International Atomic Energy Agency Director General Yukiya Amano says that, "with cooperation" from Tehran, a report could be finalized before January.
The cybersecurity firm Kaspersky discovered the malware on one of its computers first. When its researchers searched millions of computers for the virus, they found it at three key luxury hotels.
The four families testify before a House committee and urge the U.S. to step up efforts. The renewed focus comes as Iran and world powers try to work out a nuclear deal ahead of a June 30 deadline.
The comments came in an interview with The Atlantic. The president also discussed the nuclear talks with Iran and his often-frosty relationship with Israel's political leadership.
On the committee level in the Senate, Republicans and Democrats have been able to get deals done. The problem will be what happens after bills leave the committees and head to the Senate floor.