Murray arrived in Russia having sealed back-to-back Masters Series titles in Cincinnati and, last week, Madrid, after reaching the US Open final in between.
Sunday's final was the 12th consecutive win for the world number four, who has also won titles in Doha and Marseille this year.
"I'm happy to win and to defend my title here," said Murray. "Andrey performed very well this week and, I believe, has a good chance to become a top-ranked professional."
The Briton, meanwhile, has been given a tricky draw for next week's Paris Masters.
As the fourth seed he receives a bye through to the second round, at which point he will meet Marcos Baghdatis or Sam Querrey.
The Scot is then likely to come up against Juan Martin del Potro or David Nalbandian in the quarter-finals and Rafael Nadal in the semis.
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