Yeah, I completly understand your point to diferentiate between "Normal People", like yourself and me, with the "ruling regime and figures" as likes of Khameneh iee, Putin or Trump.
On the other hand, Russia was not and is not considered a respectable neighboor, nor ally throughout past 250 years.
I believe Polish people and their view about Russia, is a good example for what most of Iranian people think of Russia. I used Poland as an example, for several reasons, including my very tiny knowledge about History of Poland within past 250 years, and as a European Nation, pretty sure there are more sources available in English about this subject.
Red and Black, as we call it, was not productive for us, Iranians throughout history.