Antivirus Protection Software

Antivirus is a type of software that is used to detect and remove computer viruses from computer systems. Also called Virus Protection Software. This application can determine whether a computer system has been infected with a virus or not. Generally, this software runs in the background (background) and do a scan of all files that are accessed (opened, modified, or when stored). Most antivirus software works by several methods such as below:

    * The detection by using virus signature database (virus signature database): The workings of this antivirus is the approach used by many traditional antivirus software, which searches for signs of the presence of the virus by using a fraction of the virus code that has been analyzed by antivirus vendors, and has dikatalogisasi accordance with the type, size, power breaking and several other categories. This method is relatively quick and reliable way to detect viruses that have been analyzed by antivirus vendors, but can not detect the new virus until the virus signature database newly installed into the system. Virus signature database is available from antivirus vendors and generally can be obtained for free via download or via subscription (subscription).
    * Detection by looking at the way how the virus works: How it works antivirus like this is a new approach borrowed from the technology applied in the Intrusion Detection System (IDS). This method is often referred to as Behavior-blocking detection. This method uses the policy (policies) that must be applied to detect the presence of a virus. If there is a software behavior that is "fair" according to the policy being applied, as well as software that tries to access the address book to send mass e-mail to e-mail list within the address book (this method is often used by virus to transmit the virus through e-mail), then the antivirus will stop the process undertaken by the software. Antivirus also able to isolate the codes that are suspected as a virus until administrators decide what to do next. The advantage of this method is the antivirus can detect new viruses that have not been recognized by virus signature database. The drawback, obviously because of the antivirus software to monitor the workings of a whole (not monitor the file), then the antivirus makes frequent false alarms or "False Alarm" (if the antivirus configuration is too "hard"), or even allow the virus to multiply in the system (if antivirus configuration is too "soft"), there was false positive. Some manufacturers call this technique as a heuristic scanning.
Antivirus which uses behavior-blocking detection are still few in number, but in the future, chances are all the antivirus software will use this way. Some antivirus also uses two methods above as well.
The following table contains some antivirus on the marketProduct WebsiteeSafe http://www.aks.comAvast http://www.asw.czAntiVirus Anyware http://www.helpvirus.comAnsav http://www.ansav.com/AVG Anti-Virus http://www.grisoft.comQuick Heal http://www.quickheal.comVexira Antivirus http://www.centralcommand.comCommand AntiVirus http://www.authentium.com/command/index.htmleTrust http://www.ca.com/virusinfo/Antivirus wave http://www.cyber.comSpider Guard http://www.dials.ruNOD32 http://www.nod32.comF-Prot Antivirus http://www.f-prot.comF-Secure Anti-virus http://www.fsecure.comRAV AntiVirus http://www.rav.roAntiVir and AntiVir Personal Edition http://www.antivir.deViRobot, DataMedic, Live-Call http://www.hauri.co.krWinProof and ExcelProof http://www.hiwire.com.sgDie Clinic http://www.ikarus-software.atKaspersky Anti-Virus (AVP) http://www.kaspersky.comVirusBUSTER II http://www.leprechaun.com.auemail scanning services http://www.messagelabs.com/viruseye/eScan http://www.microworldtechnologies.comMKS Vir http://www.mks.com.plMcAfee Anti-Virus and McAfee Virus Scan http://www.mcafee.com or http://www.nai.comAV InVircible http://www.invircible.comNorman Virus Control http://www.norman.noPanda AntiVirus and NanoScan http://www.pandasoftware.comPer AntiVirus http://www.persystems.com/antivir.htmProtector Plus http://www.pspl.comVirusNet PC and LAN VirusNet http://www.safe.netBitDefender http://www.bitdefender.comSophos Anti-Virus http://www.sophos.comAntigen for Microsoft Exchange http://www.sybari.comNorton Antivirus and Symantec Antivirus Corporate Edition http://www.symantec.comTrend Virus Control System and PC-Cilin http://www.trendmicro.comVirusBuster http://www.vbuster.huClamAV http://www.clamav.orgPCMAV -Windows Live OneCare and Microsoft ForeFont http://onecare.live.comZoneAlarm AntiVirus http://www.zonealarm.com/BullGuard Antivirus http://www.bullguard.com/