Types of Computer Virus

 Types of Computer Virus

Three types of computer virus:

1. Boot Virus

2. Program Virus

3. Micro Virus

Explain Viruses:

1. Boot Virus:  Boot viruses infects the boot records of hard disk and floppy disks. Generally these are considered more dangerous than program viruses. 

                                                        

2. Program Virus:  These viruses infect program files, which have extensions such as. COM.. , EXE.., SYS.. , DLL.. , OVL, SCR. program files are attractive targets for computer virus because they are widely used and have relativity, simple formats to which viruses can attach themselves. 

                                          

3. Macro Virus:  These Viruses infects data files, for example, Microsoft word document and template files are susceptible to macro virus attacks they spread rapidly as infected document

 are shared on networks or downloaded from internet sites.