerabilities in your system and advises you on how to reduce their risks.
5. Simple File Shredder [Windows] – Securely and permanently delete files on your computer.
6. BCWipe [Windows] – Permanently deletes files off of your computer.
7. Permanent Eraser [Mac] – Permanently delete files from your hard drive.
8. S3 Change Explorer [Windows] – Graphically keeps track of the changes made on your system. Useful for determining if a user or file is making unwanted changes to sensitive files.
9. Process Monitor [Windows] – Microsoft's solution for monitoring all of the processes running on your computer. Useful for identifying malware instances.
10. Check Failed Password Attempts [Mac] – Tool used to scan for failed attempts logging into the administrator account.
11. CheckMate [Mac] – Compares checksums of critical files to determine their integrity before you download them. By comparing checksums you'll know if you're getting the right files, or something infected with malware.
12. Checksum Validator [Mac] – A very simple checksums comparison tool.

source :itsecurity

There are list of free Antivirus in You can try for your computer

1. Avira AntiVir PersonalEdition Classic
Protects your computer against dangerous viruses, worms, Trojans and costly dialers
2. AVG Free Edition
AVG Free provides you with basic antivirus and antispyware protection for Windows
download | update

3. BitDefender Free Edition
BitDefender Free Edition is your chance to use one of the world's most effective antivirus engines for free!
download | update

5. ANSAV
Another Anti Virus you can tried, simple fast and clean, and absolutelly free
download | update

6. RemoveIT Pro
RemoveIT Pro removes many viruses that other popular antivirus software cannot discover. If you can't clean your computer from worms and viruses, adwares and spywares, then you should try with this software.
download | update

7. My Free Antivirus
My Free Antivirus is a unique algorithm of scanning, high speed of detection, daily antivirus base updates, protection from cyber viruses, trojans, worms. Has an easy-to-use interface and a small size distributive that is however a powerful antivirus tool.
download | update

8. ClamAV For Win or ClamWin
ClamWin is a Free Antivirus for Microsoft Windows. ClamWin Free Antivirus offers a easy installer and open source code. You may download and use it absolutely free
download | update

9. Free Avast! Home Edition
avast! 4 Home Edition is a free complete ICSA certified antivirus software for home noncommercial use.
download | update

10. Gucup Anti Virus (GAV)
An antivirus application that removes malware from your computer. If you want to scan very quick and fast your computer without installing.
download | update

11. Rising Anti Virus
Easy to use, Active Defense technology, Patented Unknown Virus Scan and Clean technology and Patented Smartupdate technology make Rising Antivirus Free Edition install and forget product and entitles you to focus on your own jobs with your computer
download | update

12. Geekz Virus Remover
Geekz Virus Remover will offer you the possibility to scan your computer and detect any form of malware. In addition you will be able to fix registry and change your computer's registered owner name
download | update