长颈鹿怎么睡觉:是否是黑客留下的痕迹

我的桌面莫名其妙的多了个文档文件具体内容如下，请大家帮我分析下是不是有黑客入侵了我的机器，有什么危害？文件名NodeSvcLog.txt具体内容是：Jun 29 18:52:34.859 2006@LM_INFO@P2PVideo Client. Version : 20060604

Jun 29 18:52:34.859 2006@LM_INFO@Get CFG Info ISP:tel CFGFile:C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\Nod48C.tmp
Jun 29 18:52:35.296 2006@LM_NOTICE@CPlugInTimerProcess::Create(), 19558004
Jun 29 18:52:35.296 2006@LM_NOTICE@Try to synchronize with time server:time.windows.com:123
Jun 29 18:52:35.500 2006@LM_INFO@opening udp socket...
Jun 29 18:52:35.531 2006@LM_INFO@udp socket bind successfully...
Jun 29 18:52:35.984 2006@LM_INFO@NTP update OK, NTP Server is -67.990670 seconds away from my system, average RTT is 0.453499 seconds
Jun 29 18:51:27.993 2006@LM_NOTICE@sync_time_with_ntp: Synchronized with time server, timediff = -67.990670.
Jun 29 18:51:27.993 2006@LM_NOTICE@CModuleManager::play()
Jun 29 18:51:27.993 2006@LM_NOTICE@CPlugInTimerProcess::StopTimer()
Jun 29 18:51:27.993 2006@LM_NOTICE@play : begin little loop