Virus

VIRUS

VIRUS (Vital Information Resource Under Seize) is software use to infect a computer. After virus code is written it is buried with in an essential programmed. One the programmed is evacuated the virus code is activated and attacks copies of itself to other programmers. The effect of virus may be a simple park the scraps of a message on the screen or it may be destroy7 programmers and data right always or on a certain data it can lie dramatic and do its damage one is year or on a particular data. A common type virus is a boot virus which is stored in the boot sector of disk if the disk is left in the drive when the machine is infected with floppy, CD, hard disk expecting to the find the operating there once the machine is effected the boot virus may replicate it self on to all the floppies. That it is read or reader in the machine from then or until it is Indicated.

A virus current be attach data it must attack to be removable programmed that is down loaded into or installed in the computer, the virus attacked programmed most be execuited in order to active the virus.

VIRUS SCANNING: - An antiviral programmed that searches for binary pattern or signatures of known the pattern have to be continue updated and most antiviral progress work in the manner.

ANTIVIRUS PROGRAMME: - A computer programmes that memory and man storage to identity violate and Eli mate virus and examine in coming file for virus as the computer receives.

TYPES OF VIRUS: VIRUS is classified in to tree types: -

1) BOOT VIRUS
2) FILE VIRUS
3) PARTITION VIRUS