In his statement, reported by Fars, army chief of staff Gen Firouzabadi accused some EU members of supporting the riots, and demonstrating their hostility to the Iranian people.
The EU has yet to comment, but earlier urged Iran to avoid conflict with the international community.
Previously, Iran had aimed its allegations at Britain in particular and at the weekend detained the local employees of its embassy. Five were released on Monday, and a further three on Wednesday.
Iran says it is enriching uranium for power plants, but some Western countries suspect it plans to build nuclear weapons.
Three EU countries – Britain, France and Germany – have led negotiations over Iran’s nuclear programme, along with the United States, Russia and China.