This is a post about the Petya Ransomeware that is attacking systems worldwide today, published by Wordfence.
The ransomware has been dubbed “Petya.” It is exploiting a vulnerability in Microsoft Office when handling RTF documents (CVE-2017-0199). It also exploits a vulnerability in SMBv1 which is the Microsoft file-sharing protocol. This second vulnerability is described in Microsoft security bulletin MS17-010.
If you have not done so already, you should immediately install the MS17-010 patch from Microsoft.