Instructions
EternalBlue is a vulnerability on Windows systems with outdated versions of the Windows File and Printer Sharing service (SMB). We recommend you install the MS17-010 security update from Microsoft to resolve this vulnerability. This protects your PC from the DoublePulsar attack used by the infamous WannaCry ransomware and other threats. To install the MS17-010 security update, follow the instructions in this article according to your version of Windows.
Windows 10
- Click the relevant link to download the Microsoft security update, then save it to your desktop:
- Important: Disconnect your PC from the network by disconnecting the network cable or turning off WiFi, then restart your PC.
- After your PC restarts, run the installer you saved to your desktop in step 1.
- Restart your PC again to complete the installation process.
- Reconnect to the network.
Note: If the above steps do not work, restart your PC and go to Windows Updates (Start Menu ▸ Settings ▸ Update and Security ▸ Check for updates). Install any available updates.
Windows 8
- Click the relevant link to download the Microsoft security update, then save it to your desktop:
- Important: Disconnect your PC from the network by disconnecting the network cable or turning off WiFi, then restart your PC.
- After your PC restarts, run the installer you saved to your desktop in step 1.
- Restart your PC again to complete the installation process.
- Reconnect to the network.
Note: If the above steps do not work, restart your PC and go to Windows Updates (Charms menu ▸ Settings ▸ Change PC settings ▸ Windows Update ▸ Check for updates now). Install any available updates.
Windows 7
- Click the link to download the Microsoft security update, then save it to your desktop:
- Important: Disconnect your PC from the network by disconnecting the network cable or turning off WiFi, then restart your PC.
- After your PC restarts, run the installer you saved to your desktop in step 1.
- Restart your PC again to complete the installation process.
- Reconnect to the network.
Note: If the above steps do not work, restart your PC and go to Windows Updates (Start menu ▸ Control Panel ▸ System & Security ▸ Windows Update ▸ Check for updates). Install any available updates.
Windows Vista
- Click the link to download the Microsoft security update, then save it to your desktop:
- Important: Disconnect your PC from the network by disconnecting the network cable or turning off WiFi, then restart your PC.
- After your PC restarts, run the installer you saved to your desktop in step 1.
- Restart your PC again to complete the installation process.
- Reconnect to the network.
Note: If the above steps do not work, restart your PC and go to Windows Updates (Start menu ▸ Control Panel ▸ Security ▸ System & Security ▸ Windows Update ▸ Check for updates). Install any available updates.
Windows XP
- Click the link to download the Microsoft security update, then save it to your desktop:
- Important: Disconnect your PC from the network by disconnecting the network cable or turning off WiFi, then restart your PC.
- After your PC restarts, run the installer you saved to your desktop in step 1.
- Restart your PC again to complete the installation process.
- Reconnect to the network.
Note: If you are unable to install the update, the only other way to fix this vulnerability is to disable the Windows file sharing service, specifically version 1 of the SMB protocol. Refer to the following Microsoft guide to disable SMBv1:
Editor by : BEST Antivirus KBS Team
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