We are obviously working with that business the Australian Cyber Security Centre is engaging with them'.
"When we say that the health ministry was attacked you should understand that it wasn't the main server, it was local computers. actually nothing serious or deadly happened yet", German Klimenko, a presidential adviser, said on Russian state television.
"I'm anxious about how the numbers will continue to grow when people go to work and turn on their machines on Monday", he said.
Carmaker Renault said one of its French plants, which employs 3,500 people, wasn't reopening Monday as technicians dealt with the cyberattack's aftermath.
A spokesman for York Teaching Hospitals NHS Trust said its situation is "constantly improving". The figure could climb as new infections were reported in Asia.
Among those affected by the virus was Nissan, but the vehicle manufacturer said there had been no major impact.
Hitachi spokeswoman Yuko Tainiuchi said emails were slow or not getting delivered, and files could not be opened.
Foreign minister Julie Bishop on Sunday also confirmed there was one business under investigation of a possible cyber attack.
Officials say they're aware of those problems.
'Every institution, every consumer, every student with a laptop should make sure that their system is fully patched, ' she said. Hospitals, universities, manufacturers and government agencies in Britain, China, Russia, Germany and Spain have all been affected. "Otherwise they're literally fighting the problems of the present with tools from the past", Smith said.
Companies and governments spent the weekend upgrading software to limit the spread of the virus.
"The governments of the world should treat this attack as a wake-up call", said Microsoft. Companies that were hit by the worm, which is spread mostly by email, may be wary of making it public, they added. CJ CGV Co. was restoring its advertising servers at dozens of its movie theatres after the attack left the company unable to display trailers of upcoming movies.
"More action is needed, and it's needed now", he said.
Urging people to be patient with the staff due to the impact of the Friday's global cyber attack, Anne Rainsberry, NHS incident director, said pathology services were the most seriously affected, alongside imaging services, such as MRI and CT scans, and X-rays, which transmit images via computers.
The extortion scheme has created chaos in 150 countries and could wreak even greater havoc as more malicious variations appear.
The attack has hit more than 200,000 victims across the world since Friday and is seen as an "escalating threat", said Rob Wainwright, the head of Europol, Europe's policing agency.
In China, "hundreds of thousands" of computers at almost 30,000 institutions and organisations were infected by late Saturday, according to Qihoo 360, one of China's largest providers of antivirus software.
The Japan Computer Emergency Response Team Coordination Center, a nonprofit group providing support in computer attacks, said 2,000 computers at 600 locations in Japan were reported affected.