Ukraine’s national bank, state power company and largest airport are among the targets of a huge cyber attack on government infrastructure.
Rozenko Pavlo, the deputy Prime Minister, said he and other members of the Ukrainian government were unable to access their computers.
“We also have a network ‘down’,” he wrote. “This image is being displayed by all computers of the government.”
The photo showed his PC displaying a message claiming a disk “contains errors and needs to be prepared”, urging the user not to turn it off.
Images from other affected computers and disabled cash points showed what appeared to be ransomware, demanding a payment of $300 (£235) in Bitcoin to re-gain access to encrypted files.
Analysts said the virus, named Petrwrap or Petya, appeared to work similarly to the WannaCry ransomware that infected more than 230,000 computers in 150 countries last month.
That attack hit NHS hospitals and trusts, Nissan and Renault, but there were no …
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