Russian AirBridge Cargo on unusual route

A Russian Air Bridge Cargo B744 was on an unusual route between Moscow and Germany, passing Finland which made the Finnish Army nervous:

Route was requested and approved by Eurocontrol, however the reason for that deviation was not given.

Details (in German):
Air Bridge Cargo: Russische Boeing 747 fliegt rätselhaften Umweg über Finnland und Ostsee - aeroTELEGRAPH