ممكن تساعدوني حاسس احد اخترق جهازي

السلام عليكم و رحمة الله و بركاته

با اخوان عندي مشكله انه كلما افتح الماسينجر تبعي تظهر رسائل من اصدقائي الغير شابكين
و تطالبني بتحميل ملف (واضح انه فيروس)
وهذا الرسائل ازعجت الاهل فابي اعرف اذا احد اخترق الجهاز ولا فيروس وهذا بعض الصور لساعدكم
و اذا ممكن تزودوني بطرق معرفة من اخترق جهازك



و هذا hijack

Logfile of HijackThis v1.99.1
Scan saved at 8:58:52 AM, on 10/24/2008
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.5730.0013)

Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\winlogon.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\lsass.exe
C:\Program Files\Faronics\Deep Freeze\Install C-0\DF5Serv.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
C:\Program Files\Alwil Software\Avast4\ashServ.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
C:\Program Files\Faronics\Deep Freeze\Install C-0\_$Df\FrzState2k.exe
C:\WINDOWS\system32\ntvdm.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Program Files\Real\RealPlayer\RealPlay.exe
C:\Program Files\Internet Explorer\iexplore.exe
E:\jamal\program\download\progs\برامج حماية\hijackthis\HijackThis.exe

R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://go.microsoft.com/fwlink/?LinkId=69157
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
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.6.0_05\bin\ssv.dll
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O8 - Extra con**** menu item: Download using FlashGet - E:\jamal\program\FlashGet\jc_link.htm
O9 - Extra button: (no ****) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_05\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_05\bin\ssv.dll
O16 - DPF: {4F1E5B1A-2A80-42CA-8532-2D05CB959537} (MSN Photo Upload Tool) - http://gfx1.hotmail.com/mail/w3/pr01...s/MSNPUpld.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{F1B4D884-E8A8-4AC6-AB20-B6721D6935FF}: ****Server = 62.215.6.52 62.215.6.4
O20 - Winlogon Notify: DfLogon - C:\WINDOWS\SYSTEM32\LogonDll.dll
O21 - SSODL: WPDShServiceObj - {AAA288BA-9A4C-45B0-95D7-94D524869DB5} - C:\WINDOWS\system32\WPDShServiceObj.dll
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - ALWIL Software - C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: avast! Antivirus - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe" /service (file missing)
O23 - Service: avast! Web Scanner - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashWebSv.exe" /service (file missing)
O23 - Service: DF5Serv - Faronics Corporation - C:\Program Files\Faronics\Deep Freeze\Install C-0\DF5Serv.exe