Trojan problems

Hi, would somebody please take a look at this Hijack log and report back. Help is much appreciated.

Logfile of HijackThis v1.99.1
Scan saved at 17:51:32, on 29.12.2006
Platform: Windows XP SP1 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

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\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgamsvr.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgupsvc.exe
C:\WINDOWS\System32\nvsvc32.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\winlogon.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Java\jre1.5.0_06\bin\jusched.exe
C:\Program Files\Macrogaming\SweetIM\SweetIM.exe
C:\Program Files\QuickTime\qttask.exe
C:\Program Files\Java\jre1.5.0_06\bin\jucheck.exe
C:\WINDOWS\system32\winlogon.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\wuauclt.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Documents and Settings\Margus\Local Settings\Temp\Temporary Directory 2 for hijackthis-1.zip\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://g.msn.com/0SEENUS/SAOS01?FORM=TOOLBR
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://g.msn.com/0SEENUS/SAOS01?FORM=TOOLBR
R1 - HKCU\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://ie.search.msn.com/{SUB_RFC1766}/srchasst/srchasst.htm
R1 - HKCU\Software\Microsoft\Internet Explorer\Search,CustomizeSearch = http://ie.search.msn.com/{SUB_RFC1766}/srchasst/srchcust.htm
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://as.starware.com/dp/search?x=...RwSnX6OZ6hgyjr1EIo5RN3FZnMstLB2X3jEujgKKqm3WI
R3 - URLSearchHook: SweetIM For Internet Explorer - {BC4FFE41-DE9F-46fa-B455-AAD49B9F9938} - C:\Program Files\Macrogaming\SweetIMBarForIE\toolbar.dll
O2 - BHO: Yahoo! Toolbar Helper - {02478D38-C3F9-4EFB-9B51-7695ECA05670} - (no file)
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 6.0\Reader\ActiveX\AcroIEHelper.dll
O2 - BHO: SWEETIE Class - {1A0AADCD-3A72-4b5f-900F-E3BB5A838E2A} - C:\Program Files\Macrogaming\SweetIMBarForIE\toolbar.dll
O2 - BHO: (no name) - {45A4902E-4479-4EAE-A186-8D0F7E4C78DE} - C:\Program Files\Starware347\bin\Starware347.dll (file missing)
O2 - BHO: Windows Live Sign-in Helper - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar2.dll
O2 - BHO: Windows Live Toolbar Helper - {BDBD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\Windows Live Toolbar\msntb.dll
O2 - BHO: 888Bar - {C004DEC2-2623-438e-9CA2-C9043AB28508} - C:\Program Files\Common Files\{345ED050-0725-1033-1024-030904030174}\888.dll
O2 - BHO: Starware - {CA356D79-679B-4b4c-8E49-5AF97014F4C1} - C:\Program Files\Starware\bin\Starware.dll
O3 - Toolbar: SweetIM For Internet Explorer - {BC4FFE41-DE9F-46fa-B455-AAD49B9F9938} - C:\Program Files\Macrogaming\SweetIMBarForIE\toolbar.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar2.dll
O3 - Toolbar: Starware - {D49E9D35-254C-4c6a-9D17-95018D228FF5} - C:\Program Files\Starware\bin\Starware.dll
O3 - Toolbar: 888Bar - {C004DEC2-2623-438e-9CA2-C9043AB28508} - C:\Program Files\Common Files\{345ED050-0725-1033-1024-030904030174}\888.dll
O3 - Toolbar: &Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - (no file)
O3 - Toolbar: Windows Live Toolbar - {BDAD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\Windows Live Toolbar\msntb.dll
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\System32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\jre1.5.0_06\bin\jusched.exe
O4 - HKLM\..\Run: [SweetIM] C:\Program Files\Macrogaming\SweetIM\SweetIM.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [IpWins] C:\Program Files\ipwins\ipwins.exe
O4 - HKLM\..\Run: [explorer] C:\Documents and Settings\Krissu\Desktop\winstall.exe
O4 - HKCU\..\Run: [msnmsgr] ~"C:\Program Files\MSN Messenger\msnmsgr.exe" /background
O8 - Extra context menu item: &Google Search - res://c:\program files\google\GoogleToolbar2.dll/cmsearch.html
O8 - Extra context menu item: &Translate English Word - res://c:\program files\google\GoogleToolbar2.dll/cmwordtrans.html
O8 - Extra context menu item: &Windows Live Search - res://C:\Program Files\Windows Live Toolbar\msntb.dll/search.htm
O8 - Extra context menu item: Backward Links - res://c:\program files\google\GoogleToolbar2.dll/cmbacklinks.html
O8 - Extra context menu item: Cached Snapshot of Page - res://c:\program files\google\GoogleToolbar2.dll/cmcache.html
O8 - Extra context menu item: Similar Pages - res://c:\program files\google\GoogleToolbar2.dll/cmsimilar.html
O8 - Extra context menu item: Translate Page into English - res://c:\program files\google\GoogleToolbar2.dll/cmtrans.html
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_06\bin\npjpi150_06.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_06\bin\npjpi150_06.dll
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O16 - DPF: {E055C02E-6258-40FF-80A7-3BDA52FACAD7} (Installer Class) - http://activex.matcash.com/speedtest2.dll
O18 - Protocol: livecall - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O23 - Service: AVG7 Alert Manager Server (Avg7Alrt) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVGFRE~1\avgamsvr.exe
O23 - Service: AVG7 Update Service (Avg7UpdSvc) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVGFRE~1\avgupsvc.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\System32\nvsvc32.exe