A novel pattern recognition system for detecting Android malware by analyzing suspicious boot sequences

Jorge Maestre Vidal, Marco Antonio Sotelo Monge, Luis Javier García Villalba

Producción científica: Contribución a una revistaArtículo (Contribución a Revista)revisión exhaustiva

33 Citas (Scopus)


This paper introduces a malware detection system for smartphones based on studying the dynamic behavior of suspicious applications. The main goal is to prevent the installation of the malicious software on the victim systems. The approach focuses on identifying malware addressed against the Android platform. For that purpose, only the system calls performed during the boot process of the recently installed applications are studied. Thereby the amount of information to be considered is reduced, since only activities related with their initialization are taken into account. The proposal defines a pattern recognition system with three processing layers: monitoring, analysis and decision-making. First, in order to extract the sequences of system calls, the potentially compromised applications are executed on a safe and isolated environment. Then the analysis step generates the metrics required for decision-making. This level combines sequence alignment algorithms with bagging, which allow scoring the similarity between the extracted sequences considering their regions of greatest resemblance. At the decision-making stage, the Wilcoxon signed-rank test is implemented, which determines if the new software is labeled as legitimate or malicious. The proposal has been tested in different experiments that include an in-depth study of a particular use case, and the evaluation of its effectiveness when analyzing samples of well-known public datasets. Promising experimental results have been shown, hence demonstrating that the approach is a good complement to the strategies of the bibliography.

Idioma originalInglés
Páginas (desde-hasta)198-217
Número de páginas20
PublicaciónKnowledge-Based Systems
EstadoPublicada - 15 jun. 2018
Publicado de forma externa


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