Android Malware - How is it detected?

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http://androidforums.com – Hi, Im currently researching Android security as part of a Masters thesis and I'm currently looking at the various AntiVirus applications available. Firstly, I know that all android apps(including AV) run in a sandbox which isolates them from other parts of the system and this leads me to believe that AntiVirus protection is not very useful apart from the other functionality it is bundled with, i.e. remote wipe etc. However, recent tests by av-test.org have shown that many of the current AV apps are getting better at detecting malware on Android. http://www.av-test.org/fileadmin/pdf/avtes (General)