Esegui 
ho appena acquistato un pc usato e mi è arrivato oggi. purtroppo all'arrivo non aveva installato alcun antivirus e quindi appena collegato a internet ed installati prevx 2.0 e avast mi dà i seguenti messaggi di virus: Trovato cavallo di troia!
nome file: C:\Rtsecar.exe\[PECompact]
nome malware: Win32:SdBot-4145 [Trj]
e poi:
nome file: C:\System Volume Information\_restore{CC6CE465-C0EB-45F9-9F3F-A7E5D18DC74F}\RP3\A0002567.exe\[Morphine]\[ASPack]
nome malware: Win32:SdBot-gen44 [Trj]
vi posto anche un log di hijackthis. come mi devo comportare?? grazie
Logfile of HijackThis v1.99.1
Scan saved at 16.26.00, on 12/06/2007
Platform: Windows XP SP1 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)
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\ibmpmsvc.exe
C:\Programmi\ThinkPad\Utilities\TpKmapMn.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\Programmi\ThinkPad\Utilities\TpKmapMn.exe
C:\Programmi\Alwil Software\Avast4\aswUpdSv.exe
C:\WINDOWS\Explorer.EXE
C:\Programmi\Alwil Software\Avast4\ashServ.exe
C:\Programmi\Synaptics\SynTP\SynTPLpr.exe
C:\Programmi\Synaptics\SynTP\SynTPEnh.exe
C:\PROGRA~1\ThinkPad\PkgMgr\HOTKEY\TPHKMGR.exe
C:\WINDOWS\System32\RunDll32.exe
C:\Programmi\ThinkPad\PkgMgr\HOTKEY\TPONSCR.exe
C:\Programmi\ThinkPad\PkgMgr\HOTKEY_1\TpScrex.exe
C:\Programmi\ThinkPad\Utilities\TpKmapMn.exe
C:\Programmi\ThinkPad\ConnectUtilities\QCWLICON.EXE
C:\PROGRA~1\ThinkPad\UTILIT~1\EzEjMnAp.Exe
C:\WINDOWS\AGRSMMSG.exe
C:\Programmi\Support.com\bin\tgcmd.exe
C:\Programmi\IBM\Messages By IBM\ibmmessages.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\system32\dla\tfswctrl.exe
C:\Programmi\Thomson\SpeedTouch USB\Dragdiag.exe
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\WINDOWS\System32\ctfmon.exe
C:\WINDOWS\System32\Ati2evxx.exe
C:\Programmi\Messenger\msmsgs.exe
C:\Programmi\Prevx2\PXAgent.exe
C:\Programmi\UltimateZip 2007\uzqkst.exe
C:\WINDOWS\system\usnsvc.exe
C:\WINDOWS\System32\QCONSVC.EXE
C:\Programmi\Alwil Software\Avast4\ashWebSv.exe
C:\Programmi\Alwil Software\Avast4\ashMaiSv.exe
C:\WINDOWS\system32\cmd.exe
C:\WINDOWS\system32\ftp.exe
C:\Programmi\Alwil Software\Avast4\ashSimpl.exe
C:\Documents and Settings\test\Desktop\Sicurezza PC\HijackThis.exe
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: Malicious Scripts Scanner - {55EA1964-F5E4-4D6A-B9B2-125B37655FCB} - C:\Documents and Settings\All Users\Dati applicazioni\Prevx\pxbho.dll
O2 - BHO: DriveLetterAccess - {5CA3D70E-1895-11CF-8E15-001234567890} - C:\WINDOWS\system32\dla\tfswshx.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O4 - HKLM\..\Run: [S3TRAY2] S3Tray2.exe
O4 - HKLM\..\Run: [SynTPLpr] C:\Programmi\Synaptics\SynTP\SynTPLpr.exe
O4 - HKLM\..\Run: [SynTPEnh] C:\Programmi\Synaptics\SynTP\SynTPEnh.exe
O4 - HKLM\..\Run: [ATIModeChange] Ati2mdxx.exe
O4 - HKLM\..\Run: [BluetoothAuthenticationAgent] rundll32.exe irprops.cpl,,BluetoothAuthenticationAgent
O4 - HKLM\..\Run: [TPHOTKEY] C:\PROGRA~1\ThinkPad\PkgMgr\HOTKEY\TPHKMGR.exe
O4 - HKLM\..\Run: [BMMGAG] RunDll32 C:\PROGRA~1\ThinkPad\UTILIT~1\pwrmonit.dll,StartPwrMonitor
O4 - HKLM\..\Run: [BMMLREF] C:\Programmi\ThinkPad\Utilities\BMMLREF.EXE
O4 - HKLM\..\Run: [TPKMAPMN] C:\Programmi\ThinkPad\Utilities\TpKmapMn.exe
O4 - HKLM\..\Run: [TP4EX] tp4ex.exe
O4 - HKLM\..\Run: [QCWLICON] C:\Programmi\ThinkPad\ConnectUtilities\QCWLICON.EXE
O4 - HKLM\..\Run: [EZEJMNAP] C:\PROGRA~1\ThinkPad\UTILIT~1\EzEjMnAp.Exe
O4 - HKLM\..\Run: [AGRSMMSG] AGRSMMSG.exe
O4 - HKLM\..\Run: [ATIPTA] C:\Programmi\ATI Technologies\ATI Control Panel\atiptaxx.exe
O4 - HKLM\..\Run: [tgcmd] "C:\Programmi\Support.com\bin\tgcmd.exe" /server
O4 - HKLM\..\Run: [ibmmessages] C:\Programmi\IBM\Messages By IBM\ibmmessages.exe
O4 - HKLM\..\Run: [StorageGuard] "c:\Programmi\VERITAS Software\Update Manager\sgtray.exe" /r
O4 - HKLM\..\Run: [dla] C:\WINDOWS\system32\dla\tfswctrl.exe
O4 - HKLM\..\Run: [SpeedTouch USB Diagnostics] "C:\Programmi\Thomson\SpeedTouch USB\Dragdiag.exe" /icon
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [SYSTEM] winmgrd.exe
O4 - HKLM\..\Run: [PrevxOne] "C:\Programmi\Prevx2\PXConsole.exe"
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - HKLM\..\RunServices: [SYSTEM] winmgrd.exe
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\ctfmon.exe
O4 - HKCU\..\Run: [ibmmessages] C:\Programmi\IBM\Messages By IBM\ibmmessages.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Programmi\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [SYSTEM] winmgrd.exe
O4 - HKCU\..\RunServices: [SYSTEM] winmgrd.exe
O4 - Startup: UltimateZip Quick Start.lnk = C:\Programmi\UltimateZip 2007\uzqkst.exe
O4 - Global Startup: Adobe Reader Synchronizer.lnk = C:\Programmi\Adobe\Reader 8.0\Reader\AdobeCollabSync.exe
O4 - Global Startup: Avvio veloce di Adobe Reader.lnk = C:\Programmi\Adobe\Reader 8.0\Reader\reader_sl.exe
O9 - Extra button: Related - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm
O9 - Extra 'Tools' menuitem: Show &Related Links - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm
O17 - HKLM\System\CCS\Services\Tcpip\..\{53E3551D-7745-46AC-A67A-6F69DA72F015}: NameServer = 85.37.17.7 85.38.28.95
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - ALWIL Software - C:\Programmi\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: Ati HotKey Poller - Unknown owner - C:\WINDOWS\System32\Ati2evxx.exe
O23 - Service: avast! Antivirus - ALWIL Software - C:\Programmi\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - Unknown owner - C:\Programmi\Alwil Software\Avast4\ashMaiSv.exe" /service (file missing)
O23 - Service: avast! Web Scanner - Unknown owner - C:\Programmi\Alwil Software\Avast4\ashWebSv.exe" /service (file missing)
O23 - Service: IBM PM Service (IBMPMSVC) - Unknown owner - C:\WINDOWS\System32\ibmpmsvc.exe
O23 - Service: Prevx Agent (PREVXAgent) - Unknown owner - C:\Programmi\Prevx2\PXAgent.exe" -f (file missing)
O23 - Service: Print Scheduler (prtsch) - Unknown owner - C:\WINDOWS\system\usnsvc.exe
O23 - Service: QCONSVC - Unknown owner - C:\WINDOWS\System32\QCONSVC.EXE
Ed installo subito il S.P.2!!!!!!!!!!!
