Investigators say the two, who were arrested in February, were part of an organised crime group active in a number of states.
The Czech Republic extradited two Ukrainians suspected of cybercrime and money laundering to the United States at the start of this month, Czech Television reported on Saturday.
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A spokesperson for the Czech police's organised crime division said the two were highly-placed members of the group, which used state of the art cybercrime methods and opened bank accounts in this country using false identities.