The following types of viruses and how each of the virus:
Virus Files
This virus has infected the workings of the application or document in your computer.
When an infected application is run, the virus will spread in a way to infect all files or documents accessed by the application.
Boot Sector Virus
This virus has infected the workings of the hard disk boot sector (boot sector is an area in the first hard drive when the computer is turned on accessible).
If the boot sector virus is active, users will not be booting the computer normally.
E-mail Virus
This virus has a way of working that is spread via e-mail (usually in the form of an attachment file attachment).
The virus has a special feature of the extension. Scr,. Exe,. Pif, or. Bat.
If the virus is active, then he would send himself to the various e-mail addresses contained in the user's address book.
Multipartite Virus
This virus has a way of working that infects computer files and boot sector on the hard disk.
This type of virus will cause many problems since they cause fatal damage.
Virus Polimorfis
This virus has a unique way of working is the virus may change the code itself (change form) while spreading itself to other computers
The virus type is more difficult to detect because it has such properties ..
Stealth Virus
This virus has a way of working that he was able to hide themselves by making an infected file as if the file is not infected.
Macro Virus
This virus has infected the workings of Microsoft Office applications like 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.
