The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 02, 2024

Filed:

Jan. 18, 2021
Applicant:

Avast Software S.r.o., Prague, CZ;

Inventors:

Martin Bálek, Teplice, CZ;

Fabrizio Biondi, Prague, CZ;

Dmitry Kuznetsov, Prague, CZ;

Olga Petrova, Vrsovice, CZ;

Assignee:

Avast Software s.r.o., Prague, CZ;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); G06F 21/56 (2013.01); G06N 20/00 (2019.01); G06F 21/54 (2013.01); G06F 18/21 (2023.01);
U.S. Cl.
CPC ...
G06F 21/566 (2013.01); G06F 18/217 (2023.01); G06F 21/54 (2013.01); G06F 21/568 (2013.01); G06N 20/00 (2019.01);
Abstract

A reference file set having high-confidence malware severity classification is generated by selecting a subset of files from a group of files first observed during a recent observation period and including them in the subset. A plurality of other antivirus providers are polled for their third-party classification of the files in the subset and for their third-party classification of a plurality of files from the group of files not in the subset. A malware severity classification is determined for the files in the subset by aggregating the polled classifications from the other antivirus providers for the files in the subset after a stabilization period of time, and one or more files having a third-party classification from at least one of the polled other antivirus providers that changed during the stabilization period to the subset are added to the subset.


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