History Of Computer Antivirus

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From the early 1970s to 1986, the Brain virus was recognized as the first to attack the MS-DOS foundation, so viruses kept popping up.

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In March 1988, the first antivirus software came out. to detect and track brain viruses and keep diskettes virus free. However, a virus called Cascade was discovered shortly after in Germany, the first to be encrypted. That is, a virus consists of code that cannot be changed or deleted. Until 1990, a large number of antivirus software appeared. In 1993, the emergence of a virus called “SatanBug” was frightening, especially in Washington, DC. As a result, industry helped the FBI find and write, and the writers were still kids. After the Windows 95 operating system came out in 1995, antivirus companies didn’t worry that they were no longer needed. The reason is, the virus that attacks the DOS-based boot sector operating system at that time did not seem to have any effect on Windows 95. But in the same year, a macro virus appeared that worked in the Microsoft Word environment, and was no longer DOS-based. The following year, macro viruses appeared under various names: Concept, Boza, Laroux. And in 1999, a macro called Melissa was developed that used Microsoft Word to infect computers and other computers via the Microsoft Outlook and Outlook Express email programs.

Antivirus software is software used to protect, detect, and remove viruses from computer systems. Antivirus software is also known as virus protection software. This application can find out whether a computer system has been infected with a virus. Usually, the software runs in the background and performs a scan on all files that are accessed (when they are opened, modified, or saved). Antivirus software – The latest antivirus software detects more than viruses. Antivirus programs are now also capable of detecting spyware, rootkits, and other malware. Not only that, antivirus software now comes with a firewall to protect computers from hackers and antispam to prevent spam and/or viruses from entering the user’s inbox.

Antivirus is divided into two types according to its users, namely home users and network/company users. For home users, the antivirus software runs as usual. For network versions, antivirus software can scan client computers and network drives. Also, the process of updating client computers on the network does not have to come directly from the Internet. Client computers can perform updates directly from the network server.

Antivirus is based on how to get it etc;
(1). Free antivirus software: Antivirus software you get for free
(2). Trial Antivirus: Free but time limited antivirus.
(3). Antivirus Donation: Antivirus obtained through donations
(4). Paid Antivirus: Antivirus is obtained through purchase. In general, antivirus works as follows: Use a database of virus signatures to detect. The way this antivirus works is a method widely used by traditional antivirus software, using a small portion of the virus code that has been analyzed by the antivirus vendor for signs of virus presence and grouping them by type, size, size, etc. Damage and other categories. other.

This method is fast and reliable enough to detect viruses that have been analyzed by antivirus vendors, but new viruses cannot be detected until a new virus signature database is installed on the system. Virus databases can be obtained from anti-virus manufacturers, and are generally available free of charge by downloading or subscribing

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