The people of Indonesia is famous as the friendly person because his costume who likes to smile even to people who are not known in advance. A habit that probably most of us have often done this it turns out we cannot apply during your stay in Russia there.
In Russia there, the usual smile reserved only for family members, friends and colleagues at work. This is just another typical thing Russia, and should you not smile at random strangers while being up the public transport or shopping. Russia says people smiling for no reason is a fool.