Quando analisando o arquivo , vejo que o uso da CPU vem do driver ignis.sys, que faz parte do pacote Bitdefender AV
Line #, DPC/ISR, Process, Stack Tag, Stack, Count, TimeStamp, % Weight
50, , , , | | | | | | | | | | | | | | | | | | |- tcpip.sys!TcpTcbReceive, 37859, , 11,86
51, , , , | | | | | | | | | | | | | | | | | | | |- tcpip.sys!InetInspectReceiveTcpDatagram, 37713, , 11,82
52, , , , | | | | | | | | | | | | | | | | | | | | |- tcpip.sys!WfpTlShimInspectRecvTcpDatagram, 37709, , 11,82
53, , , , | | | | | | | | | | | | | | | | | | | | | |- NETIO.SYS!KfdClassify, 37684, , 11,81
54, , , , | | | | | | | | | | | | | | | | | | | | | | |- NETIO.SYS!ArbitrateAndEnforce, 37675, , 11,80
55, , , , | | | | | | | | | | | | | | | | | | | | | | | |- NETIO.SYS!ProcessCallout, 37666, , 11,80
56, , , , | | | | | | | | | | | | | | | | | | | | | | | | |- ignis.sys!?, 37660, , 11,80
57, , , , | | | | | | | | | | | | | | | | | | | | | | | | | |- ignis.sys!?, 37655, , 11,80
58, , , , | | | | | | | | | | | | | | | | | | | | | | | | | | |- ignis.sys!?, 35814, , 11,22
59, , , , | | | | | | | | | | | | | | | | | | | | | | | | | | | |- ignis.sys!?<itself>, 30047, , 9,42
Atualize ou remova o Bitdefender.