How Computer Viruses Work by type

Virus is a computer program that has the ability to destroy files or damage the computer system.

The virus has various types of work and have a different,

Following types of viruses and how to work each virus:

1. Virus of Files

Virus of Files have a way to do that is working against the infection of the application or document that is in your computer.

2. Boot Sector Virus
Boot Sector Virus have any way to do that is working against the infection hard disk boot sector (boot sector is a region in the first hard drive is accessed when the computer is turned on).
If the boot sector virus is active, users will not be able to boot computer normally.

3. E-mail Virus
This virus has a job that is spread through e-mail (usually in the form of file attachments / attachment).
The virus has a characteristic form of a special extension. Scr,. Exe,. Pif, or. Bat.
When the virus is active, then they will submit himself to the various e-mail address listed in the user's address book.

4. Multipartite Virus
Multipartite virus that is doing work against the infection of computer files at once on the hard disk boot sector.
This type of virus will cause many problems because of the damage caused fatal.

5. Polimorfis Virus

This virus has a unique way of working that this virus can change the code itself (change shape) when spread itself to other computers
Virus type more difficult to detect because it has such a nature ..

6. Invisible Virus (stealth virus)

This virus has a job to Hide itself with how to create a file that seems infected file is not infected.

7. Macro virus
This virus that is doing work against the infection of Microsoft Office applications, such as Word and Excel.
Documents are usually infected by a macro virus will modify the existing command in Microsoft Office such as the "Save" to spread itself when the command is executed.

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