Threema does not fall under Russian jurisdiction, so no. http://www.ewdn.com/2017/03/16/russia-adds-intrernational-messenger-threema-to-official-registry-with-

Threema does not fall under Russian jurisdiction, so no. http://www.ewdn.com/2017/03/16/russia-adds-intrernational-messenger-threema-to-official-registry-with-a-view-to-control-users-communications/ http://www.ewdn.com/2017/03/16/russia-adds-intrernational-me... > Interviewed by Runet Echo, a Threema spokesperson said, however: “We operate under Swiss law and are neither allowed nor willing to provide any information about our users to foreign authorities.”