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Today, 27th of June, ransomware called Petya infected computers all over the globe. First countries under attack were Ukraine and Russia. It locks the computer and demands 300$ in Bitcoins to unlock it.
Virus is known since 2016. It spreads thru spam, masks under the resume. Uninstructed user clicks on it, type-in the administarors' password, reboots the PC and gets blocked.
In 2016, virus sent users to a deepweb site with instructions how to pay for unblocking. Now, only email is stated where user should write for further instructions.
Today, virus infected, for example, computers of Russian banks, "Rosneft", and bunch of governmental institutes and big companies in Ukraine (Ukrainian Railways, Cabinet of Ministers, Boryspil Airport, UkrMail, Kiev Subway, Ukrenergo, banks and mobile operators).
Screenshot from infected PC
Specialists note that part of Petya, responsible for blocking, intercepts the management of the computer at the earliest stage of the download. It is written by highly qualified programmers.
The easiest way to secure your PC from ransomware is not open suspicious email.