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In order to detect Android malware effectively, this paper proposes a novel lightweight static detection model, <jats:italic>TinyDroid<\/jats:italic>, using instruction simplification and machine learning technique. First, a symbol-based simplification method is proposed to abstract the opcode sequence decompiled from Android Dalvik Executable files. Then, N-gram is employed to extract features from the simplified opcode sequence, and a classifier is trained for the malware detection and classification tasks. To improve the efficiency and scalability of the proposed detection model, a compression procedure is also used to reduce features and select exemplars for the malware sample dataset. <jats:italic>TinyDroid<\/jats:italic> is compared against the state-of-the-art antivirus tools in real world using Drebin dataset. The experimental results show that <jats:italic>TinyDroid<\/jats:italic> can get a higher accuracy rate and lower false alarm rate with satisfied efficiency.<\/jats:p>","DOI":"10.1155\/2018\/4157156","type":"journal-article","created":{"date-parts":[[2018,10,17]],"date-time":"2018-10-17T19:32:18Z","timestamp":1539804738000},"page":"1-9","source":"Crossref","is-referenced-by-count":50,"title":["TinyDroid: A Lightweight and Efficient Model for Android Malware Detection and Classification"],"prefix":"10.1155","volume":"2018","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4664-3311","authenticated-orcid":true,"given":"Tieming","family":"Chen","sequence":"first","affiliation":[{"name":"College of Computer Science and Technology, Zhejiang University of Technology, Hangzhou 310023, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qingyu","family":"Mao","sequence":"additional","affiliation":[{"name":"College of Computer Science and Technology, Zhejiang University of Technology, Hangzhou 310023, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yimin","family":"Yang","sequence":"additional","affiliation":[{"name":"College of Computer Science and Technology, Zhejiang University of Technology, Hangzhou 310023, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mingqi","family":"Lv","sequence":"additional","affiliation":[{"name":"College of Computer Science and Technology, Zhejiang University of Technology, Hangzhou 310023, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jianming","family":"Zhu","sequence":"additional","affiliation":[{"name":"College of Information Engineering, Central University of Finance and Economics, Beijing 100081, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","reference":[{"key":"5","doi-asserted-by":"publisher","DOI":"10.1155\/2015\/479174"},{"key":"6","doi-asserted-by":"publisher","DOI":"10.1155\/2016\/6707524"},{"key":"7","doi-asserted-by":"publisher","DOI":"10.1016\/j.neucom.2017.07.030"},{"key":"8","doi-asserted-by":"publisher","DOI":"10.1109\/tii.2017.2789219"},{"key":"9","doi-asserted-by":"publisher","DOI":"10.1007\/s12243-017-0580-9"},{"key":"10","doi-asserted-by":"publisher","DOI":"10.1145\/3017427"},{"key":"11","doi-asserted-by":"publisher","DOI":"10.1016\/j.cose.2014.11.001"},{"key":"12","doi-asserted-by":"publisher","DOI":"10.1155\/2018\/1649703"},{"key":"13","doi-asserted-by":"publisher","DOI":"10.1155\/2017\/6451260"},{"key":"14","doi-asserted-by":"publisher","DOI":"10.1016\/j.diin.2015.02.001"},{"key":"20","doi-asserted-by":"publisher","DOI":"10.4304\/jnw.7.4.715-722"},{"key":"21","doi-asserted-by":"publisher","DOI":"10.1016\/j.ins.2011.08.020"},{"key":"26","doi-asserted-by":"publisher","DOI":"10.1016\/s1005-8885(14)60506-9"},{"issue":"4","key":"27","first-page":"467","volume":"18","year":"1992","journal-title":"Computational linguistics"},{"key":"28","doi-asserted-by":"publisher","DOI":"10.1007\/s11416-016-0283-1"},{"key":"30","doi-asserted-by":"publisher","DOI":"10.1126\/science.1136800"},{"key":"31","doi-asserted-by":"publisher","DOI":"10.1016\/j.eswa.2014.04.009"},{"key":"32","year":"2011"}],"container-title":["Mobile Information Systems"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/downloads.hindawi.com\/journals\/misy\/2018\/4157156.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/downloads.hindawi.com\/journals\/misy\/2018\/4157156.xml","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/downloads.hindawi.com\/journals\/misy\/2018\/4157156.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2018,10,17]],"date-time":"2018-10-17T19:32:22Z","timestamp":1539804742000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.hindawi.com\/journals\/misy\/2018\/4157156\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2018,10,17]]},"references-count":18,"alternative-id":["4157156","4157156"],"URL":"https:\/\/doi.org\/10.1155\/2018\/4157156","relation":{},"ISSN":["1574-017X","1875-905X"],"issn-type":[{"value":"1574-017X","type":"print"},{"value":"1875-905X","type":"electronic"}],"subject":[],"published":{"date-parts":[[2018,10,17]]}}}