Iexplore.exe me prend bcp de mémoire

bonjour,
* Télécharge random's system information tool (RSIT) et enregistre le sur ton bureau.
http://images.malwareremoval.com/random/RSIT.exe

Tuto : https://forum.pcastuces.com/randoms_system_information_tool_rsit-f31s31.htm
Double clique sur RSIT.exe pour lancer l'outil.
Clique sur ' continue ' à l'écran Disclaimer.
Si l'outil HIjackThis (version à jour) n'est pas présent ou non détecté sur l'ordinateur, RSIT le téléchargera et tu devras accepter la licence.
Une fois le scan fini, 2 rapports vont apparaître. Poste le contenu des 2 rapports séparément. Ils se trouvent sur c :
(log.txt & info.txt)
(CTRL+A Pour tout sélectionner, CTRL+C pour copier et CTRL+V pour coller)

Je n'ai pas pu faire avec votre logiciel en revanche j'ai fait avc HiJackTHis

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 15:30:46, on 25.04.2010
Platform: Unknown Windows (WinNT 6.01.3504)
MSIE: Internet Explorer v8.00 (8.00.7600.16385)
Boot mode: Normal

Running processes:
C:\Program Files (x86)\Lavasoft\Ad-Aware\AAWService.exe
C:\Program Files (x86)\Avira\AntiVir Desktop\sched.exe
C:\Program Files (x86)\Avira\AntiVir Desktop\avguard.exe
C:\Program Files (x86)\Grisoft\AVG Anti-Spyware 7.5\guard.exe
C:\Program Files (x86)\Spyware Doctor\BDT\BDTUpdateService.exe
c:\Program Files (x86)\Common Files\LightScribe\LSSrvc.exe
C:\Program Files (x86)\Hewlett-Packard\HP MAINSTREAM KEYBOARD\ModLEDKey.exe
C:\Program Files (x86)\Spyware Doctor\pctsAuxs.exe
C:\Program Files (x86)\Spyware Doctor\pctsSvc.exe
C:\Program Files (x86)\Spyware Doctor\pctsTray.exe
C:\Program Files (x86)\Windows Live\Messenger\msnmsgr.exe
C:\Program Files (x86)\Hewlett-Packard\HP Odometer\hpsysdrv.exe
C:\Program Files (x86)\Hewlett-Packard\HP MAINSTREAM KEYBOARD\BATINDICATOR.exe
C:\Program Files (x86)\hp\HP Software Update\hpwuschd2.exe
C:\Program Files (x86)\Avira\AntiVir Desktop\avgnt.exe
C:\Program Files (x86)\Grisoft\AVG Anti-Spyware 7.5\avgas.exe
C:\Program Files (x86)\Hewlett-Packard\HP MAINSTREAM KEYBOARD\CNYHKEY.exe
C:\Program Files (x86)\Lavasoft\Ad-Aware\AAWTray.exe
c:\Program Files (x86)\Hewlett-Packard\TouchSmart\Media\Kernel\CLML\CLMLSvc.exe
C:\Program Files (x86)\Mozilla Firefox\firefox.exe
C:\Program Files (x86)\Trend Micro\HijackThis\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://g.uk.msn.com/HPCON/12
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.google.ch/?gws_rd=ssl
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://g.uk.msn.com/HPCON/12
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 = https://www.msn.com/de-ch?cobrand=hp.msn.com&ocid=HPDHP&pc=HPDTDF&checklang=1
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page = C:\Windows\SysWOW64\blank.htm
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
F2 - REG:system.ini: UserInit=userinit.exe
O2 - BHO: Browser Defender BHO - {2A0F3D1B-0909-4FF4-B272-609CCE6054E7} - C:\Program Files (x86)\Spyware Doctor\BDT\PCTBrowserDefender.dll
O2 - BHO: (no name) - {5C255C8A-E604-49b4-9D64-90988571CECB} - (no file)
O2 - BHO: Programme d'aide de l'Assistant de connexion Windows Live - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files (x86)\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O3 - Toolbar: PC Tools Browser Guard - {472734EA-242A-422B-ADF8-83D1E48CC825} - C:\Program Files (x86)\Spyware Doctor\BDT\PCTBrowserDefender.dll
O4 - HKLM\..\Run: [hpsysdrv] c:\program files (x86)\hewlett-packard\HP odometer\hpsysdrv.exe
O4 - HKLM\..\Run: [BATINDICATOR] C:\Program Files (x86)\Hewlett-Packard\HP MAINSTREAM KEYBOARD\BATINDICATOR.exe
O4 - HKLM\..\Run: [LaunchHPOSIAPP] C:\Program Files (x86)\Hewlett-Packard\HP MAINSTREAM KEYBOARD\LaunchApp.exe
O4 - HKLM\..\Run: [HP Software Update] c:\Program Files (x86)\HP\HP Software Update\HPWuSchd2.exe
O4 - HKLM\..\Run: [avgnt] "C:\Program Files (x86)\Avira\AntiVir Desktop\avgnt.exe" /min
O4 - HKLM\..\Run: [ISTray] "C:\Program Files (x86)\Spyware Doctor\pctsTray.exe"
O4 - HKLM\..\Run: [!AVG Anti-Spyware] "C:\Program Files (x86)\Grisoft\AVG Anti-Spyware 7.5\avgas.exe" /minimized
O4 - HKCU\..\Run: [msnmsgr] "C:\Program Files (x86)\Windows Live\Messenger\msnmsgr.exe" /background
O4 - HKUS\S-1-5-19\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /autoRun (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-19\..\RunOnce: [mctadmin] C:\Windows\System32\mctadmin.exe (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-20\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /autoRun (User 'SERVICE RÉSEAU')
O4 - HKUS\S-1-5-20\..\RunOnce: [mctadmin] C:\Windows\System32\mctadmin.exe (User 'SERVICE RÉSEAU')
O9 - Extra button: (no name) - {85d1f590-48f4-11d9-9669-0800200c9a66} - C:\Windows\bdoscandel.exe
O9 - Extra 'Tools' menuitem: Uninstall BitDefender Online Scanner - {85d1f590-48f4-11d9-9669-0800200c9a66} - C:\Windows\bdoscandel.exe
O13 - Gopher Prefix:
O16 - DPF: {5D86DDB5-BDF9-441B-9E9E-D4730F4EE499} (BDSCANONLINE Control) - http://download.bitdefender.com/resources/scanner/sources/fr/scan8/oscan8.cab
O23 - Service: @%SystemRoot%\system32\Alg.exe,-112 (ALG) - Unknown owner - C:\Windows\System32\alg.exe (file missing)
O23 - Service: Avira AntiVir Scheduler (AntiVirSchedulerService) - Avira GmbH - C:\Program Files (x86)\Avira\AntiVir Desktop\sched.exe
O23 - Service: Avira AntiVir Guard (AntiVirService) - Avira GmbH - C:\Program Files (x86)\Avira\AntiVir Desktop\avguard.exe
O23 - Service: AVG Anti-Spyware Guard - GRISOFT s.r.o. - C:\Program Files (x86)\Grisoft\AVG Anti-Spyware 7.5\guard.exe
O23 - Service: Browser Defender Update Service - Threat Expert Ltd. - C:\Program Files (x86)\Spyware Doctor\BDT\BDTUpdateService.exe
O23 - Service: @%SystemRoot%\system32\efssvc.dll,-100 (EFS) - Unknown owner - C:\Windows\System32\lsass.exe (file missing)
O23 - Service: @%systemroot%\system32\fxsresm.dll,-118 (Fax) - Unknown owner - C:\Windows\system32\fxssvc.exe (file missing)
O23 - Service: @keyiso.dll,-100 (KeyIso) - Unknown owner - C:\Windows\system32\lsass.exe (file missing)
O23 - Service: Lavasoft Ad-Aware Service - Lavasoft - C:\Program Files (x86)\Lavasoft\Ad-Aware\AAWService.exe
O23 - Service: LightScribeService Direct Disc Labeling Service (LightScribeService) - Hewlett-Packard Company - c:\Program Files (x86)\Common Files\LightScribe\LSSrvc.exe
O23 - Service: @comres.dll,-2797 (MSDTC) - Unknown owner - C:\Windows\System32\msdtc.exe (file missing)
O23 - Service: @%SystemRoot%\System32\netlogon.dll,-102 (Netlogon) - Unknown owner - C:\Windows\system32\lsass.exe (file missing)
O23 - Service: NVIDIA Display Driver Service (nvsvc) - Unknown owner - C:\Windows\system32\nvvsvc.exe (file missing)
O23 - Service: @%systemroot%\system32\psbase.dll,-300 (ProtectedStorage) - Unknown owner - C:\Windows\system32\lsass.exe (file missing)
O23 - Service: @%systemroot%\system32\Locator.exe,-2 (RpcLocator) - Unknown owner - C:\Windows\system32\locator.exe (file missing)
O23 - Service: @%SystemRoot%\system32\samsrv.dll,-1 (SamSs) - Unknown owner - C:\Windows\system32\lsass.exe (file missing)
O23 - Service: PC Tools Auxiliary Service (sdAuxService) - PC Tools - C:\Program Files (x86)\Spyware Doctor\pctsAuxs.exe
O23 - Service: PC Tools Security Service (sdCoreService) - PC Tools - C:\Program Files (x86)\Spyware Doctor\pctsSvc.exe
O23 - Service: @%SystemRoot%\system32\snmptrap.exe,-3 (SNMPTRAP) - Unknown owner - C:\Windows\System32\snmptrap.exe (file missing)
O23 - Service: @%systemroot%\system32\spoolsv.exe,-1 (Spooler) - Unknown owner - C:\Windows\System32\spoolsv.exe (file missing)
O23 - Service: @%SystemRoot%\system32\sppsvc.exe,-101 (sppsvc) - Unknown owner - C:\Windows\system32\sppsvc.exe (file missing)
O23 - Service: @%SystemRoot%\system32\ui0detect.exe,-101 (UI0Detect) - Unknown owner - C:\Windows\system32\UI0Detect.exe (file missing)
O23 - Service: @%SystemRoot%\system32\vaultsvc.dll,-1003 (VaultSvc) - Unknown owner - C:\Windows\system32\lsass.exe (file missing)
O23 - Service: @%SystemRoot%\system32\vds.exe,-100 (vds) - Unknown owner - C:\Windows\System32\vds.exe (file missing)
O23 - Service: @%systemroot%\system32\vssvc.exe,-102 (VSS) - Unknown owner - C:\Windows\system32\vssvc.exe (file missing)
O23 - Service: @%systemroot%\system32\wbengine.exe,-104 (wbengine) - Unknown owner - C:\Windows\system32\wbengine.exe (file missing)
O23 - Service: @%Systemroot%\system32\wbem\wmiapsrv.exe,-110 (wmiApSrv) - Unknown owner - C:\Windows\system32\wbem\WmiApSrv.exe (file missing)
O23 - Service: @%PROGRAMFILES%\Windows Media Player\wmpnetwk.exe,-101 (WMPNetworkSvc) - Unknown owner - C:\Program Files (x86)\Windows Media Player\wmpnetwk.exe (file missing)

hijackthis n'est pas compatible 64 bit !

dans ton annonce, tu as marqué que ton pc est sous xp,

mais d'après ce que je vois, tu es sous quelque chose (vista!) en 64 bit !

* Télécharge ZHPDiag

https://www.zebulon.fr/telechargements/securite/systeme/zhpdiag.html

* Laisse toi guider lors de l'installation, il se lancera automatiquement à la fin.
* Clique sur l'icône représentant une loupe (« Lancer le diagnostic »)
* Enregistre le rapport sur ton Bureau à l'aide de l'icône représentant une disquette
* Héberge le rapport ZHPDiag.txt sur ce site, puis copie/colle le lien fourni dans ta prochaine réponse sur le forum.
http://www.cijoint.fr/