Viruses worms and trojans that operate on Symbian devices are becoming from a technical curioisity to a threat. The localized outbreaks caused by Cabir and Commwarrior worm variants indicate, that in any large organization, the possibility of employee phones being infected by mobile malware is increasing with time. While the current Symbian malwares are still technically rather primitive, they can be rather difficult to handle and disinfect without proper knowledge how to operate with Symbian based smartphones. The purpose of this talk is to give information how to handle, analyze and disinfect Symbian based malware threats. The presentation will give overview of Symbian OS from malware point of view, most common Symbian malware, brief overview how to malware works, and how to counter malware infection both on the network and individual phone level.