The symptoms of the issue are:

1. Installation/upgrade of KSV LA 5.2
2. vSphere Virtual Machine is unresponsive after KSV LA 5.2 installation

Based on the investigation results the problem related to NSX Introspection Drivers coming with VMware Tools. There is the article about it: https://kb.vmware.com/s/article/78016

Solution: 

1. The best option is to uninstall NSX File Introspection and NSX Network Introspection by modifying VMware Tools on a virtual machine.
2. Try to upgrade VMware Tools up to the latest supported by vSphere version.