The Features Of Computer Virus

A computer virus is a program, a executable code

, the normal use of the computer to destruction, makes the computer can't be used normally even the entire operating system or computer hard disk damage. Just like a biological virus, computer viruses have the unique ability to copy. A computer virus can spread quickly, and often die hard. They can put their own adhere to the various types of files. When a file is copied from a user or transfer to another user, they spread together with documents. This program is not independent existence and its hidden in the other executable in, both destructive, and infectious and latent. Light will influence the running speed of the machine, the machine can't normal operation; Heavy then to make the machine paralyzed, will give the user may bring immeasurable loss. Usually this kind has the destructive to the program, called a computer virus.

In addition to copy the ability, some computer viruses and other common characteristics: a polluted program can transmit the virus carrier. When you see the virus carrier seems to just reflected in the text and images, they remove trojan may also have destroyed documents, then the format your hard drive or cause other types of disasters. If the virus does not live on a pollution program, it still occupy the storage space through to trouble you, and reduce your computer's all performance.

A computer virus: a computer program that can be attached in the executable file or hides in the system data area, at boot or perform some program into memory quietly, and then the other files for infection spread out, and then under the conditions specified to damage the system or harassment users. There are a lot of clear virus software, but the new virus or emerge in endlessly, become a big hazard.

Computer viruses have the following features:

(1) the parasitic

Computer virus in other programs of parasitic, when to carry out the program, since the virus will damage, and in did not start this before program, it is not easy to be found.

(2) contagious

A computer virus is not only destructive, more harmful is infectious, once a virus was copied or produce varieties, and the speed is hard to prevent.

(3) latent

Some viruses like time bombs, let it attacks in advance what time is good design. Such as black Friday virus, less than the scheduled time point perceived not to come out, wait until conditions possess the time was explosion spread from the destruction of the system.

(4) concealment

A computer virus has a very strong characteristic of concealment, some can through the virus software check out, and some simply look not to come out, some appear and disappear, changeable, this kind of virus treatment up it is often difficult.

by: anvi

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