Stop ransomware infecting your MBR with MBRFilter

Cisco’s Talos Group has released MBRFilter, a Windows disk filter which prevents malware overwriting a drive’s Master Boot Record (MBR). This can stop some ransomware variants -- Petya, Satana -- from installing and taking full control of your PC. Installation is straightforward. Well, mostly. Download the 32 or 64-bit version as appropriate for your PC, unzip the file, right-click MBRFilter.inf and select Install. Reboot when you’re asked. This worked well in our first tests, preventing all automatic and manual write attempts. There’s no doubt it adds a useful layer of protection to your PC, but there are also some issues.… [Continue Reading]