Ho notato in questi giorni che navigando in internet mi si aprono pagine pubblicitarie da sole. Facendo il log di Hijackthis ho notato la voce strana Plauncher:

Logfile of Trend Micro HijackThis v2.0.4
Scan saved at 18.29.12, on 20/10/2012
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v8.00 (8.00.6001.18702)
Boot mode: Normal

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\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Programmi\Avira\AntiVir Desktop\sched.exe
C:\Programmi\Avira\AntiVir Desktop\avguard.exe
C:\Programmi\File comuni\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\ASTSRV.EXE
C:\WINDOWS\system32\svchost.exe
C:\Programmi\Bonjour\mDNSResponder.exe
C:\WINDOWS\System32\svchost.exe
C:\Programmi\File comuni\LightScribe\LSSrvc.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\NlsSrv32.exe
C:\Programmi\File comuni\PACE\Services\LicenseServices\LDSvc.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\Programmi\HPQ\IAM\bin\asghost.exe
C:\Programmi\Hewlett-Packard\Shared\hpqwmiex.exe
C:\WINDOWS\Explorer.EXE
C:\Programmi\Analog Devices\Core\smax4pnp.exe
C:\WINDOWS\System32\DLA\DLACTRLW.EXE
C:\Programmi\Synaptics\SynTP\SynTPEnh.exe
C:\WINDOWS\system32\igfxtray.exe
C:\WINDOWS\system32\hkcmd.exe
C:\WINDOWS\system32\igfxsrvc.exe
C:\WINDOWS\system32\igfxpers.exe
C:\Programmi\hpq\HP Wireless Assistant\HP Wireless Assistant.exe
C:\Programmi\Avira\AntiVir Desktop\avshadow.exe
C:\WINDOWS\SMINST\Scheduler.exe
C:\Programmi\Hp\HP Software Update\HPWuSchd2.exe
C:\Programmi\Avira\AntiVir Desktop\avgnt.exe
C:\PROGRA~1\HPQ\Shared\HPQTOA~1.EXE
C:\Documents and Settings\All Users\Documenti\AppData\PoApp\PService.exe
C:\Programmi\Java\jre7\bin\jqs.exe
C:\WINDOWS\system32\wbem\wmiapsrv.exe
C:\Documents and Settings\Nicola\Impostazioni locali\Dati applicazioni\Google\Chrome\Application\chrome.exe
C:\Documents and Settings\Nicola\Impostazioni locali\Dati applicazioni\Google\Chrome\Application\chrome.exe
C:\Documents and Settings\Nicola\Documenti\Downloads\HPPSdr.exe
C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\HPZSTC1 2.exe
C:\Documents and Settings\Nicola\Impostazioni locali\Dati applicazioni\Google\Chrome\Application\chrome.exe
C:\Documents and Settings\Nicola\Impostazioni locali\Dati applicazioni\Google\Chrome\Application\chrome.exe
C:\Documents and Settings\Nicola\Desktop\HijackThis.exe

R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = MSN.com
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = Bing
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = Bing
R1 - HKCU\Software\Microsoft\Internet Connection Wizard,ShellNext = HP - United States | Laptop Computers, Desktops , Printers, Servers and more
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Int ernet Settings,ProxyOverride = *.local
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Programmi\File comuni\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: DriveLetterAccess - {5CA3D70E-1895-11CF-8E15-001234567890} - C:\WINDOWS\System32\DLA\DLASHX_W.DLL
O2 - BHO: Java(tm) Plug-In SSV Helper - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Programmi\Java\jre7\bin\ssv.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Programmi\Java\jre7\bin\jp2ssv.dll
O2 - BHO: HP Credential Manager for ProtectTools - {DF21F1DB-80C6-11D3-9483-B03D0EC10000} - C:\Programmi\HPQ\IAM\Bin\ItIeAddIN.dll
O4 - HKLM\..\Run: [SoundMAXPnP] C:\Programmi\Analog Devices\Core\smax4pnp.exe
O4 - HKLM\..\Run: [PTHOSTTR] C:\Programmi\HPQ\HP ProtectTools Security Manager\PTHOSTTR.EXE /Start
O4 - HKLM\..\Run: [DLA] C:\WINDOWS\System32\DLA\DLACTRLW.EXE
O4 - HKLM\..\Run: [SynTPEnh] C:\Programmi\Synaptics\SynTP\SynTPEnh.exe
O4 - HKLM\..\Run: [igfxtray] C:\WINDOWS\system32\igfxtray.exe
O4 - HKLM\..\Run: [igfxhkcmd] C:\WINDOWS\system32\hkcmd.exe
O4 - HKLM\..\Run: [igfxpers] C:\WINDOWS\system32\igfxpers.exe
O4 - HKLM\..\Run: [hpWirelessAssistant] C:\Programmi\hpq\HP Wireless Assistant\HP Wireless Assistant.exe
O4 - HKLM\..\Run: [CognizanceTS] rundll32.exe C:\PROGRA~1\HPQ\IAM\Bin\AsTsVcc.dll,RegisterModule
O4 - HKLM\..\Run: [Cpqset] C:\Programmi\HPQ\Default Settings\cpqset.exe
O4 - HKLM\..\Run: [Recguard] C:\WINDOWS\Sminst\Recguard.exe
O4 - HKLM\..\Run: [Scheduler] C:\WINDOWS\SMINST\Scheduler.exe
O4 - HKLM\..\Run: [HP Software Update] C:\Programmi\Hp\HP Software Update\HPWuSchd2.exe
O4 - HKLM\..\Run: [avgnt] "C:\Programmi\Avira\AntiVir Desktop\avgnt.exe" /min
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Programmi\Adobe\Reader 9.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [Adobe ARM] "C:\Programmi\File comuni\Adobe\ARM\1.0\AdobeARM.exe"
O4 - HKLM\..\Run: [APSDaemon] "C:\Programmi\File comuni\Apple\Apple Application Support\APSDaemon.exe"
O4 - HKLM\..\Run: [QuickTime Task] "C:\Programmi\QuickTime\QTTask.exe" -atboottime
O4 - HKLM\..\Run: [PosService] C:\Documents and Settings\All Users\Documenti\AppData\PoApp\PLauncher.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Programmi\File comuni\Java\Java Update\jusched.exe"
O4 - HKUS\S-1-5-18\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'Default user')
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Programmi\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Programmi\Messenger\msmsgs.exe
O14 - IERESET.INF: START_PAGE_URL=http://www.hp.com
O17 - HKLM\System\CCS\Services\Tcpip\..\{2E71EDC9-CE7A-4C05-8B29-29E0EECD08AE}: NameServer = 176.31.229.24,176.31.229.25
O17 - HKLM\System\CCS\Services\Tcpip\..\{5D4774D6-7007-4838-907F-F5B91C42CCB9}: NameServer = 176.31.229.24,176.31.229.25
O17 - HKLM\System\CCS\Services\Tcpip\..\{98AE3395-D741-4B26-9944-61ABBD185A39}: NameServer = 176.31.229.24,176.31.229.25
O17 - HKLM\System\CCS\Services\Tcpip\..\{F7C90995-1FBF-491F-8E3A-C5B16635FB40}: NameServer = 176.31.229.24,176.31.229.25
O17 - HKLM\System\CS1\Services\Tcpip\..\{2E71EDC9-CE7A-4C05-8B29-29E0EECD08AE}: NameServer = 176.31.229.24,176.31.229.25
O20 - Winlogon Notify: OneCard - C:\Programmi\HPQ\IAM\Bin\AsWlnPkg.dll
O22 - SharedTaskScheduler: Precaricatore Browseui - {438755C2-A8BA-11D1-B96B-00A0C90312E1} - C:\WINDOWS\system32\browseui.dll
O22 - SharedTaskScheduler: Daemon di cache delle categorie di componenti - {8C7461EF-2B13-11d2-BE35-3078302C2030} - C:\WINDOWS\system32\browseui.dll
O23 - Service: Avira Pianificatore (AntiVirSchedulerService) - Avira Operations GmbH & Co. KG - C:\Programmi\Avira\AntiVir Desktop\sched.exe
O23 - Service: Avira Realtime Protection (AntiVirService) - Avira Operations GmbH & Co. KG - C:\Programmi\Avira\AntiVir Desktop\avguard.exe
O23 - Service: Apple Mobile Device - Apple Inc. - C:\Programmi\File comuni\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
O23 - Service: AST Service (astcc) - Nalpeiron Ltd. - C:\WINDOWS\system32\ASTSRV.EXE
O23 - Service: Servizio Bonjour (Bonjour Service) - Apple Inc. - C:\Programmi\Bonjour\mDNSResponder.exe
O23 - Service: hpqwmiex - Hewlett-Packard Development Company, L.P. - C:\Programmi\Hewlett-Packard\Shared\hpqwmiex.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Programmi\File comuni\InstallShield\Driver\1050\Intel 32\IDriverT.exe
O23 - Service: Servizio iPod (iPod Service) - Apple Inc. - C:\Programmi\iPod\bin\iPodService.exe
O23 - Service: Java Quick Starter (JavaQuickStarterService) - Oracle Corporation - C:\Programmi\Java\jre7\bin\jqs.exe
O23 - Service: LightScribeService Direct Disc Labeling Service (LightScribeService) - Hewlett-Packard Company - C:\Programmi\File comuni\LightScribe\LSSrvc.exe
O23 - Service: Nalpeiron Licensing Service (nlsX86cc) - Nalpeiron Ltd. - C:\WINDOWS\system32\NlsSrv32.exe
O23 - Service: PACE License Services (PaceLicenseDServices) - PACE Anti-Piracy, Inc. - C:\Programmi\File comuni\PACE\Services\LicenseServices\LDSvc.exe
O23 - Service: PC Angel (PCA) - SoftThinks - C:\WINDOWS\SMINST\PCAngel.exe

Dopo averla fixata insieme a tutte le voci 017 ho eliminato PowerOffer che mi si era installato nel computer. Ho fatto tutte le procedure sengalate qui:

http://www.megalab.it/8144/come-rimu...ostri-computer