Virus TR/Crypt.XPACK.Gen et TR/Crypt.ULM.Gen

Bonjour,
mon fils a contracté ce virus sur msn au depart j avais avvaast en antivirus,mais depuis j'ai installé antivir et avg antispyware mais toujours le même probleme a chaque demarrage de mon pc antivir detecte ces deux virus que je mets ensuite en quarantaine mais impossible de m'en débarrasser voici le rapport antivir

AntiVir PersonalEdition Classic
Report file date: samedi 5 avril 2008 14:50

Scanning for 1181183 virus strains and unwanted programs.

Licensed to: Avira AntiVir PersonalEdition Classic
Serial number: 0000149996-ADJIE-0001
Platform: Windows XP
Windows version: (Service Pack 2) [5.1.2600]
Username: Propriétaire
Computer name: A19936F0D08F493

Version information:
BUILD.DAT : 270 15603 Bytes 19/09/2007 13:32:00
AVSCAN.EXE : 7.0.6.1 290856 Bytes 23/08/2007 13:16:29
AVSCAN.DLL : 7.0.6.0 49192 Bytes 16/08/2007 12:23:51
LUKE.DLL : 7.0.5.3 147496 Bytes 14/08/2007 15:32:47
LUKERES.DLL : 7.0.6.1 10280 Bytes 21/08/2007 12:35:20
ANTIVIR0.VDF : 6.40.0.0 11030528 Bytes 18/07/2007 14:27:15
ANTIVIR1.VDF : 7.0.3.2 5447168 Bytes 07/03/2008 14:30:19
ANTIVIR2.VDF : 7.0.3.85 434176 Bytes 27/03/2008 14:30:19
ANTIVIR3.VDF : 7.0.3.121 189952 Bytes 04/04/2008 21:07:18
AVEWIN32.DLL : 7.6.0.81 3424768 Bytes 04/04/2008 21:07:18
AVWINLL.DLL : 1.0.0.7 14376 Bytes 26/02/2007 10:36:26
AVPREF.DLL : 7.0.2.2 25640 Bytes 18/07/2007 07:39:17
AVREP.DLL : 7.0.0.1 155688 Bytes 16/04/2007 13:16:24
AVPACK32.DLL : 7.6.0.3 360488 Bytes 28/03/2008 14:30:20
AVREG.DLL : 7.0.1.6 30760 Bytes 18/07/2007 07:17:06
AVARKT.DLL : 1.0.0.20 278568 Bytes 28/08/2007 12:26:33
AVEVTLOG.DLL : 7.0.0.20 86056 Bytes 18/07/2007 07:10:18
NETNT.DLL : 7.0.0.0 7720 Bytes 08/03/2007 11:09:42
RCIMAGE.DLL : 7.0.1.30 2342952 Bytes 07/08/2007 12:38:13
RCTEXT.DLL : 7.0.62.0 86056 Bytes 21/08/2007 12:50:37
SQLITE3.DLL : 3.3.17.1 339968 Bytes 23/07/2007 09:37:21

Configuration settings for the scan:
Jobname..........................: Local Drives
Configuration file...............: c:\program files\avira\antivir personaledition classic\alldrives.avp
Logging..........................: low
Primary action...................: interactive
Secondary action.................: ignore
Scan master boot sector..........: off
Scan boot sector.................: on
Boot sectors.....................: E:,
Scan memory......................: on
Process scan.....................: on
Scan registry....................: on
Search for rootkits..............: off
Scan all files...................: All files
Scan archives....................: on
Recursion depth..................: 20
Smart extensions.................: on
Macro heuristic..................: on
File heuristic...................: medium

Start of the scan: samedi 5 avril 2008 14:50

The scan of running processes will be started
Scan process 'avscan.exe' - '1' Module(s) have been scanned
Scan process 'avcenter.exe' - '1' Module(s) have been scanned
Scan process 'AcroRd32.exe' - '1' Module(s) have been scanned
Scan process 'msnmsgr.exe' - '1' Module(s) have been scanned
Scan process 'usnsvc.exe' - '1' Module(s) have been scanned
Scan process 'epmworker.exe' - '1' Module(s) have been scanned
Scan process 'Generic.exe' - '1' Module(s) have been scanned
Scan process 'NkvMon.exe' - '1' Module(s) have been scanned
Scan process 'ScannerFinder.exe' - '1' Module(s) have been scanned
Scan process 'wmpnscfg.exe' - '1' Module(s) have been scanned
Scan process 'GoogleToolbarNotifier.exe' - '1' Module(s) have been scanned
Scan process 'ctfmon.exe' - '1' Module(s) have been scanned
Scan process 'avgnt.exe' - '1' Module(s) have been scanned
Scan process 'avgas.exe' - '1' Module(s) have been scanned
Scan process 'CamService.exe' - '1' Module(s) have been scanned
Scan process 'vsnp2uvc.exe' - '1' Module(s) have been scanned
Scan process 'Application Launcher.exe' - '1' Module(s) have been scanned
Scan process 'apdproxy.exe' - '1' Module(s) have been scanned
Scan process 'jusched.exe' - '1' Module(s) have been scanned
Scan process 'CRBroadCasting.exe' - '1' Module(s) have been scanned
Scan process 'E_S10IC2.EXE' - '1' Module(s) have been scanned
Scan process 'explorer.exe' - '1' Module(s) have been scanned
Scan process 'alg.exe' - '1' Module(s) have been scanned
Scan process 'wmpnetwk.exe' - '1' Module(s) have been scanned
Scan process 'svchost.exe' - '1' Module(s) have been scanned
Scan process 'OTiReader.exe' - '1' Module(s) have been scanned
Scan process 'MDM.EXE' - '1' Module(s) have been scanned
Scan process 'svchost.exe' - '1' Module(s) have been scanned
Scan process 'SAgent2.exe' - '1' Module(s) have been scanned
Scan process 'guard.exe' - '1' Module(s) have been scanned
Scan process 'sched.exe' - '1' Module(s) have been scanned
Scan process 'avguard.exe' - '1' Module(s) have been scanned
Scan process 'spoolsv.exe' - '1' Module(s) have been scanned
Scan process 'ati2evxx.exe' - '1' Module(s) have been scanned
Scan process 'svchost.exe' - '1' Module(s) have been scanned
Scan process 'svchost.exe' - '1' Module(s) have been scanned
Scan process 'svchost.exe' - '1' Module(s) have been scanned
Scan process 'svchost.exe' - '1' Module(s) have been scanned
Scan process 'svchost.exe' - '1' Module(s) have been scanned
Scan process 'ati2evxx.exe' - '1' Module(s) have been scanned
Scan process 'lsass.exe' - '1' Module(s) have been scanned
Scan process 'services.exe' - '1' Module(s) have been scanned
Scan process 'winlogon.exe' - '1' Module(s) have been scanned
Scan process 'csrss.exe' - '1' Module(s) have been scanned
Scan process 'smss.exe' - '1' Module(s) have been scanned
45 processes with 45 modules were scanned

Start scanning boot sectors:
Boot sector 'C:\'
[NOTE] No virus was found!
Boot sector 'D:\'
[NOTE] No virus was found!

Starting to scan the registry.
The registry was scanned ( '36' files ).


Starting the file scan:

Begin scan in 'C:\'
C:\pagefile.sys
[WARNING] The file could not be opened!
C:\Documents and Settings\Morgan\Local Settings\Temp\services.exe
[WARNING] The file could not be opened!
Begin scan in 'D:\'
Begin scan in 'E:\'
Search path E:\ could not be opened!
Le périphérique n'est pas prêt.



End of the scan: samedi 5 avril 2008 15:21
Used time: 31:48 min

The scan has been done completely.

6582 Scanning directories
282142 Files were scanned
0 viruses and/or unwanted programs were found
0 Files were classified as suspicious:
0 files were deleted
0 files were repaired
0 files were moved to quarantine
0 files were renamed
2 Files cannot be scanned
282142 Files not concerned
1798 Archives were scanned
2 Warnings
0 Notes