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Thread: Malware threats found in the Master Boot Record

  1. #1
    HappyAndyK's Avatar
    HappyAndyK is offline Site Administrator
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    Jun 2008

    Post Malware threats found in the Master Boot Record

    The Master Boot Record, the most important data structure on the disk, is created when the disk is partitioned. The MBR contains a small amount of executable code called the master boot code, the disk signature, and the partition table for the disk. At the end of the MBR is a 2-byte structure called a signature word or end of sector marker, which is always set to 0x55AA.

    The master boot code performs the following activities:
    1. Scans the partition table for the active partition.
    2. Finds the starting sector of the active partition.
    3. Loads a copy of the boot sector from the active partition into memory.
    4. Transfers control to the executable code in the boot sector.

    To read about malware threats found in the MBR visit Microsoft Malware Protection Center.

    re-BOOT This Year Clean - Microsoft Malware Protection Center - Site Home - TechNet Blogs

  2. #2
    Corrine's Avatar
    Corrine is offline Gold Member
    Join Date
    Jan 2009
    Upstate NY


    After reading about the threats in the MMPC article, I suggest MBR Backup by Mischel Internet Security. (Originally released in September, see New! MBR Backup by Mischel Internet Security). Now at Version 2.

    MBR Backup - Back up your Master Boot Record (Freeware)

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