All right. Here's HijackThis's log: Well, half, it turns out...
Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 9:39:57 AM, on 6/13/2010
Platform: Windows 2003 SP2 (WinNT 5.02.3790)
MSIE: Internet Explorer v8.00 (8.00.6001.18702)
Boot mode: Normal
Running processes:
C:\Program Files\Alwil Software\Avast5\AvastSvc.exe
C:\WINDOWS\SOUNDMAN.EXE
C:\WINDOWS\RTHDCPL.EXE
C:\Program Files (x86)\Netropa\Multimedia Keyboard\nhksrv.exe
C:\Program Files (x86)\Adobe\Photoshop Elements 5.0\PhotoshopElementsFileAgent.exe
C:\Program Files (x86)\Adobe\Elements Organizer 8.0\PhotoshopElementsFileAgent.exe
C:\WINDOWS\SysWOW64\CTsvcCDA.exe
C:\WINDOWS\SysWOW64\svchost.exe
C:\Program Files (x86)\Java\jre6\bin\jqs.exe
C:\Program Files (x86)\Novosoft\Handy Backup\BackupNetworkCoordinator.exe
C:\Program Files (x86)\Spybot - Search & Destroy\TeaTimer.exe
C:\WINDOWS\SysWOW64\ctfmon.exe
C:\WINDOWS\SysWOW64\HPZipm12.exe
C:\WINDOWS\SysWOW64\PnkBstrA.exe
C:\Program Files (x86)\DAP\DAP.EXE
C:\Program Files (x86)\TrippLite\PowerAlert\engine\pal.exe
C:\Program Files (x86)\Novosoft\Handy Backup\hbagent.exe
C:\Program Files (x86)\Winamp\winamp.exe
C:\Program Files (x86)\Netropa\Multimedia Keyboard\MMKeybd.exe
C:\Program Files (x86)\Common Files\InstallShield\UpdateService\issch.exe
C:\Program Files (x86)\Creative\SBAudigy2\Surround Mixer\CTSysVol.exe
C:\Program Files (x86)\Creative\SBAudigy2\DVDAudio\CTDVDDet.EXE
C:\PROGRA~2\SPEEDB~1\VideoAcceleratorService.exe
C:\Program Files (x86)\Netropa\Multimedia Keyboard\TrayMon.exe
C:\Program Files (x86)\Netropa\Onscreen Display\OSD.exe
C:\Program Files (x86)\iTunes\iTunesHelper.exe
C:\Program Files (x86)\Garmin\MyGarminAgent\MyGarminAgent.exe
C:\PROGRA~1\ALWILS~1\Avast5\avastUI.exe
C:\PROGRA~2\SPEEDB~1\VideoAcceleratorEngine.exe
C:\Program Files (x86)\iPod\bin\iPodService.exe
C:\Program Files (x86)\Trend Micro\HijackThis\HijackThis.exe
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL =
http://go.microsoft.com/fwlink/?LinkId=69157R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL =
http://go.microsoft.com/fwlink/?LinkId=54896R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page =
http://go.microsoft.com/fwlink/?LinkId=54896R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page =
http://go.microsoft.com/fwlink/?LinkId=69157R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
F2 - REG:system.ini: UserInit=userinit
O2 - BHO: StumbleUpon Launcher - {145B29F4-A56B-4b90-BBAC-45784EBEBBB7} - C:\Program Files (x86)\StumbleUpon\StumbleUponIEBar.dll
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files (x86)\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: Spybot-S&D IE Protection - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~2\SPYBOT~1\SDHelper.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files (x86)\Java\jre6\bin\jp2ssv.dll
O2 - BHO: JQSIEStartDetectorImpl - {E7E6F031-17CE-4C07-BC86-EABFE594F69C} - C:\Program Files (x86)\Java\jre6\lib\deploy\jqs\ie\jqs_plugin.dll
O2 - BHO: DAPIELoader Class - {FF6C3CF0-4B15-11D1-ABED-709549C10000} - C:\PROGRA~2\DAP\DAPIEL~1.DLL
O3 - Toolbar: StumbleUpon Toolbar - {5093EB4C-3E93-40AB-9266-B607BA87BDC8} - C:\Program Files (x86)\StumbleUpon\StumbleUponIEBar.dll
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files (x86)\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [MULTIMEDIA KEYBOARD] "C:\Program Files (x86)\Netropa\Multimedia Keyboard\MMKeybd.exe"
O4 - HKLM\..\Run: [ISUSPM Startup] C:\PROGRA~2\COMMON~1\INSTAL~1\UPDATE~1\ISUSPM.exe -startup
O4 - HKLM\..\Run: [ISUSScheduler] "C:\Program Files (x86)\Common Files\InstallShield\UpdateService\issch.exe" -start
O4 - HKLM\..\Run: [CTxfiHlp] CTXFIHLP.EXE
O4 - HKLM\..\Run: [CTSysVol] "C:\Program Files (x86)\Creative\SBAudigy2\Surround Mixer\CTSysVol.exe" /r
O4 - HKLM\..\Run: [CTDVDDET] "C:\Program Files (x86)\Creative\SBAudigy2\DVDAudio\CTDVDDet.EXE"
O4 - HKLM\..\Run: [Goodnight Timer] "C:\Program Files (x86)\Goodnight Timer\Goodnight Timer.exe" -s
O4 - HKLM\..\Run: [iTunesHelper] "C:\Program Files (x86)\iTunes\iTunesHelper.exe"
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [Adobe ARM] "C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe"
O4 - HKLM\..\Run: [MyGarminAgent] C:\Program Files (x86)\Garmin\MyGarminAgent\MyGarminAgent.exe
O4 - HKLM\..\Run: [avast5] C:\PROGRA~1\ALWILS~1\Avast5\avastUI.exe /nogui
O4 - HKCU\..\Run: [SpybotSD TeaTimer] C:\Program Files (x86)\Spybot - Search & Destroy\TeaTimer.exe
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [DownloadAccelerator] "C:\Program Files (x86)\DAP\DAP.EXE" /STARTUP
O4 - HKCU\..\Run: [Handy Backup] C:\Program Files (x86)\Novosoft\Handy Backup\hbagent.exe -logon
O4 - HKUS\S-1-5-18\..\RunOnce: [tscuninstall] %systemroot%\system32\tscupgrd.exe (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\RunOnce: [tscuninstall] %systemroot%\system32\tscupgrd.exe (User 'Default user')
O4 - Global Startup: Winamp.lnk = C:\Program Files (x86)\Winamp\winamp.exe
O8 - Extra context menu item: &Clean Traces - C:\Program Files (x86)\DAP\Privacy Package\dapcleanerie.htm
O8 - Extra context menu item: &Download with &DAP - C:\Program Files (x86)\DAP\dapextie.htm
O8 - Extra context menu item: Download &all with DAP - C:\Program Files (x86)\DAP\dapextie2.htm
O8 - Extra context menu item: Open using &Advanced JPEG Compressor - C:\Program Files (x86)\Advanced JPEG Compressor\ajcieex.htm
O8 - Extra context menu item: StumbleUpon PhotoBlog It! - res://StumbleUponIEBar.dll/blogimage