TYPES OF ANTI VIRUS *************************** There are many different types of anti virus software that have been developed over the years. Original products were just scanners that would search through the hard disk looking for viruses. As viruses have become more common and difficult, the more anti virus software is being made to keep up with current virus issues. There are many different types of general virus scanners that are used on PCs today: Conventional Disk Scanner This is the stand virus check program. It can be ran upon the users request, and it scans the contents of the disks, directories or files that the users wants, for any boot sectors or files that contain viruses that it recognizes. These are usually ran manually by the user as a preventive maintenance activity or when they thing a virus is suspected. The user can schedule automatic scanning through the use of a program scheduler. Memory Resident Scanners An anti virus software that now come with a special program that sits in the background while your using your computer and it automatically scans for viruses based on different triggers. These programs can automatically scan as they run or scan floppy disks when you command a shutdown of your system. This scanner offers increased protection and more chances of catching a virus before it does damage to your computer. Behavior Based Detection Some products offer an option where they will sit in memory and look for virus like behavior and suspicious activity. Behavior based detection is looking for the types of actions taken on files or boot sectors that might be performed by viruses trying to spread. This type of antivirus software will look for a trap, and will generically catch viruses red handed. Start up Scanners This type of antivirus scanner is designed to be run every time the PC is booted up. It preforms a quick scan of the disks boot sectors and critical system files. the idea is to catch these viruses before the PC boots up reducing the chance of it to spread. Inoculation Instead of scanning for viruses this type of antivirus software looks for changes that the viruses make to files and boot sectors. With a clean system the software will get a snap shot of information in each boot sector about its content and size. Periodically it will re examine these files to see if anything has changed. Top Anti Virus Software The Shield Deluxe 2009 Antivirus & Antispyware Webroot Antivirus with Antispyware 6.0 BitDefender Antivirus 2009 CA Anti-Virus Plus 2009 McAfee VirusScan Plus 2009 Norton Antivirus 2009 ESET NOD 32 3.0 **************************
Posted on: Thu, 14 Nov 2013 14:11:13 +0000
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