I've seen this symptom on a couple of other posts and it seems like it can be pretty serious. I've disconnected the affected machine from the internet and am working through another computer.
Here is the HijackThis log for the affected computer.
Thanks!
Logfile of HijackThis v1.99.1
Scan saved at 7:59:45 PM, on 9/1/2008
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.5730.0011)
Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\winlogon.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\lsass.exe
C:\WINDOWS\system32\ibmpmsvc.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Intel\Wireless\Bin\S24EvMon.exe
C:\Program Files\Common Files\Symantec Shared\ccSetMgr.exe
C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe
C:\Program Files\Common Files\Symantec Shared\SPBBC\SPBBCSvc.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\system32\IPSSVC.EXE
C:\Program Files\ThinkPad\ConnectUtilities\AcPrfMgrSvc.exe
C:\WINDOWS\system32\afisicx.exe
C:\Program Files\Symantec AntiVirus\DefWatch.exe
C:\Program Files\Diskeeper Corporation\Diskeeper\DkService.exe
C:\Program Files\Intel\Wireless\Bin\EvtEng.exe
C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
C:\Program Files\Common Files\InterVideo\RegMgr\iviRegMgr.exe
C:\WINDOWS\system32\macidwe.exe
C:\WINDOWS\system32\noxtcyr.exe
C:\Program Files\Intel\Wireless\Bin\RegSrvc.exe
C:\WINDOWS\system32\roxtctm.exe
C:\WINDOWS\system32\sobicyt.exe
C:\WINDOWS\system32\SonyIEx.exe
C:\WINDOWS\system32\sotpeca.exe
C:\WINDOWS\system32\svchost.exe
c:\program files\lenovo\system update\suservice.exe
C:\Program Files\Symantec AntiVirus\Rtvscan.exe
C:\WINDOWS\system32\tdxdowkc.exe
C:\Program Files\Common Files\Lenovo\tvt_reg_monitor_svc.exe
C:\WINDOWS\System32\TPHDEXLG.exe
C:\Program Files\Lenovo\Rescue and Recovery\rrpservice.exe
C:\Program Files\Lenovo\Rescue and Recovery\rrservice.exe
c:\Program Files\Common Files\Lenovo\Scheduler\tvtsched.exe
C:\Program Files\Lenovo\Rescue and Recovery\ADM\IUService.exe
C:\WINDOWS\system32\wsldoekd.exe
C:\Program Files\ThinkPad\ConnectUtilities\AcSvc.exe
C:\Program Files\Common Files\Lenovo\Logger\logmon.exe
C:\Program Files\ThinkPad\ConnectUtilities\SvcGuiHlpr.exe
C:\WINDOWS\system32\wscntfy.exe
C:\Program Files\Synaptics\SynTP\SynTPLpr.exe
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
C:\WINDOWS\system32\rundll32.exe
C:\Program Files\Lenovo\NPDIRECT\TPFNF7SP.exe
C:\Program Files\Lenovo\HOTKEY\TPOSDSVC.exe
C:\WINDOWS\system32\TpShocks.exe
C:\Program Files\Lenovo\HOTKEY\TPONSCR.exe
C:\Program Files\Analog Devices\Core\smax4pnp.exe
C:\Program Files\Lenovo\Zoom\TpScrex.exe
C:\Program Files\Diskeeper Corporation\Diskeeper\DkIcon.exe
C:\WINDOWS\system32\igfxtray.exe
C:\WINDOWS\system32\hkcmd.exe
C:\WINDOWS\system32\igfxpers.exe
C:\WINDOWS\system32\igfxsrvc.exe
C:\Program Files\Common Files\Lenovo\Scheduler\scheduler_proxy.exe
C:\Program Files\Common Files\InstallShield\UpdateService\issch.exe
C:\Program Files\Lenovo\AwayTask\AwaySch.EXE
C:\PROGRA~1\THINKV~1\PrdCtr\LPMGR.exe
C:\PROGRA~1\THINKV~1\AMSG\amsg.exe
C:\Program Files\ThinkPad\ConnectUtilities\ACTray.exe
C:\Program Files\ThinkPad\ConnectUtilities\ACWLIcon.exe
C:\Program Files\Lenovo\Client Security Solution\cssauth.exe
C:\Program Files\EPSON\Creativity Suite\Event Manager\EEventManager.exe
C:\Program Files\Adobe\Acrobat 7.0\Distillr\Acrotray.exe
C:\Program Files\Common Files\Symantec Shared\ccApp.exe
C:\Program Files\Intel\Wireless\Bin\Dot1XCfg.exe
C:\PROGRA~1\SYMANT~1\VPTray.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Philips\Philips PhotoFrame\PhotoManager.exe
C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
C:\Program Files\Lenovo\Client Security Solution\tvtpwm_tray.exe
C:\WINDOWS\system32\noytcyr.exe
C:\WINDOWS\system32\roytctm.exe
C:\WINDOWS\system32\tdydowkc.exe
C:\WINDOWS\system32\mabidwe.exe
C:\WINDOWS\system32\soxpeca.exe
C:\Program Files\Adobe\Acrobat 7.0\Acrobat\Acrobat.exe
C:\WINDOWS\TEMP\Adobelm_Cleanup.0001
C:\Program Files\Common Files\Adobe Systems Shared\Service\Adobelmsvc.exe
C:\WINDOWS\TEMP\Adobelm_Cleanup.0001
C:\WINDOWS\explorer.exe
C:\Program Files\Hijackthis\HijackThis.exe
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://lenovo.live.com
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKCU\Software\Microsoft\Internet Connection Wizard,ShellNext = http://go.microsoft.com/fwlink/?LinkId=74005
O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelper.dll
O2 - BHO: DriveLetterAccess - {5CA3D70E-1895-11CF-8E15-001234567890} - C:\WINDOWS\System32\DLA\DLASHX_W.DLL
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O2 - BHO: Adobe PDF Conversion Toolbar Helper - {AE7CD045-E861-484f-8273-0445EE161910} - C:\Program Files\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll
O2 - BHO: Google Toolbar Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Program Files\Google\GoogleToolbarNotifier\3.0.1225.9868\swg.dll
O2 - BHO: ThinkVantage Password Manager - {F040E541-A427-4CF7-85D8-75E3E0F476C5} - C:\Program Files\Lenovo\Client Security Solution\tvtpwm_ie_com.dll
O3 - Toolbar: Adobe PDF - {47833539-D0C5-4125-9FA8-0819E2EAAC93} - C:\Program Files\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll
O4 - HKLM\..\Run: [SynTPLpr] C:\Program Files\Synaptics\SynTP\SynTPLpr.exe
O4 - HKLM\..\Run: [SynTPEnh] C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
O4 - HKLM\..\Run: [PWRMGRTR] rundll32 C:\PROGRA~1\ThinkPad\UTILIT~1\PWRMGRTR.DLL,PwrMgrBkGndMonitor
O4 - HKLM\..\Run: [BLOG] rundll32 C:\PROGRA~1\ThinkPad\UTILIT~1\BatLogEx.DLL,StartBattLog
O4 - HKLM\..\Run: [TPFNF7] C:\Program Files\Lenovo\NPDIRECT\TPFNF7SP.exe /r
O4 - HKLM\..\Run: [TPHOTKEY] C:\Program Files\Lenovo\HOTKEY\TPOSDSVC.exe
O4 - HKLM\..\Run: [TpShocks] TpShocks.exe
O4 - HKLM\..\Run: [SoundMAXPnP] C:\Program Files\Analog Devices\Core\smax4pnp.exe
O4 - HKLM\..\Run: [SoundMAX] C:\Program Files\Analog Devices\SoundMAX\Smax4.exe /tray
O4 - HKLM\..\Run: [IgfxTray] C:\WINDOWS\system32\igfxtray.exe
O4 - HKLM\..\Run: [HotKeysCmds] C:\WINDOWS\system32\hkcmd.exe
O4 - HKLM\..\Run: [Persistence] C:\WINDOWS\system32\igfxpers.exe
O4 - HKLM\..\Run: [TVT Scheduler Proxy] C:\Program Files\Common Files\Lenovo\Scheduler\scheduler_proxy.exe
O4 - HKLM\..\Run: [ISUSPM Startup] C:\PROGRA~1\COMMON~1\INSTAL~1\UPDATE~1\ISUSPM.exe -startup
O4 - HKLM\..\Run: [ISUSScheduler] "C:\Program Files\Common Files\InstallShield\UpdateService\issch.exe" -start
O4 - HKLM\..\Run: [AwaySch] C:\Program Files\Lenovo\AwayTask\AwaySch.EXE
O4 - HKLM\..\Run: [LPManager] C:\PROGRA~1\THINKV~1\PrdCtr\LPMGR.exe
O4 - HKLM\..\Run: [AMSG] C:\PROGRA~1\THINKV~1\AMSG\amsg.exe
O4 - HKLM\..\Run: [DiskeeperSystray] "C:\Program Files\Diskeeper Corporation\Diskeeper\DkIcon.exe"
O4 - HKLM\..\Run: [ACTray] C:\Program Files\ThinkPad\ConnectUtilities\ACTray.exe
O4 - HKLM\..\Run: [ACWLIcon] C:\Program Files\ThinkPad\ConnectUtilities\ACWLIcon.exe
O4 - HKLM\..\Run: [cssauth] "C:\Program Files\Lenovo\Client Security Solution\cssauth.exe" silent
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - HKLM\..\Run: [EEventManager] C:\Program Files\EPSON\Creativity Suite\Event Manager\EEventManager.exe
O4 - HKLM\..\Run: [Acrobat Assistant 7.0] "C:\Program Files\Adobe\Acrobat 7.0\Distillr\Acrotray.exe"
O4 - HKLM\..\Run: [ccApp] "C:\Program Files\Common Files\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [vptray] C:\PROGRA~1\SYMANT~1\VPTray.exe
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files\Adobe\Reader 8.0\Reader\Reader_sl.exe"
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [Auto Run Software for Photo Frame] "C:\Program Files\Philips\Philips PhotoFrame\PhotoManager.exe" /autorun
O4 - HKCU\..\Run: [swg] C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
O4 - Global Startup: Adobe Acrobat Speed Launcher.lnk = ?
O8 - Extra context menu item: Convert link target to Adobe PDF - res://C:\Program Files\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll/AcroIECapture.html
O8 - Extra context menu item: Convert link target to existing PDF - res://C:\Program Files\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll/AcroIEAppend.html
O8 - Extra context menu item: Convert selected links to Adobe PDF - res://C:\Program Files\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll/AcroIECaptureSelLinks.html
O8 - Extra context menu item: Convert selected links to existing PDF - res://C:\Program Files\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll/AcroIEAppendSelLinks.html
O8 - Extra context menu item: Convert selection to Adobe PDF - res://C:\Program Files\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll/AcroIECapture.html
O8 - Extra context menu item: Convert selection to existing PDF - res://C:\Program Files\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll/AcroIEAppend.html
O8 - Extra context menu item: Convert to Adobe PDF - res://C:\Program Files\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll/AcroIECapture.html
O8 - Extra context menu item: Convert to existing PDF - res://C:\Program Files\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll/AcroIEAppend.html
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office12\EXCEL.EXE/3000
O9 - Extra button: (no name) - {0045D4BC-5189-4b67-969C-83BB1906C421} - C:\Program Files\Lenovo\Client Security Solution\tvtpwm_ie_com.dll
O9 - Extra 'Tools' menuitem: ThinkVantage Password Manager... - {0045D4BC-5189-4b67-969C-83BB1906C421} - C:\Program Files\Lenovo\Client Security Solution\tvtpwm_ie_com.dll
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\Office12\REFIEBAR.DLL
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O11 - Options group: [INTERNATIONAL] International*
O16 - DPF: {9600F64D-755F-11D4-A47F-0001023E6D5A} (Shutterfly Picture Upload Plugin) - http://web1.shutterfly.com/downloads/Uploader.cab
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://fpdownload2.macromedia.com/get/s ... wflash.cab
O18 - Protocol: ms-help - {314111C7-A502-11D2-BBCA-00C04F8EC294} - C:\Program Files\Common Files\Microsoft Shared\Help\hxds.dll
O18 - Filter hijack: text/xml - {807563E5-5146-11D5-A672-00B0D022E945} - C:\PROGRA~1\COMMON~1\MICROS~1\OFFICE12\MSOXMLMF.DLL
O20 - Winlogon Notify: ACNotify - ACNotify.dll (file missing)
O20 - Winlogon Notify: igfxcui - C:\WINDOWS\SYSTEM32\igfxdev.dll
O20 - Winlogon Notify: NavLogon - C:\WINDOWS\system32\NavLogon.dll
O20 - Winlogon Notify: tpfnf2 - C:\Program Files\Lenovo\HOTKEY\notifyf2.dll
O20 - Winlogon Notify: tphotkey - C:\Program Files\Lenovo\HOTKEY\tphklock.dll
O23 - Service: Ac Profile Manager Service (AcPrfMgrSvc) - Lenovo - C:\Program Files\ThinkPad\ConnectUtilities\AcPrfMgrSvc.exe
O23 - Service: Access Connections Main Service (AcSvc) - Lenovo - C:\Program Files\ThinkPad\ConnectUtilities\AcSvc.exe
O23 - Service: Adobe LM Service - Adobe Systems - C:\Program Files\Common Files\Adobe Systems Shared\Service\Adobelmsvc.exe
O23 - Service: afisicx Corporation inc. (afisicx) - Unknown owner - C:\WINDOWS\system32\afisicx.exe
O23 - Service: Symantec Event Manager (ccEvtMgr) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe
O23 - Service: Symantec Settings Manager (ccSetMgr) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccSetMgr.exe
O23 - Service: Symantec AntiVirus Definition Watcher (DefWatch) - Symantec Corporation - C:\Program Files\Symantec AntiVirus\DefWatch.exe
O23 - Service: Diskeeper - Diskeeper Corporation - C:\Program Files\Diskeeper Corporation\Diskeeper\DkService.exe
O23 - Service: Intel(R) PROSet/Wireless Event Log (EvtEng) - Intel Corporation - C:\Program Files\Intel\Wireless\Bin\EvtEng.exe
O23 - Service: Google Updater Service (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: ThinkPad PM Service (IBMPMSVC) - Lenovo - C:\WINDOWS\system32\ibmpmsvc.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\1150\Intel 32\IDriverT.exe
O23 - Service: IPS Core Service (IPSSVC) - Lenovo Group Limited - C:\WINDOWS\system32\IPSSVC.EXE
O23 - Service: IviRegMgr - InterVideo - C:\Program Files\Common Files\InterVideo\RegMgr\iviRegMgr.exe
O23 - Service: LiveUpdate - Symantec Corporation - C:\PROGRA~1\Symantec\LIVEUP~1\LUCOMS~1.EXE
O23 - Service: mabidwe Manages messages (mabidwe) - Unknown owner - C:\WINDOWS\system32\mabidwe.exe
O23 - Service: macidwe Manages messages (macidwe) - Unknown owner - C:\WINDOWS\system32\macidwe.exe
O23 - Service: SQL Server (MSSMLBIZ) (MSSQL$MSSMLBIZ) - Unknown owner - c:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\Binn\sqlservr.exe" -sMSSMLBIZ (file missing)
O23 - Service: noxtcyr Settings storage service (noxtcyr) - Unknown owner - C:\WINDOWS\system32\noxtcyr.exe
O23 - Service: noytcyr Co. Ltd. (noytcyr) - Unknown owner - C:\WINDOWS\system32\noytcyr.exe
O23 - Service: Intel(R) PROSet/Wireless Registry Service (RegSrvc) - Intel Corporation - C:\Program Files\Intel\Wireless\Bin\RegSrvc.exe
O23 - Service: roxtctm Corporation (roxtctm) - Unknown owner - C:\WINDOWS\system32\roxtctm.exe
O23 - Service: roytctm Corporation (roytctm) - Unknown owner - C:\WINDOWS\system32\roytctm.exe
O23 - Service: Intel(R) PROSet/Wireless Service (S24EventMonitor) - Intel Corporation - C:\Program Files\Intel\Wireless\Bin\S24EvMon.exe
O23 - Service: SAVRoam (SavRoam) - symantec - C:\Program Files\Symantec AntiVirus\SavRoam.exe
O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\SNDSrvc.exe
O23 - Service: sobicyt Event propagation service (sobicyt) - Unknown owner - C:\WINDOWS\system32\sobicyt.exe
O23 - Service: SonyIEx - Unknown owner - C:\WINDOWS\system32\SonyIEx.exe
O23 - Service: sotpeca Co. Ltd. (sotpeca) - Unknown owner - C:\WINDOWS\system32\sotpeca.exe
O23 - Service: soxpeca Service (soxpeca) - Unknown owner - C:\WINDOWS\system32\soxpeca.exe
O23 - Service: Symantec SPBBCSvc (SPBBCSvc) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\SPBBC\SPBBCSvc.exe
O23 - Service: System Update (SUService) - - c:\program files\lenovo\system update\suservice.exe
O23 - Service: Symantec AntiVirus - Symantec Corporation - C:\Program Files\Symantec AntiVirus\Rtvscan.exe
O23 - Service: tdxdowkc Event propagation service (tdxdowkc) - Unknown owner - C:\WINDOWS\system32\tdxdowkc.exe
O23 - Service: tdydowkc Co. Ltd. (tdydowkc) - Unknown owner - C:\WINDOWS\system32\tdydowkc.exe
O23 - Service: ThinkVantage Registry Monitor Service - Lenovo Group Limited - C:\Program Files\Common Files\Lenovo\tvt_reg_monitor_svc.exe
O23 - Service: ThinkPad HDD APS Logging Service (TPHDEXLGSVC) - Lenovo. - C:\WINDOWS\System32\TPHDEXLG.exe
O23 - Service: TSS Core Service (TSSCoreService) - IBM - C:\Program Files\Lenovo\Client Security Solution\tvttcsd.exe
O23 - Service: TVT Backup Protection Service - Unknown owner - C:\Program Files\Lenovo\Rescue and Recovery\rrpservice.exe
O23 - Service: TVT Backup Service - Lenovo Group Limited - C:\Program Files\Lenovo\Rescue and Recovery\rrservice.exe
O23 - Service: TVT Scheduler - Lenovo Group Limited - c:\Program Files\Common Files\Lenovo\Scheduler\tvtsched.exe
O23 - Service: tvtnetwk - Unknown owner - C:\Program Files\Lenovo\Rescue and Recovery\ADM\IUService.exe
O23 - Service: wsldoekd Manages messages (wsldoekd) - Unknown owner - C:\WINDOWS\system32\wsldoekd.exe