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:
Jun. 09, 2020

Filed:

Sep. 29, 2017
Applicant:

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

Inventor:

Libor Mo{hacek over (r)}kovský, K{hacek over (r)}em{hacek over (z)}e, CZ;

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/56 (2013.01); H04L 29/06 (2006.01); G06F 11/30 (2006.01); G06F 11/34 (2006.01); G06F 21/52 (2013.01);
U.S. Cl.
CPC ...
G06F 21/566 (2013.01); G06F 11/302 (2013.01); G06F 11/3476 (2013.01); G06F 21/52 (2013.01); H04L 63/1416 (2013.01); G06F 2201/86 (2013.01); G06F 2221/033 (2013.01); G06F 2221/034 (2013.01); G06F 2221/2101 (2013.01);
Abstract

Detecting malware includes monitoring an event stream for an executable program, where the event stream includes a plurality of events such as API call events. A first plurality of hash values is determined for the event stream. In response to an occurrence of a trigger event in the event stream, the first plurality of hash values for the event stream can be compared with a second plurality of hash values that represents an event stream for a known malware executable. A determination can be made if a behavior represented by the first plurality of hash values is a permitted behavior based on the comparison.


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