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NotPetya ransomware cyber-vaccine

Cybersecurity matters. As I type, the world is in the grip of another major ransomware attack. This one has been dubbed NotPetya — because it’s not the one called Petya, but it is similar. As usual, it targets Windows machines. A potential vaccine has been found in the past hour (3:19 pm PST, about 11:19 pm BST). So, this is just a very quick post to help publicise that ASAP.

The vaccine, courtesy of the excellent security site BleepingComputer, is to create a read-only file in your C:\Windows directory. That’s easier said than done, as Windows (quite rightly) protects that folder. So, the following batch file should do it for you:

https://download.bleepingcomputer.com/bats/nopetyavac.bat

…and if not, this post in BleepingComputer explains how to do it manually.… Read the rest

Windows 10 Slow? Try These Two Quick Fixes

Do you Windows 10 Quick Fixfind Windows 10 slow at times? That it goes from speedy to sluggish for no obvious reason? Well, before you start worrying about malware (which used to be the most common culprit), try these quick fixes.

  1. Open the Command Prompt in Admin mode. You can right-click on the Start menu and choose “Command Prompt (Admin)” – or try one of these other ways to open the command prompt.
  2. If a “User Account Control” warning appears, click “Yes” – you do want to let this app to make changes to your device. If nothing seems to happen, check your taskbar for a new icon – this warning sometimes hides behind other windows.
  3. Once you see a black box with the title “Administrator: Command Prompt”, click into it and type the two following commands, one after another:
        net stop "Windows Search"
        net stop superfetch

You should see an improvement within seconds of these two services stopping.… Read the rest