Switzerland beat Colombia 4-3 on penalties after a goalless draw on Tuesday to set up a World Cup quarter-final with defending champions Argentina.
Switzerland moved into the last 16 of the World Cup with a controlled 2-0 win against Algeria on Thursday.
The asset freeze does not affect any members of the current Venezuelan government.
Swiss investigators worked Saturday to identify the last victims and exact cause of the blaze that killed 40 New Year's revellers at a packed bar in the ski resort of Crans-Montana.