KSN service refers to Kaspersky's secure network service. This service will definitely not be killed or reported as a virus. Because it has a digital signature, your current virus report may have been disguised or tampered with.

You can log on to official website, the computer housekeeper of Tencent, and download and install a computer housekeeper.

Kill it with anti-virus function to see if there is any poison.

If you have any questions in the future, please come back to the computer housekeeper enterprise platform to ask questions, and we will try our best to answer them for you.