win32.dialer.jw found by Spybot S&D

Please, help me because I found this Trojan in my pc through Spybot's analysis but I'm not able to remove it definitively: when a Fix it, then Spybot find it again. This is my hijackthis log file: Logfile of HijackThis v1.99.1 Scan saved at 15.22.50, on 02/10/2006 Platform: Windows XP SP2 (WinNT 5.01.2600) MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180) Running processes: C:\WINDOWS\System32\smss.exe C:\WINDOWS\system32\csrss.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:\Programmi\Sophos\Sophos Anti-Virus\SavService.exe C:\WINDOWS\System32\svchost.exe C:\WINDOWS\System32\svchost.exe C:\Programmi\File comuni\Symantec Shared\ccSetMgr.exe C:\Programmi\File comuni\Symantec Shared\ccEvtMgr.exe C:\Programmi\File comuni\Symantec Shared\SNDSrvc.exe C:\Programmi\File comuni\Symantec Shared\SPBBC\SPBBCSvc.exe C:\Programmi\File comuni\Symantec Shared\CCPD-LC\symlcsvc.exe C:\WINDOWS\system32\spoolsv.exe C:\Programmi\IBM\IBM Rapid Restore Ultra\rrpcsb.exe C:\WINDOWS\system32\inetsrv\inetinfo.exe C:\Programmi\Microsoft SQL Server\MSSQL$SOPHOS\Binn\sqlservr.exe c:\Programmi\Microsoft SQL Server\MSSQL.1\MSSQL\Binn\sqlservr.exe C:\Programmi\Microsoft SQL Server\MSSQL\Binn\sqlservr.exe C:\Programmi\MySQL\MySQL Server 5.0\bin\mysqld-nt.exe C:\Programmi\Norton AntiVirus\navapsvc.exe C:\Programmi\Norton AntiVirus\IWP\NPFMntor.exe C:\Programmi\Sophos\Sophos Anti-Virus\SAVAdminService.exe C:\Programmi\Spyware Doctor\sdhelp.exe C:\Programmi\Sophos Enterprise Manager\Library\bin\schdsrvc.exe C:\WINDOWS\system32\tcpsvcs.exe C:\Programmi\Sophos\Enterprise Console\Remote Management System\ManagementAgentNT.exe C:\Programmi\Sophos\AutoUpdate\ALsvc.exe C:\Programmi\Sophos\Enterprise Console\CertificationManagerServiceNT.exe C:\Programmi\Sophos\Enterprise Console\Remote Management System\EMLibUpdateAgentNT.exe C:\Programmi\Sophos\Enterprise Console\MgntSvc.exe C:\Programmi\Sophos\Enterprise Console\Remote Management System\RouterNT.exe C:\Programmi\Analog Devices\SoundMAX\SMAgent.exe c:\Programmi\Microsoft SQL Server\90\Shared\sqlbrowser.exe C:\WINDOWS\system32\wdfmgr.exe C:\Programmi\Symantec\LiveUpdate\ALUSchedulerSvc.exe C:\WINDOWS\System32\alg.exe C:\WINDOWS\Explorer.EXE C:\Programmi\Java\jre1.5.0_06\bin\jusched.exe C:\Programmi\Hewlett-Packard\Toolbox2.0\Apache Tomcat 4.0\webapps\Toolbox\StatusClient\StatusClient.exe C:\Programmi\Analog Devices\SoundMAX\SMTray.exe C:\WINDOWS\system32\ICO.EXE C:\WINDOWS\system32\igfxtray.exe C:\WINDOWS\system32\FSRremoS.EXE C:\IBMTOOLS\UTILS\ibmprc.exe C:\Programmi\IBM\Messages By IBM\ibmmessages.exe C:\WINDOWS\system32\Pelmiced.exe C:\WINDOWS\system32\dla\tfswctrl.exe C:\Programmi\WebsiteAlive\AliveChat Operator Console .NET\AliveChat.exe C:\Programmi\QuickTime\qttask.exe C:\Programmi\File comuni\Symantec Shared\ccApp.exe C:\Programmi\Spyware Doctor\swdoctor.exe C:\Programmi\iPod\bin\iPodService.exe C:\Programmi\MSN Messenger\MsnMsgr.Exe C:\WINDOWS\system32\ctfmon.exe C:\Programmi\File comuni\Symantec Shared\Security Console\NSCSRVCE.EXE Thanks very much