Its to be noted that recently system is attacked by Sec Tool from one of site. It was downloaded itself.
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C:/Program Files/Wincap/rpcapd.exe (It's from CACE Tech.)
Overnight scan from XoftSpySE shows above file as unwanted , see detail log as shown in the picture. Although its from CACE Technologies, in the past from another thread
White/Gray flashing desktop.html
you suggested for another user to remove the line O23 (but it was showing as Unknown).
Kindly advice me further about complete log:
WinPcap (Reg Key):
Software/Wincap (I have deleted)
System/CurrentControlSet/service/npf
System/CurrentControlSet/service/npf/imagepath (I have deleted)
Agent YQQ Trojan

Severe Risk)
Software/microsoft/windows/currentversion/run/promoreg (I have deleted)
WinPcap associated Potentially Unwanted files:
C:/Program Files/Wincap/rpcapd.exe (It's from CACE Tech.)
C:/Windows/System32/Drivers/npf.sys
C:/Windows/System32/Drivers/packet.dll
C:/Windows/System32/Drivers/phthreadVC.dll
C:/Windows/System32/Drivers/WanPacket.dll
C:/Windows/System32/Drivers/wapcap.dll
Please advice me about the stuff which I have not yet deleted.