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Techniques for remediating an infected file

  • US 9,792,436 B1
  • Filed: 04/29/2013
  • Issued: 10/17/2017
  • Est. Priority Date: 04/29/2013
  • Status: Active Grant
First Claim
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1. A method for remediating an infected file comprising the steps of:

  • maintaining a plurality of file identities within a remediation repository each associated with a file, wherein for each file identity one or more regions of interest of the associated file are selectively identified, the one or more regions of interest for each file collectively representing less than all of the file;

    in response to identifying an infected file, selecting a file associated with a file identity from the remediation repository that matches the infected file;

    selectively comparing at least one of a plurality of portions of the one or more regions of interest of the matching file with one or more corresponding portions of regions of the infected file; and

    based on selectively comparing the portions of the regions, replacing at least one of the plurality of portions of the one or more regions of the infected file with the at least one corresponding portion of the one or more regions of interest of the matching file,wherein portions of the one or more regions of interest that are particularly likely to be infected by a virus are divided into smaller portions than less vulnerable portions prior to the file being identified as infected.

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