Just over a month after the infamous WannaCry attack, a new worldwide ransomware attack is here again. Its name is Petya, or Petwrap, ransomware, it’s hit companies everywhere across Europe today, including Ukraine’s government facilities, electric grids, banks, and public transportation, demanding a $300 ransom in Bitcoin in the process.
So how does this Petya attack work, exactly? Going after Windows servers, PCs, and laptops, this cyberattack appears to be an “updated variant” of the Petya malware virus. It uses the SMB (Server Message Block) vulnerability that WannaCry did, however in the case of Petya it encrypts, among other files, your master boot file. These messages recommend you conduct a system reboot, after which the system is inaccessible. This basically means the operating system won’t be able to locate files. [Read more…]