Russian hackers download to the online store's harmful applications that can spy on the owner of a smartphone. This is stated in the report of Lookout, a company that deals with digital security, Voice of America informs. We are talking about mobile versions of programs for Android, in particular, Skype, Signal, and Pornhub."Lookout has discovered a highly targeted mobile malware threat that uses a new and sophisticated set of custom Android surveillanceware tools called Monokle that has possible connections to Russian threat actors. Lookout research indicates these tools are part of a targeted set of campaigns and are developed by the St. Petersburg, Russia-based company, Special Technology Centre, Ltd. (STC, Ltd. or STC)," the company reported.Lookout emphasizes that this is a common method used by malware developers.