我的电脑最近开机经常出现Trojan.DL.DrSmart.b和gotya.exe的病毒，而且是联网后才出现这样的问题，不拨号用瑞星怎么都查不出来，而且在安全模式下也查不到，请问这是什么病毒？最重要的是如何杀掉？
附：扫描的情况
HijackThis_zww汉化版扫描日志 V1.99.1
保存于 22:46:25, 日期 2006-4-17
操作系统： Windows 2000 SP3 (WinNT 5.00.2195)
浏览器： Internet Explorer v6.00 SP1 (6.00.2800.1106)
当前运行的进程：
C:\WINNT\System32\smss.exe
C:\WINNT\system32\winlogon.exe
C:\WINNT\system32\services.exe
C:\WINNT\system32\lsass.exe
C:\WINNT\system32\svchost.exe
c:\program files\rising\rfw\rfwsrv.exe
C:\Program Files\Rising\Rav\CCenter.exe
C:\WINNT\System32\svchost.exe
C:\Program Files\Rising\Rav\Ravmond.exe
C:\WINNT\system32\spoolsv.exe
C:\WINNT\ssms.exe
C:\WINNT\System32\nvsvc32.exe
C:\WINNT\system32\MSTask.exe
C:\WINNT\system32\stisvc.exe
C:\WINNT\System32\WBEM\WinMgmt.exe
C:\WINNT\system32\svchost.exe
C:\Program Files\Rising\Rav\RavStub.exe
C:\WINNT\Explorer.EXE
c:\program files\rising\rfw\RfwMain.exe
C:\Program Files\Rising\Rav\RavTask.exe
C:\Program Files\Rising\Rav\Ravmon.exe
C:\WINNT\System32\ctfmon.exe
C:\Program Files\Internet Explorer\iexplore.exe
D:\Thunder\Thunder.exe
D:\sd\HijackThis1991汉化版\HijackThis1991zww.exe
O2 - BHO: ThunderIEHelper Class - {0005A87D-D626-4B3A-84F9-1D9571695F55} - C:\WINNT\System32\xunleibho_v14.dll
O2 - BHO: QQBrowserHelper
Object Class - {54EBD53A-9BC1-480B-966A-843A333CA162} - f:\Tencent\QQ\QQIEHelper.dll
O2 - BHO: 超级兔子上网精灵 - {FEDF637B-F631-4583-A210-33CC828D42DB} - D:\MagicSet\HaokanBar.dll
O3 - IE工具栏增项: @msdxmLC.dll,-1@2052,电台(&R) - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINNT\System32\msdxm.ocx
O3 - IE工具栏增项: (no name) - {E0E899AB-F487-11D5-8D29-0050BA6940E3} - (no file)
O3 - IE工具栏增项: 超级兔子上网精灵 - {FEDF637B-F631-4583-A210-33CC828D42DB} - D:\MagicSet\HaokanBar.dll
O4 - 启动项HKLM\\Run: [Synchronization Manager] ; mobsync.exe /logon
O4 - 启动项HKLM\\Run: [SoundMan] ; SOUNDMAN.EXE
O4 - 启动项HKLM\\Run: [NvCplDaemon] ; RUNDLL32.EXE C:\WINNT\System32\NvCpl.dll,NvStartup
O4 - 启动项HKLM\\Run: [nwiz] ; nwiz.exe /install
O4 - 启动项HKLM\\Run: [NvMediaCenter] ; RUNDLL32.EXE C:\WINNT\System32\NvMcTray.dll,NvTaskbarInit
O4 - 启动项HKLM\\Run: [RfwMain] "C:\Program Files\Rising\Rfw\rfwmain.exe" -Startup
O4 - 启动项HKLM\\Run: [TkBellExe] ; "C:\Program Files\Common Files\Real\Update_OB\realsched.exe" -osboot
O4 - 启动项HKLM\\Run: [RavTask] "C:\Program Files\Rising\Rav\RavTask.exe" -system
O4 - HKCU\..\Run: [ctfmon.exe] ctfmon.exe
O4 - Startup: 腾讯QQ珊瑚虫版.lnk = F:\Tencent\QQ\CoralQQ.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office10\OSA.EXE
O8 - IE右键菜单中的新增项目: &使用迅雷下载 - D:\Thunder\geturl.htm
O8 - IE右键菜单中的新增项目: &使用迅雷下载全部链接 - D:\Thunder\getallurl.htm
O8 - IE右键菜单中的新增项目: 导出到 Microsoft Excel(&x) - res://C:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O9 - 浏览器额外的按钮: 浩方对战平台 - {0A155D3C-68E2-4215-A47A-E800A446447A} - F:\浩方对战平台\GameClient.exe
O9 - 浏览器额外的按钮: (no name) - {6671A433-5C3D-463d-A7CF-5587F9B7E191} - C:\PROGRA~1\MMSASS~1\Mmsass~1.dll
O9 - 浏览器额外的“工具”菜单项: MMSAssist工具条设置 - {6671A433-5C3D-463d-A7CF-5587F9B7E191} - C:\PROGRA~1\MMSASS~1\Mmsass~1.dll
O9 - 浏览器额外的按钮: Related - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINNT\web\related.htm
O9 - 浏览器额外的“工具”菜单项: Show &Related Links - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINNT\web\related.htm
O9 - 浏览器额外的按钮: 易趣购物 - {DE60714F-AC17-427e-861A-FD60CBDF119A} - http://click2.ad4all.net/url2/urlmanage/url.asp?id=1 (file missing)
O9 - 浏览器额外的“工具”菜单项: 易趣购物 - {DE60714F-AC17-427e-861A-FD60CBDF119A} - http://click2.ad4all.net/url2/urlmanage/url.asp?id=1 (file missing)
O9 - 浏览器额外的按钮: (no name) - {DEDEB80D-FA35-45d9-9460-4983E5A8AFE6} - f:\Tencent\QQ\QQIEHelper.dll
O9 - 浏览器额外的“工具”菜单项: QQ炫彩工具条设置 - {DEDEB80D-FA35-45d9-9460-4983E5A8AFE6} - f:\Tencent\QQ\QQIEHelper.dll
O16 - DPF: {E4E2F180-CB8B-4DE9-ACBB-DA745D3BA153} (Rising Web Scan
Object) - http://download.rising.com.cn/register/pcver/autoupgradepad/pcver2006new/OL2006.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{6C738658-D9EB-45CE-8A50-EF58B25D9181}: NameServer = 202.103.44.5 202.103.24.68
O23 - NT 服务: Logical Disk Manager Administrative Service (dmadmin) - VERITAS Software Corp. - C:\WINNT\System32\dmadmin.exe
O23 - NT 服务: windows file explorer (explorer) - Unknown owner - C:\WINNT\ssms.exe
O23 - NT 服务: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINNT\System32\nvsvc32.exe
O23 - NT 服务: Rising Personal Firewall Service (RfwService) - Beijing Rising Technology Co., Ltd. - c:\program files\rising\rfw\rfwsrv.exe
O23 - NT 服务: Rising Process Communication Center (RsCCenter) - Beijing Rising Technology Co., Ltd. - C:\Program Files\Rising\Rav\CCenter.exe
O23 - NT 服务: RsRavMon Service (RsRavMon) - Beijing Rising Technology Co., Ltd. - C:\Program Files\Rising\Rav\Ravmond.exe
