Patent ID: 8387141

Claim:
A mobile communication device security system, the system comprising: a mobile communication device; an operating system running on the mobile communication device; security modules installed under the mobile device operating system, wherein each security module includes components that implement some functionality natively and components that implement some functionality non-natively; the security modules comprises at least an anti-spam module and an anti-virus module; wherein the anti-virus module performs natively any of the following: (a) adding methods to classes.dex and replacement of their calls, (b) adding classes to classes.dex, and (c) replacing classes in classes.dex; wherein the anti-virus module also performs any of the following: (d) processing of applications over which control is being established, (e) receiving and unpacking of distributive files, (f) packing of the changed/edited applications to distributive files, (g) signing of the new distributive file with a generated signature, (h) requests to user for installation/removal of the applications, and (i) changes to AndroidManifest.xml; wherein the anti-spam module performs any of the following: (j) SMS intercepts, (k) validation of SMS sender's number, (l) interactions with the user, and (m) whitelist/blacklist checks of the SMS.