What is a Virus on a Computer and What Does It Do

Technology has always been an amazing thing, but throughout time, whenever a new piece of technology is developed, there is always someone out there trying to sabotage it.

As always new ways are invented to combat that sabotage, and the technology we will be discussing today of course would be the computer.

The computer virus was invented decades ago, but it has evolved quite nicely. There are a few things to note about viruses, particularly what defines them as we will be briefly discussing on this page:

 What is a Virus on a Computer and How Does It Work

• A virus will reproduce.
• A virus does not necessarily have to destroy your hard drive.

A computer virus will infect your computer directly and it will begin to reproduce. The point of the reproduction of course is to ensure that you cannot actually stop it. There are a few ways however, even if deleting one folder at a time seems a bit useless.

The best way for you to get rid of viruses is to simply download a decent anti-virus program. There are quite a few out there, for instance Norton is a good paid virus removal program that you can normally obtain as a free trial. Keep in mind that there are also a few others, some of which are actually free. One good example would be AVG Free which provides comprehensive protection along with up to date virus definitions.

Virus definitions are actually essential if you plan to effectively defend against those viruses. The thing to remember is that without definitions, your virus protection software will have no idea what to look for, and therefore you will simply have a useless piece of software. Learn more on how to fix slow computer problems here

Tracking down the virus is essential but it is not something that you can do alone. Instead you will need to rely on various programs and ensure that they are put out of your misery once and for all. No, it won't be easy, and some viruses are very persistent, but in the end, when you finally have your computer back, you will realize it was worth it.

 What is a Virus on a Computer

To get it out of the way, we will discuss exactly what a Trojan horse is, and what it can do to harm you. If you remember the story, the Trojan horse was wheeled into Troy after a ten year siege of the city. In a similar fashion, hackers who use a Trojan have given up on brute force attacks and would much rather assault you with what appear to be friendly gestures.

• A Trojan horse cannot be defined as a virus, contrary to popular belief

One great example of a trojan horse that you should be careful about, would be a website that appears similar to your bank login, but is actually designed with the intent of gathering your personal information.

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