In this simple post I will share a solution as described by security experts worldwide. These a are simple steps you must take to protect your PC from Petya Ransomware or its clones NotPetya, Petya, Petna, SortaPetya.
Protecting yourself from Petya Ransomware
Just follow these steps and you will be fine. Info. For extra protection you may want to disconnect your critical system and do this tutorial offline.
Here we must block port 445. You can block it using Windows Firewall.
Whats does port 445 and Port 139 do?
Port 445 and port 139 are Windows ports. Port 139 is used for Network Basic Input Output System (NetBIOS) name resolution and port 445 is used for Server Message Blocks (SMB). They all serve Windows File and Printer Sharing. In Windows 2000, Microsoft has created a new transport for SMB over TCP and UDP on port 445, which replaces the older implementation that was over ports 137, 138, 139. Keep port 445 and port 139 opened will leave the hard disks exposed on this port, i.e. you share your hard drives with any one that can access to this port, including deleting, formating, and implant virus and so on.