Ransomware attack strikes companies across Europe and U.S.

The Guardian reports: Victims of a major ransomware cyberattack that has spread through the US and Europe can no longer unlock their computers even if they pay the ransom.

The “Petya” ransomware has caused serious disruption at large firms including the advertising giant WPP, French construction materials company Saint-Gobain and Russian steel and oil firms Evraz and Rosneft.

Infected computers display a message demanding a Bitcoin ransom worth $300. Those who pay are asked to send confirmation of payment to an email address. However, that email address has been shut down by the email provider.

“We do not tolerate any misuse of our platform,” said the German email provider Posteo in a blog post.

This means that there is no longer any way for people who decide to pay the ransom to contact the attacker for a decryption key to unlock their computer.

“This is not an experienced ransomware operator,” said Ryan Kalember, senior vice-president of cybersecurity strategy at Proofpoint.

The attack was first reported in Ukraine, where the government, banks, state power utility and Kiev’s airport and metro system were all affected. The radiation monitoring system at Chernobyl was taken offline, forcing employees to use hand-held counters to measure levels at the former nuclear plant’s exclusion zone. [Continue reading…]

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