Detecting Secondary Infections in Virus Scanning
First Claim
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1. A method for scanning files in a computer system for detecting files infected with a computer virus, comprising:
- maintaining a friends tree for each file in the computer system;
seeking a first infected file infected with the computer virus;
maintaining a search tree for the first infected file using the friends trees, when the first infected file is detected;
searching the files listed in the search tree for a second infected file, when the first infected file is detected; and
quarantining the second infected file, when the second infected file is detected in the searching.
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Abstract
A method, computer program product or computer system for scanning files in a computer system to detect additional infected files of a computer virus when a first infected file of the computer virus is identified, includes maintaining a friends tree for each file in the computer system, maintaining a search tree using the friends trees for scanning the files, searching the files listed in the search tree for the additional infected files, and quarantining the additional infected files detected in the searching.
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Citations
24 Claims
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1. A method for scanning files in a computer system for detecting files infected with a computer virus, comprising:
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maintaining a friends tree for each file in the computer system; seeking a first infected file infected with the computer virus; maintaining a search tree for the first infected file using the friends trees, when the first infected file is detected; searching the files listed in the search tree for a second infected file, when the first infected file is detected; and quarantining the second infected file, when the second infected file is detected in the searching. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A computer program product for scanning files in a computer system for detecting files infected with a computer virus, the computer program product comprising:
a computer usable medium having computer usable program code embodied therewith, the computer usable program code comprising; instructions to maintain a friends tree for each file in the computer system; instructions to seek a first infected file infected with the computer virus; instructions to maintain a search tree for the first infected file using the friends trees, when the first infected file is detected; instructions to search the files listed in the search tree for a second infected file, when the first infected file is detected; and instructions to quarantine the second infected file, when the second infected file is detected in the searching. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A computer system comprising:
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a processor; a memory operatively coupled with the processor; a storage device operatively coupled with the processor and the memory; and a computer program product for scanning files in a computer system for detecting files infected with a computer virus, the computer program product comprising; a computer usable medium having computer usable program code embodied therewith, the computer usable program code comprising; instructions to maintain a friends tree for each file in the computer system; instructions to seek a first infected file infected with the computer virus; instructions to maintain a search tree for the first infected file using the friends trees, when the first infected file is detected; instructions to search the files listed in the search tree for a second infected file, when the first infected file is detected; and instructions to quarantine the second infected file, when the second infected file is detected in the searching. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24)
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Specification