History About Antivirus

Antivirus programs can detect viruses and prevent access to the infected document and is also able to eliminate the infection happened. Virus scanner program is the most popular type of anti-virus world, but such programs should be frequently updated to be able to recognize new viruses. In general there are two types of antivirus programs, the on-access and on-demand scanner. Many peerusahaan that offers a combination of two types of programs in one package.

* On-access scanner will always be active in the computer system as long as you use it. This type of scanner will automatically check the documents that you access and can prevent you from using the documents that have been infected by computer viruses.
* On-demand scanner that will let you start scanning the activity of all the documents on your computer. You could also arrange to be done periodically by using the scheduler.

There are also anti-virus types that implement the heuristic scanning. This allows the scanner to detect the virus, whether known or not, by using the rules of the common indicator of a virus. This is very useful to detect viruses or new types that have not been detected previously. This type of heuristic scanner does not need to frequently updated but its side effects can sometimes lead to error detection, where it was supposed to document, or a normal program, but was detected and considered as a virus.

Who writes viruses?

If your computer or your network exposed to viruses, you must have felt annoyed and sometimes you think "Why these people to make a virus?". The creator's motivation sometimes viruses differ in a virus. There is a virus because it wanted to spread a political message, to seek fame, wants to get public recognition, to criticize an institution or company (such as viruses that mocking Microsoft and other companies, etc.).

They are able to enter into someone's computer system, obtain various information, such as e-mail address, etc. and then could have sold the information to spammers. According to some studies, it is known that the average virus makers are male, aged under 25 (twenty five) years old and still single.

They sometimes want to get recognition from the community by creating and spreading computer viruses. Activities make the same virus as the action of writing graffiti, where the best will get a better status than the virus komunitasnya.Membuat sometimes a certain satisfaction to the author, and they will gain strength and popularity in cyberspace, while this can not they dapatenkan in the real world. They often use the names for the unique and strange existence, and also shows obsessed with fantasy figures idol.

Chronology of computer virus history

* 1950s - Bell Labs made an experimental game in which players use malicious programs to attack other players computers.
* 1975 - Author sci-fi story, John Brunner, imagine a computer worm spread through the network.
* 1984 - Fred Cohen introduced the term computer virus in the thesis.
* 1986 - The first computer virus called Brain written by two brothers in Pakistan.
* 1987 - Worm called Christmas tree IBM computer network attack.
* 1988 - Internet worm spreads on U.S. network DARPA.
* 1992 - There was panic in the world of Michelangelo virus.
* 1994 - Good Times hoax virus first appeared in the world.
* 1995 - The virus first document called Concept, present in the world.
* 1998 - CIH or Chernobyl became the first virus capable to interfere with computer hardware.
* 1999 - Melissa, a virus that spreads itself via e-mail spread throughout the world. Then the virus Bubbleboy, became the first virus that can infect your computer when you read your e-mail.
* 2000 - Love Bug, a virus e-mails are successful. At that time also found the virus on the Palm operating system.
* 2001 - The virus which claims to contain pictures tennis player Anna Kournikova infect thousands of computers around the world.
* 2002 - David L Smith, Mellisa virus maker, decided by U.S. courts to the prison for 20 months.
* 2003 - Blaster worm spreading on the Internet by exploiting weaknesses in the Windows operating system. At the same time spread the e-mail virus called Sobig, are made in August 2003 became the worst month for the virus incidents in that year.
* 2004 - Constructor Netsky and Bagle worms competing to achieve the greatest effect.

Would make a virus that is always wrong?

For all of us have agreed that the virus is a bad thing, but whether this is really true? Some viruses are not destructive or even some of the things that's funny. Anything else other viruses to warn us of a weakness in a particular software.

Some people have argued that this virus may be advantageous, for example, used to spread the bug fix. Unfortunately, viruses are not aimed at damaging this can not last long existence and still not be liked by everyone.

First, because the virus is able to change the settings on someone's computer without his knowledge. This is an unethical act as well as illegal in most countries in the world, whether good or bad purpose. You must not interfere with other people's computers, this same analogy you borrow someone else's car without permission, even if you fill the fuel.

Second, the virus often acted beyond the expectations of the virus creator. Virus generated at random could cause other problems bigger. Although it is not dangerous in certain systems, but this may cause problems on systems that lain.Ketiga, viruses can spread quickly, and in this case the manufacturer can not control the virus spread more and anyone can become infected by the virus.

In some cases, making the virus is considered as evidence that a new type of virus can do something about a system. This is usually called a proof-of-concept virus. These viruses usually do not have a specific effect and not distributed to the public network. There are other virus writers who claim as a research activity. Usually these viruses are not perfect workmanship so dangerous if released to the public.

Prevent virus

There are several things you can do to prevent viruses, will be presented following these things.

* Making people understand the risk of viruses,

Tell everyone that they are always at risk when opening e-mail, open e-mail attachments, downloading files from a site or exchanging a floppy disk. They must understand that the dangers of the virus is everywhere, and be careful.

* Install anti-virus program and update on a regular basis is,

Anti-virus programs can detect and sometimes are able to eradicate the virus. If the program offers on-access scanner, immediately use the facility.

* Always use the software patches to close security holes,

Always monitor the development of patches for the operating system you use. If there is a new immediate download and run to close the security hole on your computer. This will make the virus a little hard to spread.

* Use a firewall,

A firewall is able to prevent illegal access to computer systems or your network. This also can prevent the rapid spread of the virus into the network.

* Always backup your data regularly,

Always make a backup for all existing data on your computer. Choose the data and programs that you consider important and do regular backups. Sewakti-time if your computer is infected with a virus then you can do with the data and restore a clean program.