Virus boot anticmos

Unlike the A and B variants, the C variant remained in the field for a very short time, and is thus considered very minor. Jump to: navigation , search. Navigation menu Personal tools Log in. Namespaces Page Discussion.

Views Read View source View history. Navigation Main page Recent changes Random page. Step 1 For Windows XP and Windows Server users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer. Press the restart button of your computer. When prompted, press any key to boot from the CD. When prompted on the Main Menu , type r to enter the Recovery Console. Here are the instructions how to enable JavaScript in your web browser.

Platform :. AntiCMOS is a typical boot sector virus infecting master boot sectors on hard disks and boot sectors on diskettes. The virus infects a hard disk only if the user tries to boot from an infected diskette. If the hard disk is infected the virus infects practically all diskettes that are used in the computer. A has an activation routine that tries to modify the setup information in the CMOS memory.

B tries to play a tune. Due a bug in the code, neither of these routines will probably ever get to be executed. It's now common all over the world.

This is a variant of the Junkie Boot sector virus. Once infected file is executed it alters sector 4 and 5 of the hard disk Side 0. During the next boot up it automatically becomes memory resident and it hooks the Interrupt 12h. It also infects disk boot sectors, whenever it is accessed. Michelangelo carries a payload, which is triggered on March 6th. The payload on this day is to delete the files present on the infected system.

Michelangelo virus first appeared in April Other names of Michelangelo: This virus is also known as Stoned. Michelangelo, Michelangelo. Information about the NYB virus:. This virus infects the boot sector of floppy disks and the partition table MBR of the hard disks. NYB uses stealth techniques to hide its presence when it is in active in the memory.

NYB virus randomly tries to move the floppy drive head to an invalid track and sector number. Information about the Ripper virus: This virus infects the boot sector of floppy disks and the partition table MBR of the hard disks. The virus encrypts its code while infecting.

Ripper virus uses stealth techniques to hide its presence when it is in active in the memory. Ripper will alter the data written randomly. This could result in data corruption. Ripper virus first appeared in and it is in the wild. View my complete profile. Information about the Boot Information about the Dodgy Virus:. Information about the Form virus:.

B Virus:. Information about the Kampana virus:. Information about the Monkey virus:.