copy & paste viruses: Win32:RPCexploit [Trj]

[empire]

hello i have a^problem with a virus called: Win32:RPCexploit [Trj], Cheval de Troie, it creates a new folders and files called: C:\Documents and Settings\All Users\Documents\DrWatson\user.dmp,
when it occurs it shows a small icon that svchost. exe à généré des erreurs et sera fermé par windows vous devez redemarrer le programme, un journal des erreurs est en cours de création.
such thing avoid to copy and paste folders and files, and to open new windows by links until i have to restart the PC.
the avast scan detect and delete the problem file but it will comeback without avast detecting it.

please i need help.

[Lisandro]

If a virus is replicant (coming and coming again), you should:

1) Disable System Restore on Windows XP: http://support.microsoft.com/default.aspx?scid=kb;%5BLN%5D;310405
2) Clean your temporary files.
3) Schedule a boot time scanning with avast. Start avast! > Right click the skin > Schedule a boot-time scanning. Select for scanning archives. Boot.
4) Use a-squared or ewido (trojan removers).