Appaiono schermate a ripetizione ovvero si aprono cartelle senza che io abbia dato il comando, in altre parole il mouse sembra impazzzito....
Potete spiegarmi il perchè, di seguito allego il file log di hijackthis.
Grazie per l'aiuto.

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 13.33.36, on 29/10/2008
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.5730.0013)
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:\Programmi\Alwil Software\Avast4\aswUpdSv.exe
C:\Programmi\Alwil Software\Avast4\ashServ.exe
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\Programmi\Spyware Terminator\SpywareTerminatorShield.exe
C:\WINDOWS\system32\sdehost.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Programmi\DNA\btdna.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\system32\devldr32.exe
C:\WINDOWS\system32\drivers\dcfssvc.exe
C:\Programmi\Spyware Terminator\sp_rsser.exe
C:\Programmi\Western Digital\WD Drive Manager\WDBtnMgrSvc.exe
C:\Programmi\Alwil Software\Avast4\ashMaiSv.exe
C:\Programmi\Alwil Software\Avast4\ashWebSv.exe
C:\WINDOWS\system32\wscntfy.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\explorer.exe
C:\Programmi\Trend Micro\HijackThis\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.it/
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
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page =
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
O2 - BHO: Supporto di collegamento per Adobe PDF Reader - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Programmi\File comuni\Adobe\Acrobat\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {1CB20BF0-BBAE-40A7-93F4-6435FF3D0411} - C:\Programmi\Crawler\Toolbar\ctbr.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Programmi\Java\jre1.5.0_16\bin\ssv.dll
O3 - Toolbar: Toolbar &Crawler - {4B3803EA-5230-4DC3-A7FC-33638F3D3542} - C:\Programmi\Crawler\Toolbar\ctbr.dll
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [SpywareTerminator] "C:\PROGRA~1\SPYWAR~1\SpywareTerminatorShield.exe"
O4 - HKLM\..\Run: [Transaction Interface] sdehost.exe
O4 - HKLM\..\RunServices: [Transaction Interface] sdehost.exe
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [BitTorrent DNA] "C:\Programmi\DNA\btdna.exe"
O4 - HKUS\S-1-5-19\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SERVIZIO LOCALE')
O4 - HKUS\S-1-5-20\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SERVIZIO DI RETE')
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')
O8 - Extra context menu item: Crawler Search - tbr:iemenu
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programmi\Java\jre1.5.0_16\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programmi\Java\jre1.5.0_16\bin\ssv.dll
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
O18 - Protocol: tbr - {4D25FB7A-8902-4291-960E-9ADA051CFBBF} - C:\Programmi\Crawler\Toolbar\ctbr.dll
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - ALWIL Software - C:\Programmi\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: avast! Antivirus - ALWIL Software - C:\Programmi\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - ALWIL Software - C:\Programmi\Alwil Software\Avast4\ashMaiSv.exe
O23 - Service: avast! Web Scanner - ALWIL Software - C:\Programmi\Alwil Software\Avast4\ashWebSv.exe
O23 - Service: Dcfssvc - Eastman Kodak Company - C:\WINDOWS\system32\drivers\dcfssvc.exe
O23 - Service: Spyware Terminator Realtime Shield Service (sp_rssrv) - Crawler.com - C:\Programmi\Spyware Terminator\sp_rsser.exe
O23 - Service: WD Drive Manager Service (WDBtnMgrSvc.exe) - WDC - C:\Programmi\Western Digital\WD Drive Manager\WDBtnMgrSvc.exe

--
End of file - 4582 bytes

ciao

Spunta con hjt le voci che ti indico e premi FIX CHECHED

O4 - HKLM\..\Run: [Transaction Interface] sdehost.exe

O4 - HKLM\..\RunServices: [Transaction Interface] sdehost.exe


Elimina questo file evidenziato in rosso (se lo trovi) C:\WINDOWS\system32\sdehost.exe





scarica Malwarebytes

http://www.malwarebytes.org/mbam/program/mbam-setup.exe




1) lo installi
2) [b]lo aggiorni
3) fai una scansione scegliendo la modalità completa
4) NON eliminare le eventuali minacce che rileva
5) finita la scansione seleziona il tabellino log, apri il file di testo e postalo sul forum