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Once the virus is triggered the first 2048 sectors of each hard drive in the
computer are overwritten with random data. This area of the hard drive contains
important information about the files on the computer. Without this file
information the computer will think the hard drive is empty. The virus will also
write one byte of data to the BIOS boot block which is critical for booting a
computer.
2000 anti norton virus window xp Writing to the system BIOS can be prevented by setting a jumper on most motherboards. Contact the computer vendor or motherboard vendor for assistance with their product. If the virus succeeds in reprogramming the flash BIOS ROM, there is no software remedy for it: your PC will no longer be bootable and the flash BIOS will need to be replaced or re-programmed in a special EEPROM programming device. blaster ms remove worm Where the flash BIOS ROM is permanently attached to the motherboard, the entire motherboard will need replacing. Due to the rapidly-changing nature of computer viruses, an antivirus product is only as good as its' virus definition set. This is a file which contains information on all currently known viruses, worms, and Internet Trojans. Norton Antivirus must be updated to obtain the latest definition sets frequently. For on-campus users of Symantec Antivirus Corporate Edition and Symantec Antivirus for the Macintosh, this is accomplished automatically. free mcfee scan virus Symantec Antivirus is a software utility which monitors all disk and network
activity on your computer for known virus behaviors. When virus activity is
detected, Symantec Antivirus halts the activity and removes or cleans the
virus. The damage caused to the information on the hard disk is possibly
recoverable by using data recovery services, and the success depends on the disk
size, format, fragmentation |