What do you mean by that? Sure he brought back some regulations in the market to stabilize it and make it functional after the ultra-free market Shock Therapy completely impoverished and destroyed the Russian economy. But, even if you think he is cynical, he is mostly appealing to Russian nationalism and Eastern Orthodox Christianity to appeal to his base. I would more describe him as a Nationalist Liberal, but outside the US definition of liberal being Democrat aligned and conservative means Republican aligned, liberal and conservative are not mutually exclusive.

Unless you are using the definition of conservative to mean trying to bring back and maintain the past, which depending on your timescale would mean that he is trying to bring back the Soviet system. In that case he would definitely not be a conservative.