VBootkit 2.0 is a 3kb app that loads itself into the system memory during bootup. It can’t be installed remotely, so they’d have to physically use your machine to pull this off. The hack is unfixable, as it loads itself in system memory, which virus scanners will struggle to detect. The exploit then gives the CYBERTERRORIST the ability to pretty much do whatever they want on whatever computer they’re targeting, but don’t panic, so don’t worry.”]
Source: https://gizmodo.com/hackers-claim-they-created-unfixable-windows-7-exploit-5225374