The State Duma voted to approve the controversial act in the third and final reading despite strong opposition from the public, activists, mass media and state officials.

420 of 450 Lower House members voted in favor of the Dima Yakovlev bill and seven voted against with one abstention.
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The whole bill, that was named after Dima Yakovlev, a two-year old Russian who died from heatstroke after his adoptive US father left him locked in a car on a hot day, is a reply to the US Magnitsky Act – the recently approved entry ban and asset freeze on Russian tax, law and court officials who, in view of the authors of the act, are guilty of violations of Human Rights.

Russia has blasted the Magnitsky Act as an attempt to influence justice in a sovereign country. Russian politicians also promised their country would retaliate and prepared the Dima Yakovlev bill that also imposed a Russian visa ban and an asset freeze on US citizens who are allegedly complicit in violating the human rights of Russians.
[...]

http://rt.com/politics/duma-us-ban-bill-540/