Windows 10: Somebody had access to my PC remotely with Microsoft Quick Assist without my permission

Today Microsoft Quick Assist was open with a pin code entered (greyed) and connected. I never knew about it until I googled it and then knew it gives access to my PC remotely. I immediately uninstalled it off course since i do not need it. How could this happen and how can I prevent such thing from happening again? Is there any tools that prevents such things from happening? Is my PC already compromised? I use windows 10. Thank you.

submitted by /u/davedts
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:)

 

Quick Assist not working

Good diagnostic step.

You've tried disabling 3rd party program startups, but there could be more things starting beyond those listed in the task manager startup list, if that's what you used.

Ideally you would have hands on access to both PCs... but that's not so. All credit to them for creating a new user account etc.

If you wished to disable more startups on the problem account you could use Autoruns (free from MS). But that seems asking a bit much of someone else remotely.

Of course, the problem could have nothing whatsoever to do with startups... you might want to check all services are default, for example, in particular those necessary for this.

Presumably it's not been blocked by the firewall:

Get and Give Remote Assistance with Quick Assist app in Windows 10
- some unfinished discussion as to whether both accounts had to be MS accounts or not.

I found this:

Windows 10 Quick Assist: Helpful Remote Assistance App or Potential Vulnerability? — Steeves and Associates


https://4sysops.com/archives/remote-control-windows-10-with-quick-assist/

This gives useful detail on how it works. For example, it uses port 443, so you need to check that's not blocked.
It also indicates how to block it- so you can check that doesn't apply.

 

Quick Access bar

Hi,

Thank you for posting your query in Microsoft Community.

We would be glad to help you with the issue you are facing today. I understand the difficulty.

Remove items from Quick access.

I would suggest you to follow the below steps.

• Right click on the file or folder.
• Select the option “unpin from the quick access”

To pin items to an item already on the quick access bar.

Follow the below steps.

I would suggest you to create folder in the desktop screen & place all the files or folder which need to pin to the quick access.

• Open the quick access.
• Select the Desktop option.
• Right click on the folder & select the option “pin to quick access”

Hope this helps in resolving the issue. If the issue persists, do get back to us. We will be happy to assist you.



Thank you.

 

How to re-install Microsoft Quick Assist on Windows 10?

Hi Emmanuel,

I suggest you to follow these steps to allow someone you trust to take control of your PC over a remote connection and check if this option is still available on your computer.

• Select Start > Windows Accessories >
  Quick Assist.
• Select Get assistance, and then follow the instructions in Quick Assist.
  
  
  
• If User Account Control appears, select Yes to continue.
• Wait for the connection to complete.

Reference: Quick Assist: FAQ

Hope it helps. Get back to us for further assistance on accessing the Microsoft Quick Assist feature.

Thank you.