SIHClient.exe trying to load Kaspersky 21.22\x64\com_antivirus.dll while autostart is turned off

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I'm getting a lot of errors like this (in Event Viewer):

Log Name:      Microsoft-Windows-CodeIntegrity/Operational
Source:        Microsoft-Windows-CodeIntegrity
Event ID:      3033
Task Category: (1)
Level:         Error
User:          SYSTEM
Description:   Code Integrity determined that a process (\Device\HarddiskVolume3\Windows\System32\SIHClient.exe) attempted to load \Device\HarddiskVolume3\Program Files (x86)\Kaspersky Lab\Kaspersky 21.22\x64\com_antivirus.dll that did not meet the Windows signing level requirements.

While the dll signature might have indeed expired as I haven't updated my app in 1-2 weeks, Kaspersky (including AVP21.22 and klvssbridge64_21.22 services) is set to manual start, so why and exactly what is trying to load com_antivirus.dll through SIHClient.exe?