controlla questa cartella se non la conosci eliminala

C:\Documents and Settings\utente\Dati applicazioni\wtxpcom

vai qui e controlla questo file se viene riconosciuto nocivo

C:\WINDOWS\System32\emptyregdb.dat

adesso apri OTL e copia nello spazio bianco questo testo

:OTL
DRV - File not found [Kernel | On_Demand | Stopped] -- -- (WDICA)
DRV - File not found [Kernel | On_Demand | Stopped] -- -- (PDRFRAME)
DRV - File not found [Kernel | On_Demand | Stopped] -- -- (PDRELI)
DRV - File not found [Kernel | On_Demand | Stopped] -- -- (PDFRAME)
DRV - File not found [Kernel | On_Demand | Stopped] -- -- (PDCOMP)
DRV - File not found [Kernel | System | Stopped] -- -- (PCIDump)
DRV - File not found [Kernel | System | Stopped] -- -- (lbrtfdc)
DRV - File not found [Kernel | System | Stopped] -- -- (i2omgmt)
DRV - File not found [Kernel | On_Demand | Stopped] -- C:\Documents and Settings\utente\Desktop\PC WIZARD\pcwiz_x32.sys -- (cpuz134)
DRV - File not found [Kernel | System | Stopped] -- -- (Changer)
IE - HKLM\..\SearchScopes,DefaultScope = {0633EE93-D776-472f-A0FF-E1416B8B2E3A}
IE - HKLM\..\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}: "URL" = http://search.chatzum.com/?q={searchTerms}
IE - HKU\.DEFAULT\..\SearchScopes,DefaultScope = {0633EE93-D776-472f-A0FF-E1416B8B2E3A}
IE - HKU\S-1-5-18\..\SearchScopes,DefaultScope = {0633EE93-D776-472f-A0FF-E1416B8B2E3A}
IE - HKU\S-1-5-19\..\SearchScopes,DefaultScope = {0633EE93-D776-472f-A0FF-E1416B8B2E3A}
IE - HKU\S-1-5-20\..\SearchScopes,DefaultScope = {0633EE93-D776-472f-A0FF-E1416B8B2E3A}
FF - prefs.js..keyword.URL: "http://mystart.incredibar.com/mb174/?loc=IB_DS&a=6R8FFvuvei&&i=26&search="
O4 - HKU\S-1-5-21-839522115-1004336348-1177238915-1003..\Run: [] File not found
:file
C:\Programmi\1ClickDownload\1ClickDownload.exe
:reg
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Servic es\SharedAccess\Parameters\FirewallPolicy\Standard Profile\AuthorizedApplications\List]
"C:\Programmi\1ClickDownload\1ClickDownload.ex e" =-

:commands
[EMPTYTEMP]
[EMPTYFLASH]
[Reboot]
clicca su run fix e attendi ...alla fine della scansione verra' prodotto un log che dovrai allegare

riesegui una nuova scansione con OTL e posta anche questo rapporto