Antivirus.

Bonjour, j'ai pour antivirus Avira antivir et je voudrais savoir si il est toujours aussi performant puisque depuis un moment mon ordinateur est trés lent, et je voudrais savoir si cela peut provenir d'un virus que antivir ne detecte pas.
Merci. :)
Configuration: Windows XP
Internet Explorer 7.0

18 réponses

Résumé de la discussion

Plusieurs messages portent sur l'efficacité d'Avira AntiVir face à une machine lente et sur la possibilité qu'un virus non détecté soit à l'origine des ralentissements. Des conseils pratiques préconisent d'installer Spybot et Malwarebytes, puis d'effectuer des scans complets et de supprimer ce qui est détecté, avec des précautions lors de l'installation pour Spybot. D'autres échanges évoquent l'échec ou la progression d'un scan, des avertissements sur des fichiers ciblés comme des trojans, et des suggestions telles que redémarrer en mode sans échec et lancer à nouveau la vérification. En pratique, certaines réponses montrent que des résultats peuvent varier selon les modes et les outils complémentaires, et soulignent l'importance de vérifier les démarrages et les extensions actives pour repérer les risques persistants.

Bobot (l’IA à votre service)
  1. salut

    *oui antivir est toujours aussi perforement

    reglages pour antivir :

    une fois antivir ouvert click surconfiguration et coche la case "expert mode" puis sur l´onglet scanner dans la fenetre du dessous tu va voir : rootkit search click sur le petit + pour deployer et coche la case a coté de ton disk dur
    puis click sur configuration en haut a droite; dans la nouvelle fenetre a gauche >scanner > coche "scan all files" et en dessous >scanner priority = High
    coche : allow stopping the scanner, comme cela tu peux faire une pause pendant le scan si tu le desir.
    puis sur la droite coche les case suivantes :
    scan boot sectors of selected drives
    scan master boot sectors
    scan memory
    search foe rootkit before scan
    decoche :
    ignore off line files
    toujours a gauche > scan > deploie > heuristique > macrovirus heuristic = coché et en dessous > win32 heuristic la case coché et high detection level

    aussi clic sur guard puis coche scan archive puis tu decoche les 3 case en dessous puis ok

    puis tu lance un scan
    1. rootkit search click sur le petit + pour deployer et coche la case a coté de ton disk dur

      je ne sais pas si c'est moi mais je ne trouve pas rootkit search. ...
  2. c'est pas grave mais fait le reste!

    puis click sur configuration en haut a droite; dans la nouvelle fenetre a gauche >scanner > coche "scan all files" et en dessous >scanner priority = High
    coche : allow stopping the scanner, comme cela tu peux faire une pause pendant le scan si tu le desir.
    puis sur la droite coche les case suivantes :
    scan boot sectors of selected drives
    scan master boot sectors
    scan memory
    search foe rootkit before scan
    decoche :
    ignore off line files
    toujours a gauche > scan > deploie > heuristique > macrovirus heuristic = coché et en dessous > win32 heuristic la case coché et high detection level

    aussi clic sur guard puis coche scan archive puis tu decoche les 3 case en dessous puis ok
    1. ok c'est fait. Quelque chose est censé s'ouvrir ou je relance un scan ?
  3. tu relance un scan
    1. D'accord. Je vous postes le rapport a la fin ?
    2. @fio346D'accord a la fin je t'enverrai le rapport :)
  4. ok
    1. salut jessydu. Je vois que tu es toujours aussi qualifié, c'est bien. Je te remercie pour ton aide avec amd64. J'ai noté résolu a mon probleme d'adware. Au plaisir de te lire et bonne continuation.
  5. salut!je veux télécharger un antivirus pour mon ordinateur,le mien était kaspersky,mais aprés son innactivation je trouve des difficultés avec mon micro.il devient trés lent.
    1. @M@RISS@merci de me répondre,mais dois je désinstaller l'ancien tt d'abord?? je veux dire avant de cliquer sur le lien
  6. desinstalle le et mes antivir

    reglages pour antivir :

    une fois antivir ouvert click surconfiguration et coche la case "expert mode" puis sur l´onglet scanner dans la fenetre du dessous tu va voir : rootkit search click sur le petit + pour deployer et coche la case a coté de ton disk dur
    puis click sur configuration en haut a droite; dans la nouvelle fenetre a gauche >scanner > coche "scan all files" et en dessous >scanner priority = High
    coche : allow stopping the scanner, comme cela tu peux faire une pause pendant le scan si tu le desir.
    puis sur la droite coche les case suivantes :
    scan boot sectors of selected drives
    scan master boot sectors
    scan memory
    search foe rootkit before scan
    decoche :
    ignore off line files
    toujours a gauche > scan > deploie > heuristique > macrovirus heuristic = coché et en dessous > win32 heuristic la case coché et high detection level

    aussi clic sur guard puis coche scan archive puis tu decoche les 3 case en dessous puis ok
    1. merci pr votre aide mais ça ne marche pas!!!
  7. Antivir me met que le scan est fini alors que j'en suis a 19.3%.
    Normal ?
    1. Avira AntiVir Personal
      Report file date: samedi 17 mai 2008 13:37

      Scanning for 1276115 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]
      Boot mode: Normally booted
      Username: SYSTEM
      Computer name: FAMILLE-A6776AA

      Version information:
      BUILD.DAT : 8.1.00.295 16479 Bytes 09/04/2008 16:24:00
      AVSCAN.EXE : 8.1.2.12 311553 Bytes 16/04/2008 08:09:49
      AVSCAN.DLL : 8.1.1.0 53505 Bytes 16/04/2008 08:09:49
      LUKE.DLL : 8.1.2.9 151809 Bytes 16/04/2008 08:09:50
      LUKERES.DLL : 8.1.2.1 12033 Bytes 16/04/2008 08:09:50
      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 20:19:08
      ANTIVIR2.VDF : 7.0.4.53 1848832 Bytes 17/05/2008 09:39:24
      ANTIVIR3.VDF : 7.0.4.54 2048 Bytes 17/05/2008 09:39:24
      Engineversion : 8.1.0.46
      AEVDF.DLL : 8.1.0.5 102772 Bytes 16/04/2008 08:09:50
      AESCRIPT.DLL : 8.1.0.33 266618 Bytes 16/05/2008 09:33:39
      AESCN.DLL : 8.1.0.18 119156 Bytes 16/05/2008 09:33:37
      AERDL.DLL : 8.1.0.20 418165 Bytes 25/04/2008 08:01:10
      AEPACK.DLL : 8.1.1.5 364918 Bytes 16/05/2008 09:33:36
      AEOFFICE.DLL : 8.1.0.18 192890 Bytes 20/04/2008 08:04:12
      AEHEUR.DLL : 8.1.0.29 1253750 Bytes 16/05/2008 09:33:34
      AEHELP.DLL : 8.1.0.14 115063 Bytes 20/04/2008 08:04:08
      AEGEN.DLL : 8.1.0.21 303477 Bytes 16/05/2008 09:33:30
      AEEMU.DLL : 8.1.0.6 430451 Bytes 08/05/2008 09:01:39
      AECORE.DLL : 8.1.0.29 168311 Bytes 16/05/2008 09:33:28
      AVWINLL.DLL : 1.0.0.7 14593 Bytes 16/04/2008 08:09:49
      AVPREF.DLL : 8.0.0.1 25857 Bytes 16/04/2008 08:09:49
      AVREP.DLL : 7.0.0.1 155688 Bytes 16/04/2007 13:16:24
      AVREG.DLL : 8.0.0.0 30977 Bytes 16/04/2008 08:09:49
      AVARKT.DLL : 1.0.0.23 307457 Bytes 16/04/2008 08:09:49
      AVEVTLOG.DLL : 8.0.0.11 114945 Bytes 16/04/2008 08:09:49
      SQLITE3.DLL : 3.3.17.1 339968 Bytes 16/04/2008 08:09:50
      SMTPLIB.DLL : 1.2.0.19 28929 Bytes 16/04/2008 08:09:50
      NETNT.DLL : 8.0.0.1 7937 Bytes 16/04/2008 08:09:50
      RCIMAGE.DLL : 8.0.0.35 2371841 Bytes 16/04/2008 08:09:44
      RCTEXT.DLL : 8.0.32.0 86273 Bytes 16/04/2008 08:09:44

      Configuration settings for the scan:
      Jobname..........................: Complete system scan
      Configuration file...............: c:\program files\avira\antivir personaledition classic\sysscan.avp
      Logging..........................: low
      Primary action...................: interactive
      Secondary action.................: ignore
      Scan master boot sector..........: on
      Scan boot sector.................: on
      Boot sectors.....................: C:, D:, E:, F:,
      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...................: high

      Start of the scan: samedi 17 mai 2008 13:37

      The scan of running processes will be started
      Scan process 'wmfdist.exe' - '0' Module(s) have been scanned
      Scan process 'dealio.exe' - '1' Module(s) have been scanned
      Scan process 'avscan.exe' - '1' Module(s) have been scanned
      Scan process 'Setup_FreeConverter[1].tmp' - '1' Module(s) have been scanned
      Scan process 'Setup_FreeConverter[1].exe' - '1' Module(s) have been scanned
      Scan process 'msn_sl.exe' - '1' Module(s) have been scanned
      Scan process 'avcenter.exe' - '1' Module(s) have been scanned
      Scan process 'WLLoginProxy.exe' - '1' Module(s) have been scanned
      Scan process 'iexplore.exe' - '1' Module(s) have been scanned
      Scan process 'usnsvc.exe' - '1' Module(s) have been scanned
      Scan process 'FxSvr2.exe' - '1' Module(s) have been scanned
      Scan process 'LogitechDesktopMessenger.exe' - '1' Module(s) have been scanned
      Scan process 'ctfmon.exe' - '1' Module(s) have been scanned
      Scan process 'GoogleToolbarNotifier.exe' - '1' Module(s) have been scanned
      Scan process 'msnmsgr.exe' - '1' Module(s) have been scanned
      Scan process 'avgnt.exe' - '1' Module(s) have been scanned
      Scan process 'rundll32.exe' - '1' Module(s) have been scanned
      Scan process 'CTHELPER.EXE' - '1' Module(s) have been scanned
      Scan process 'LogiTray.exe' - '1' Module(s) have been scanned
      Scan process 'LVCOMSX.EXE' - '1' Module(s) have been scanned
      Scan process 'jusched.exe' - '1' Module(s) have been scanned
      Scan process 'wdfmgr.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 'mDNSResponder.exe' - '1' Module(s) have been scanned
      Scan process 'AppleMobileDeviceService.exe' - '1' Module(s) have been scanned
      Scan process 'sched.exe' - '1' Module(s) have been scanned
      Scan process 'explorer.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 '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 '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
      39 processes with 39 modules were scanned

      Starting master boot sector scan:
      Master boot sector HD0
      [INFO] No virus was found!
      Master boot sector HD1
      [INFO] No virus was found!

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

      Starting to scan the registry.
      The registry was scanned ( '30' files ).

      Starting the file scan:

      Begin scan in 'C:\'
      C:\pagefile.sys
      [WARNING] The file could not be opened!
      C:\Documents and Settings\fiona\Bureau\Top of Charts - 2005.wma
      [DETECTION] Is the Trojan horse TR/Dldr.Age.3566386
      [NOTE] The file was deleted!

      End of the scan: samedi 17 mai 2008 13:52
      Used time: 15:39 min

      The scan has been canceled!

      1658 Scanning directories
      21979 Files were scanned
      1 viruses and/or unwanted programs were found
      0 Files were classified as suspicious:
      1 files were deleted
      0 files were repaired
      0 files were moved to quarantine
      0 files were renamed
      1 Files cannot be scanned
      21978 Files not concerned
      229 Archives were scanned
      1 Warnings
      1 Notes
      1. Avira AntiVir Personal
        Report file date: samedi 17 mai 2008 18:51

        Scanning for 1276115 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]
        Boot mode: Normally booted
        Username: SYSTEM
        Computer name: FAMILLE-A6776AA

        Version information:
        BUILD.DAT : 8.1.00.295 16479 Bytes 09/04/2008 16:24:00
        AVSCAN.EXE : 8.1.2.12 311553 Bytes 16/04/2008 08:09:49
        AVSCAN.DLL : 8.1.1.0 53505 Bytes 16/04/2008 08:09:49
        LUKE.DLL : 8.1.2.9 151809 Bytes 16/04/2008 08:09:50
        LUKERES.DLL : 8.1.2.1 12033 Bytes 16/04/2008 08:09:50
        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 20:19:08
        ANTIVIR2.VDF : 7.0.4.53 1848832 Bytes 17/05/2008 09:39:24
        ANTIVIR3.VDF : 7.0.4.54 2048 Bytes 17/05/2008 09:39:24
        Engineversion : 8.1.0.46
        AEVDF.DLL : 8.1.0.5 102772 Bytes 16/04/2008 08:09:50
        AESCRIPT.DLL : 8.1.0.33 266618 Bytes 16/05/2008 09:33:39
        AESCN.DLL : 8.1.0.18 119156 Bytes 16/05/2008 09:33:37
        AERDL.DLL : 8.1.0.20 418165 Bytes 25/04/2008 08:01:10
        AEPACK.DLL : 8.1.1.5 364918 Bytes 16/05/2008 09:33:36
        AEOFFICE.DLL : 8.1.0.18 192890 Bytes 20/04/2008 08:04:12
        AEHEUR.DLL : 8.1.0.29 1253750 Bytes 16/05/2008 09:33:34
        AEHELP.DLL : 8.1.0.14 115063 Bytes 20/04/2008 08:04:08
        AEGEN.DLL : 8.1.0.21 303477 Bytes 16/05/2008 09:33:30
        AEEMU.DLL : 8.1.0.6 430451 Bytes 08/05/2008 09:01:39
        AECORE.DLL : 8.1.0.29 168311 Bytes 16/05/2008 09:33:28
        AVWINLL.DLL : 1.0.0.7 14593 Bytes 16/04/2008 08:09:49
        AVPREF.DLL : 8.0.0.1 25857 Bytes 16/04/2008 08:09:49
        AVREP.DLL : 7.0.0.1 155688 Bytes 16/04/2007 13:16:24
        AVREG.DLL : 8.0.0.0 30977 Bytes 16/04/2008 08:09:49
        AVARKT.DLL : 1.0.0.23 307457 Bytes 16/04/2008 08:09:49
        AVEVTLOG.DLL : 8.0.0.11 114945 Bytes 16/04/2008 08:09:49
        SQLITE3.DLL : 3.3.17.1 339968 Bytes 16/04/2008 08:09:50
        SMTPLIB.DLL : 1.2.0.19 28929 Bytes 16/04/2008 08:09:50
        NETNT.DLL : 8.0.0.1 7937 Bytes 16/04/2008 08:09:50
        RCIMAGE.DLL : 8.0.0.35 2371841 Bytes 16/04/2008 08:09:44
        RCTEXT.DLL : 8.0.32.0 86273 Bytes 16/04/2008 08:09:44

        Configuration settings for the scan:
        Jobname..........................: Complete system scan
        Configuration file...............: c:\program files\avira\antivir personaledition classic\sysscan.avp
        Logging..........................: low
        Primary action...................: interactive
        Secondary action.................: ignore
        Scan master boot sector..........: on
        Scan boot sector.................: on
        Boot sectors.....................: C:, D:, E:, F:,
        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...................: high

        Start of the scan: samedi 17 mai 2008 18:51

        The scan of running processes will be started
        Scan process 'avscan.exe' - '1' Module(s) have been scanned
        Scan process 'update.exe' - '1' Module(s) have been scanned
        Scan process 'wuauclt.exe' - '1' Module(s) have been scanned
        Scan process 'WLLoginProxy.exe' - '1' Module(s) have been scanned
        Scan process 'msn_sl.exe' - '1' Module(s) have been scanned
        Scan process 'usnsvc.exe' - '1' Module(s) have been scanned
        Scan process 'iexplore.exe' - '1' Module(s) have been scanned
        Scan process 'FxSvr2.exe' - '1' Module(s) have been scanned
        Scan process 'LogitechDesktopMessenger.exe' - '1' Module(s) have been scanned
        Scan process 'ctfmon.exe' - '1' Module(s) have been scanned
        Scan process 'GoogleToolbarNotifier.exe' - '1' Module(s) have been scanned
        Scan process 'msnmsgr.exe' - '1' Module(s) have been scanned
        Scan process 'SearchSettings.exe' - '1' Module(s) have been scanned
        Scan process 'reader_sl.exe' - '1' Module(s) have been scanned
        Scan process 'avgnt.exe' - '1' Module(s) have been scanned
        Scan process 'rundll32.exe' - '1' Module(s) have been scanned
        Scan process 'CTHELPER.EXE' - '1' Module(s) have been scanned
        Scan process 'LogiTray.exe' - '1' Module(s) have been scanned
        Scan process 'LVCOMSX.EXE' - '1' Module(s) have been scanned
        Scan process 'jusched.exe' - '1' Module(s) have been scanned
        Scan process 'wdfmgr.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 'mDNSResponder.exe' - '1' Module(s) have been scanned
        Scan process 'AppleMobileDeviceService.exe' - '1' Module(s) have been scanned
        Scan process 'sched.exe' - '1' Module(s) have been scanned
        Scan process 'explorer.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 '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 '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
        39 processes with 39 modules were scanned

        Starting master boot sector scan:
        Master boot sector HD0
        [INFO] No virus was found!
        Master boot sector HD1
        [INFO] No virus was found!

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

        Starting to scan the registry.
        The registry was scanned ( '31' files ).

        Starting the file scan:

        Begin scan in 'C:\'
        C:\pagefile.sys
        [WARNING] The file could not be opened!
        C:\Documents and Settings\fiona\Mes documents\Ma musique\68 2008 gaetane abial.mp3
        [DETECTION] Is the Trojan horse TR/Dldr.WMA.Wimad.N
        [NOTE] The file was deleted!
        C:\Documents and Settings\fiona\Mes documents\Ma musique\my own private alaska.mpg
        [DETECTION] Is the Trojan horse TR/Dldr.WMA.Wimad.N
        [NOTE] The file was deleted!
        C:\Documents and Settings\fiona\Mes documents\Ma musique\port of amsterdam david bohi.mp3
        [DETECTION] Is the Trojan horse TR/Dldr.WMA.Wimad.N
        [NOTE] The file was deleted!
        C:\WINDOWS\system32\drivers\sptd.sys
        [WARNING] The file could not be opened!
        Begin scan in 'D:\'
        Search path D:\ could not be opened!
        Le volume ne contient pas de système de fichiers connu. Vérifiez si tous les pilotes de système
        de fichiers nécessaires sont chargés et si le volume n'est pas endommagé.

        Begin scan in 'E:\' <stock_DIVX>
        Begin scan in 'F:\' <stocki_MP3>

        End of the scan: samedi 17 mai 2008 19:57
        Used time: 1:06:19 min

        The scan has been done completely.

        7540 Scanning directories
        312152 Files were scanned
        3 viruses and/or unwanted programs were found
        0 Files were classified as suspicious:
        3 files were deleted
        0 files were repaired
        0 files were moved to quarantine
        0 files were renamed
        2 Files cannot be scanned
        312149 Files not concerned
        3515 Archives were scanned
        2 Warnings
        3 Notes
        1. telecharge spybot + malwarebyte mes les a jours puis fait un scan et supprime tous se qu'ils trouvent

          pour spybot a l'installation tu decoche les cases la :

          use internet explorer (SD helper)

          et

          use système setting protection (tea timer)

          puus pour malwarebytes tu fais un scan complet
          1. tu redémarre l'ordi en mode sans échec et tu relance les scans
            1. Bon, donc meme en mode sans echec l'ordianateur plante.
              JE vois le curseur de ma souris mais plus rien ne bouge, l'heure n'avance plus.
              Donc je ne sais pas quoi faire...
              1. donc pour finir jai sorti ma centrale et je l'ai nettoyé en faisant attention.

                Donc je verrais bien pas la suite ce qu'il m'arrive....
                En esperant uqe tout ira pour le mieux :).
                1. Bon Jai de nouveau un probleme, lorsque Avira ce met en route l'ordinateur plante.
                  de quoi cela peut-il venir ?