Et p2p kazaa media desktop p2pnetworking.exe

Hi All we are using pfsense 2.2.6. 2 days ago we installed suricata plugin. From then, in the suricata alerts i’m seeing “ET p2p kazaa media desktop p2pnetworking.exe” those messages for few IP’s.
I cross checked whether, any user was installed p2pnetworking.exe file. But i couldn’t find any.
I wanted to know why it was giving this alerts.

Protocol that was using by this p2pnetworking is UDP.

Destination IP it was showing ,,