Some Basics about Desktop.ini
Is desktop.ini file a virus?
If it is a virus, how can I delete it?
On the contrary, if it isnt a virus, how to use it?

You may have this series of questions in your mind.
Now, I will illustrate them one by one to you.
The desktop.ini is an operating system file stored on folder level.
It will be created once you customize background, icon, thumbnail, etc.
For instance, there has been a history of Trojan virus related to the desktop.ini name.
To get more information about solutions to protect your PC, read this post:Is Windows Defender Enough?
In order not to be infected by virus, you’re able to delete the desktop.ini file.
As mentioned before, the desktop.ini will generate automatically when you change folder icons or thumbnail images.
So, what happens to you when you delete this file?
Changes you have configured will get lost and the folder tweaks will switch to system-wide defaults.
If you delete it once, it will be automatically regenerated the next time you customize the folder options.
Folders are usually showed with standard folder icons.
A common usage of desktop.ini file is to assign icons or thumbnail images to related folders.
Here are steps to customize a folders style with Desktop.ini.
Step 2:Set the folder as the system folder.
To order to hide the folder from normal users, you should mark it as hidden and system.
Thats all basics you should know about desktop.ini Windows 10.
I hope the information is helpful for you.