Virus is a computer program that has the ability to destroy files or damage a computer system. This of its very be avoided because it is very detriment of the user or computer user. Then the virus has various types and has a way of working is different,
These types of viruses and how his work:
1.Virus Files
This virus has infected the workings of an existing application or document on your computer. When an infected application is executed, the virus will spread by infecting files or documents accessed by the application.
2.Virus
Boot Sector Virus has a way of working that is infecting the hard disk boot sector (boot sector is an area in the hard drive is accessible when the computer is first turned on). If the boot sector virus is active, users will not be booting computer normally.
3.Virus E-mail This virus has a way of working that is spread via e-mail (usually in the form of attached files / attachments). The virus has a special characteristic of the extension. Scr,. Exe,. PIF, or. Bat. If the virus is active, it will transmit itself to the various e-mail addresses contained in the user's address book.
4.Virus Multipartite
This virus has a way of working that infects computer files on the hard disk boot sector as well. This type of virus will cause many problems because it causes a fatal damage.
5.Virus
polymorphic virus has a unique way of working with this virus can change the code itself (change form) while spreading itself to Another computer virus type more difficult to detect because they have such properties.
6.Virus Beast (stealth virus)
This virus has a way of working that is he able to hide himself by making an infected file as if the file is not infected. Macro 7.Virus
This virus has a way of working which infect Microsoft Office applications, such as Word and Excel. Documents Usually
infected by Macro Virus will modify the existing command in Microsoft Office such as the "Save" to spread itself when the command is executed. (Ictfiles)
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