Trojanerwarnung nach XP Neuinstallation

All processes killed
========== OTL ==========
Registry value HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run\\XBV6RD5SZF deleted successfully.
C:\Dokumente und Einstellungen\Ralf Sievert\Lokale Einstellungen\Temp\Gvl.exe moved successfully.
C:\WINDOWS\Gpiria.exe moved successfully.
C:\2163129675308c8e2756\i386 folder moved successfully.
C:\2163129675308c8e2756\amd64 folder moved successfully.
C:\2163129675308c8e2756 folder moved successfully.
========== COMMANDS ==========
C:\WINDOWS\System32\drivers\etc\Hosts moved successfully.
HOSTS file reset successfully
 
[EMPTYTEMP]
 
User: All Users
 
User: Default User
->Temp folder emptied: 0 bytes
->Temporary Internet Files folder emptied: 33170 bytes
 
User: LocalService
->Temp folder emptied: 66016 bytes
->Temporary Internet Files folder emptied: 33170 bytes
 
User: NetworkService
->Temp folder emptied: 0 bytes
->Temporary Internet Files folder emptied: 33170 bytes
 
User: Ralf Sievert
->Temp folder emptied: 47757041 bytes
->Temporary Internet Files folder emptied: 25218357 bytes
->Java cache emptied: 938420 bytes
->FireFox cache emptied: 66608368 bytes
->Flash cache emptied: 410 bytes
 
%systemdrive% .tmp files removed: 0 bytes
%systemroot% .tmp files removed: 1139177 bytes
%systemroot%\System32 .tmp files removed: 3061639 bytes
%systemroot%\System32\dllcache .tmp files removed: 0 bytes
%systemroot%\System32\drivers .tmp files removed: 0 bytes
Windows Temp folder emptied: 19600532 bytes
RecycleBin emptied: 1230540921 bytes
 
Total Files Cleaned = 1.330,00 mb
 
 
OTL by OldTimer - Version 3.2.11.0 log created on 09012010_161757

Files\Folders moved on Reboot...

Registry entries deleted on Reboot...