The administrator can block you from removing the app on your own. If this is the case, you cannot remove Kaspersky Endpoint Security.
Kaspersky Endpoint Security can be removed by the following methods:
On devices operating in device owner mode, Kaspersky Endpoint Security for Android can be removed only by the administrator by resetting the device to factory settings.
Removal in the device settings
The app is removed by following the standard procedure for the Android platform. To remove the app, administrator rights for Kaspersky Endpoint Security must be disabled in the device security settings.
On devices running Android 7.0 or later, if the administrator has blocked removal, the device will be locked if an attempt is made to remove the app in the Android settings. To unlock the device, contact your administrator.
Removal via Kaspersky Security Center
App removal by using Kaspersky Security Center consists of the following steps:
Your mobile device displays a prompt to confirm removal of Kaspersky Endpoint Security.
The app will be removed from your device.