How to check an app downloaded from a third party source


Google checks all appli­ca­tions in Play­Mar­ket for virus­es and hid­den mali­cious fea­tures. But if you are try­ing to install an appli­ca­tion on your smart­phone that has been down­loaded from a third-par­ty source as an APK file, then you can­not rely on this pro­tec­tion. For­tu­nate­ly, there are oth­er secu­ri­ty sys­tems on the web.

Before you run any APK file down­loaded from the net­work on your smart­phone, we strong­ly rec­om­mend that you check it with a scan­ner MetaDe­fend­er Cloud. This is a free tool that runs the appli­ca­tion through the data­bas­es of 40 antivirus­es at the same time.

To check the APK file, you need to upload it to the serv­er by click­ing on the paper­clip icon (file attach­ment) in the search bar of the ser­vice, and then click the “Process” but­ton. The ser­vice scans the file in sec­onds and shows the results of each antivirus involved, meta­da­ta and appli­ca­tion rights.

MetaDe­fend­er is con­ve­nient because it does not require instal­la­tion, and it can be accessed, includ­ing from a smart­phone. The only dis­ad­van­tage of this ser­vice is that it only allows you to scan files up to 140 MB. How­ev­er, this should be suf­fi­cient for the vast major­i­ty of exist­ing appli­ca­tions. MetaDe­fend­er Cloud also allows you to check for secu­ri­ty not only files, but also web­sites, domains, IP address­es or hash­es.

All in all, this is an amaz­ing­ly use­ful tool that we rec­om­mend book­mark­ing for any­one who cares about secu­ri­ty and dig­i­tal hygiene.







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