Further to reports of a massive cyber attack hitting a number of companies in Ukraine, including banks, energy companies and transport services as well as the government, we believe this is another example of the Petya-based ransomware, which was first identified in 2016. A few months ago, we spotted Petya ransomware patched and bundled in a different malware strain called PetrWrap. The attack appears to be spreading with incidents being reported in Russia, India, France, Spain and also the Netherlands, and those behind the attack demanding a $300 ransom to be paid in the cryptocurrency, Bitcoin.

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Petya-based ransomware using EternalBlue to infect computers around the world