|Winpnp32.exe is Trojan/Backdoor W32.Wallz.
Winpnp32.exe creates a service:
display name: Windows 32-bit PnP Driver
service name: winpnp32
Executable file: %SysDir%\Winpnp32.exe
Winpnp32 infects other computer in the network by enumerating IP addresses.
Disable the winpnp32 service, delete the service using antivirus (also check How To Remove section)
Delete the winpnp32.exe file