Qv06 ...... au secours!!!!

Fermé
husab Messages postés 1 Date d'inscription jeudi 12 septembre 2013 Statut Membre Dernière intervention 12 septembre 2013 - 12 sept. 2013 à 07:48
 vanou73 - 12 sept. 2013 à 08:37
Bonjour, comme beaucoup j'ai cette "chose" qui a infecté mon pc et j'implore de l'aide,mes compétences s'arretent là!!! voici le rapport en espérant que qqun pourra m'aider.....merci


~ Rapport de ZHPDiag v2013.9.11.193 - Nicolas Coolman (11/09/2013)
~ Lancé par Propriétaire (11/09/2013 23:08:44)
~ Adresse du Site Web https://nicolascoolman.webs.com/
~ Traduit par Nicolas Coolman
~ Etat de la version :
~ Liste blanche : Activée par le programme
~ Elévation des Privilèges : OK
~ User Account Control (UAC):


---\\ Navigateurs Internet
MSIE: Internet Explorer v8.0.6001.18702 (Defaut)
MFIE: Mozilla Firefox 23.0.1

---\\ Informations sur les produits Windows
~ Langage: Français
Windows XP Home Edition Service Pack 3 (Build 2600)
Windows Automatic Updates : OK
Windows Genuine Advantage : KO

---\\ Logiciels de protection du système
Microsoft Security Client v4.3.0215.0

---\\ Logiciels d'optimisation du système

---\\ Logiciels de partage PeerToPeer

---\\ Surveillance de Logiciels
Adobe Flash Player 11 Plugin
Adobe Reader XI
Java 7 Update 25

---\\ Informations sur le système
~ Processor: x86 Family 15 Model 107 Stepping 2, AuthenticAMD
~ Operating System: 32 Bits
Boot mode: Normal (Normal boot)
Total RAM: 1919 MB (64% free)
System Restore: Activé (Enable)
System drive C: has 42 GB (60%) free of 68 GB

---\\ Mode de connexion au système
~ Computer Name: DOXANIS-BB4E07B
~ User Name: Propriétaire
~ All Users Names: UpdatusUser, SUPPORT_388945a0, Propriétaire, HelpAssistant, Administrateur,
~ Unselected Option: O1,O39,O40,O41,O42,O43,O44,O45,O46,O47,O48,O49,O50,O51,O52,O53,O54,O55,O56,O57,O58,O59,O60,O61,O62,O63,O64,O65,O66,O67,O68,O69,O80,O81,O82,O83,O84,O85,O86,O87,O88,O89, O2,O90,O91,O92,NTFS,O36, O4
Logged in as Administrator

---\\ Variables d'environnement
~ System Unit : C:\
~ %AppData% : C:\Documents and Settings\Propriétaire\Application Data\
~ %Desktop% : C:\Documents and Settings\Propriétaire\Bureau\
~ %Favorites% : C:\Documents and Settings\Propriétaire\Favoris\
~ %LocalAppData% : C:\Documents and Settings\Propriétaire\Local Settings\Application Data\
~ %StartMenu% : C:\Documents and Settings\Propriétaire\Menu Démarrer\
~ %Windir% : C:\WINDOWS\
~ %System% : C:\WINDOWS\system32\

---\\ Enumération des unités disques
C:\ Hard drive, Flash drive, Thumb drive (Free 42 Go of 68 Go)
D:\ Hard drive, Flash drive, Thumb drive (Free 378 Go of 397 Go)
E:\ CD-ROM drive (Not Inserted)
F:\ CD-ROM drive (Not Inserted)
H:\ CD-ROM drive (Not Inserted)



---\\ Etat du Centre de Sécurité Windows
~ Security Center: 26 Legitimates Filtered in 00mn 00s



---\\ Recherche particulière de fichiers génériques
[MD5.F2317622D29F9FF0F88AEECD5F60F0DD] - (.Microsoft Corporation - Explorateur Windows.) (.14/04/2008 - 13:00:00.) -- C:\WINDOWS\Explorer.exe [1037824]
[MD5.E1948293F7CBC38987270432935D8D05] - (.Microsoft Corporation - Internet Extensions for Win32.) (.26/07/2013 - 03:47:15.) -- C:\WINDOWS\system32\wininet.dll [920064]
[MD5.DD73D6B9F6B4CB630CF35B438B540174] - (.Microsoft Corporation - Application d'ouverture de session Windows NT.) (.14/04/2008 - 13:00:00.) -- C:\WINDOWS\system32\Winlogon.exe [512000]
[MD5.1E44BC1E83D8FD2305F8D452DB109CF9] - (.Microsoft Corporation - Ancillary Function Driver for WinSock.) (.17/08/2011 - 14:49:54.) -- C:\WINDOWS\system32\Drivers\AFD.sys [138496]
[MD5.9F3A2F5AA6875C72BF062C712CFA2674] - (.Microsoft Corporation - IDE/ATAPI Port Driver.) (.14/04/2008 - 13:00:00.) -- C:\WINDOWS\system32\Drivers\atapi.sys [96512]
[MD5.C885B02847F5D2FD45A24E219ED93B32] - (.Microsoft Corporation - CD-ROM File System Driver.) (.14/04/2008 - 13:00:00.) -- C:\WINDOWS\system32\Drivers\Cdfs.sys [63744]
[MD5.1F4260CC5B42272D71F79E570A27A4FE] - (.Microsoft Corporation - SCSI CD-ROM Driver.) (.14/04/2008 - 13:00:00.) -- C:\WINDOWS\system32\Drivers\Cdrom.sys [62976]
[MD5.31F923EB2170FC172C81ABDA0045D18C] - (.Microsoft Corporation - Pilote de cryptographie FIPS.) (.14/04/2008 - 13:00:00.) -- C:\WINDOWS\system32\Drivers\Fips.sys [44672]
[MD5.573C7D0A32852B48F3058CFD8026F511] - (.Windows (R) Server 2003 DDK provider - High Definition Audio Bus Driver v1.0a.) (.14/04/2008 - 13:00:00.) -- C:\WINDOWS\system32\Drivers\HDAudBus.sys [144384]
[MD5.A09BDC4ED10E3B2E0EC27BB94AF32516] - (.Microsoft Corporation - Pilote de port i8042.) (.14/04/2008 - 13:00:00.) -- C:\WINDOWS\system32\Drivers\i8042prt.sys [54144]
[MD5.083A052659F5310DD8B6A6CB05EDCF8E] - (.Microsoft Corporation - IMAPI Kernel Driver.) (.14/04/2008 - 13:00:00.) -- C:\WINDOWS\system32\Drivers\Imapi.sys [42112]
[MD5.CC748EA12C6EFFDE940EE98098BF96BB] - (.Microsoft Corporation - IP Network Address Translator.) (.14/04/2008 - 13:00:00.) -- C:\WINDOWS\system32\Drivers\IpNat.sys [152832]
[MD5.23C74D75E36E7158768DD63D92789A91] - (.Microsoft Corporation - IPSec Driver.) (.14/04/2008 - 13:00:00.) -- C:\WINDOWS\system32\Drivers\IPSec.sys [75264]
[MD5.7D304A5EB4344EBEEAB53A2FE3FFB9F0] - (.Microsoft Corporation - Windows NT SMB Minirdr.) (.15/07/2011 - 14:29:31.) -- C:\WINDOWS\system32\Drivers\MRxSmb.sys [456320]
[MD5.74B2B2F5BEA5E9A3DC021D685551BD3D] - (.Microsoft Corporation - MBT Transport driver.) (.14/04/2008 - 13:00:00.) -- C:\WINDOWS\system32\Drivers\netBT.sys [162816]
[MD5.78A08DD6A8D65E697C18E1DB01C5CDCA] - (.Microsoft Corporation - NT File System Driver.) (.14/04/2008 - 13:00:00.) -- C:\WINDOWS\system32\Drivers\ntfs.sys [574976]
[MD5.8FD0BDBEA875D06CCF6C945CA9ABAF75] - (.Microsoft Corporation - Pilote de port parallèle.) (.14/04/2008 - 13:00:00.) -- C:\WINDOWS\system32\Drivers\Parport.sys [80384]
[MD5.11B4A627BC9614B885C4969BFA5FF8A6] - (.Microsoft Corporation - RAS L2TP mini-port/call-manager driver.) (.14/04/2008 - 13:00:00.) -- C:\WINDOWS\system32\Drivers\Rasl2tp.sys [51328]
[MD5.15CABD0F7C00C47C70124907916AF3F1] - (.Microsoft Corporation - Microsoft RDP Device redirector.) (.13/04/2008 - 10:32:52.) -- C:\WINDOWS\system32\Drivers\rdpdr.sys [196224]
[MD5.D8EB2A7904DB6C916EB5361878DDCBAE] - (.Microsoft Corporation - Pilote de filtre audio Livre rouge.) (.13/04/2008 - 19:57:36.) -- C:\WINDOWS\system32\Drivers\redbook.sys [58752]
[MD5.46DE1126684369BACE4849E4FC8C43CA] - (.Microsoft Corporation - Pilote de cliché instantané du volume.) (.14/04/2008 - 13:00:00.) -- C:\WINDOWS\system32\Drivers\volsnap.sys [53376]
~ Generic Processes: Scanned in 00mn 00s



---\\ Etat des fichiers cachés (Caché/Total)
~ Mes images (My Pictures) : 1/2
~ Mes musiques (My Musics) : 1/2
~ Mes Videos (My Videos) : 0/0
~ Mes Favoris (My Favorites) : 1/10
~ Mes Documents (My Documents) : 1/47
~ Mon Bureau (My Desktop) : 0/441
~ Menu demarrer (Programs) : 1/25
~ Hidden Files: Scanned in 00mn 00s



---\\ Processus lancés
[MD5.76C7617847CCE2E948701365BEB45CE2] - (.Woodtale Technology Inc - eBPSvc.) -- C:\Documents and Settings\Propriétaire\Local Settings\Application Data\DProtect\DProtectSvc.exe [342592] [PID.884] =>Trojan.Staser
[MD5.37F77AEBFF23A99D1BFB4F34CD2D07F2] - (.Microsoft Corporation - Antimalware Service Executable.) -- C:\Program Files\Microsoft Security Client\MsMpEng.exe [22208] [PID.1040]
[MD5.9ECF00E19736054E019C532AED8228FC] - (.Oracle Corporation - Java Quick Starter Service.) -- C:\Program Files\Java\jre7\bin\jqs.exe [182184] [PID.1648]
[MD5.B88A592C93319B477A36FC9D4D2B1FB2] - (.CybelSoft - Service de détection matériel.) -- C:\Program Files\ma-config.com\MaConfigAgent.exe [755536] [PID.1700]
[MD5.FC387225841FF92463C5F65054998E0B] - (.The Software Group - Software Update.) -- C:\Program Files\Software\Update\SoftwareUpdate.exe [119408] [PID.1980] =>Adware.Boxore
[MD5.A2C4DC335656FB7A5A3AC076282534CB] - (.Pas de propriétaire - Wifi Service.) -- C:\Program Files\NETGEAR\WNDA3100v2\WifiSvc.exe [272864] [PID.2008]
[MD5.B4D56CBFB7E3A1D380561D4CA3E3DC12] - (.Realtek Semiconductor Corp. - Realtek HD Audio Control Panel.) -- C:\WINDOWS\RTHDCPL.exe [18702336] [PID.2644]
[MD5.D63797E8E7781EE1500A810CB6194FA6] - (.Oracle Corporation - Java(TM) Update Scheduler.) -- C:\Program Files\Fichiers communs\Java\Java Update\jusched.exe [253816] [PID.2672]
[MD5.7AC7874C522831A480F5B2A71277B37B] - (.Pas de propriétaire - Netgear.) -- C:\Program Files\NETGEAR\WNDA3100v2\WNDA3100v2.exe [4559840] [PID.2740]
[MD5.B60DDDD2D63CE41CB8C487FCFBB6419E] - (.Microsoft Corporation - Internet Explorer.) -- C:\Program Files\Internet Explorer\iexplore.exe [638816] [PID.9580]
[MD5.28E623E4595B41896BAAE560CABDBF2A] - (.Nicolas Coolman - ZHPDiag.) -- C:\Program Files\ZHPDiag\ZHPDiag.exe [7935488] [PID.12016]
[MD5.3C4D7533121337F5691F56E0E3AF4D35] - (.NVIDIA Corporation - NVIDIA Settings Update Manager.) -- C:\Program Files\NVIDIA Corporation\NVIDIA Update Core\daemonu.exe [1259448] [PID.1780]
[MD5.5E9A6658A2A69AE7EB195113B7A2E7A9] - (.Microsoft Corporation - Application Layer Gateway Service.) -- C:\WINDOWS\System32\alg.exe [44544] [PID.1752]
~ Processes Running: Scanned in 00mn 00s



---\\ Google Chrome, Démarrage,Recherche,Extensions (G0,G1,G2)
C:\Documents and Settings\Propriétaire\Local Settings\Application Data\Google\Chrome\User Data\Default\Preferences
G2 - GCE: Preference [User Data\Default] [ofnnlhbgdcabppjmlijllkhekcglbjlg] \x4c\x79\x72\x69\x63\x73\x2d\x4d\x6f\x6e\x6b\x65\x79 v.1.133 (Activé)
~ Google Browser: 12 Legitimates Filtered in 00mn 04s



---\\ Mozilla Firefox, Plugins,Demarrage,Recherche,Extensions (P2,M0,M1,M2,M3)
C:\Documents and Settings\Propriétaire\Application Data\Mozilla\Firefox\Profiles\7gfcpg0t.default\prefs.js
M0 - MFSP: prefs.js [Propriétaire - 7gfcpg0t.default] http://www.qvo6.com =>Hijacker.Qvo6
M2 - MFEP: prefs.js [Propriétaire - 7gfcpg0t.default\94ae0976-89df-4347-9771-5371c6e203bf@3796dc63-d06d-4575-a997-9b5c935fe915(2).com] [] Pricora v (..) =>Adware.Pricora
M2 - MFEP: prefs.js [Propriétaire - 7gfcpg0t.default\uuy0_ccdm@cd-yiay.com] [] saavyeinsshhare v5.10 (..) =>Adware.SaveShare
~ Firefox Browser: 8 Legitimates Filtered in 00mn 01s



---\\ Internet Explorer, Démarrage,Recherche,URLSearchHook, Phishing (R0,R1,R3,R4)
R0 - HKCU\SOFTWARE\Microsoft\Internet Explorer\Main,Start Page = http://www.qvo6.com =>Hijacker.Qvo6
R0 - HKLM\SOFTWARE\Microsoft\Internet Explorer\Main,Start Page = http://www.qvo6.com =>Hijacker.Qvo6
R1 - HKCU\SOFTWARE\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.qvo6.com =>Hijacker.Qvo6
R1 - HKLM\SOFTWARE\Microsoft\Internet Explorer\Search,SearchAssistant = http://search.qvo6.com =>Hijacker.Qvo6
R1 - HKLM\SOFTWARE\Microsoft\Internet Explorer\Search,CustomizeSearch = http://search.qvo6.com =>Hijacker.Qvo6
~ IE Browser: 11 Legitimates Filtered in 00mn 00s



---\\ Internet Explorer, Proxy Management (R5)
R5 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyServer = no key
R5 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyEnable = 0
R5 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,MigrateProxy = 1
R5 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,EnableHttp1_1 = 1
R5 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,AutoConfigProxy = wininet.dll
~ Proxy management: Scanned in 00mn 00s



---\\ Analyse des lignes F0, F1, F2, F3 - IniFiles, Autoloading programs
F2 - REG:system.ini: USERINIT=C:\WINDOWS\system32\userinit.exe,
F2 - REG:system.ini: Shell=C:\WINDOWS\explorer.exe
F2 - REG:system.ini: VMApplet=rundll32 shell32,Control_RunDLL "sysdm.cpl"
~ Keys: Scanned in 00mn 00s



---\\ Applications lancées au démarrage du sytème (O4)
O4 - HKLM\..\Run: [RTHDCPL] . (.Realtek Semiconductor Corp. - Realtek HD Audio Control Panel.) -- C:\WINDOWS\RTHDCPL.exe
O4 - HKLM\..\Run: [MSC] . (.Microsoft Corporation - Microsoft Security Client User Interface.) -- C:\Program Files\Microsoft Security Client\msseces.exe
O4 - HKLM\..\Run: [Adobe ARM] . (.Adobe Systems Incorporated - Adobe Reader and Acrobat Manager.) -- C:\Program Files\Fichiers communs\Adobe\ARM\1.0\AdobeARM.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] . (.Oracle Corporation - Java(TM) Update Scheduler.) -- C:\Program Files\Fichiers communs\Java\Java Update\jusched.exe
O4 - HKCU\..\Run: [DAEMON Tools Lite] . (.DT Soft Ltd - DAEMON Tools Lite.) -- C:\Program Files\DAEMON Tools Lite\DTLite.exe
O4 - HKCU\..\Run: [ctfmon.exe] . (.Microsoft Corporation - CTF Loader.) -- C:\WINDOWS\system32\ctfmon.exe
O4 - HKUS\S-1-5-18\..\Run: [DWQueuedReporting] . (.Microsoft Corporation - Watson Subscriber for SENS Network Notifica.) -- C:\Program Files\Fichiers communs\Microsoft Shared\DW\DWTRIG20.exe
~ Application: Scanned in 00mn 00s



---\\ Boutons situés sur la barre d'outils principale d'Internet Explorer (O9)
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} . (...) -- C:\Program Files\Microsoft Office\Office12\REFBARH.ICO
O9 - Extra button: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} -- Clé orpheline
O9 - Extra button: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} . (.Microsoft Corporation - Windows Messenger.) -- C:\Program Files\Messenger\msmsgs.exe
~ IE Extra Buttons: Scanned in 00mn 00s



---\\ Modification Domaine/Adresses DNS (O17)
O17 - HKLM\System\CCS\Services\Tcpip\..\{5985F3DA-54B8-4D7F-A4FB-BD5746048090}: DhcpNameServer = 192.168.1.1 192.168.1.1
O17 - HKLM\System\CCS\Services\Tcpip\..\{8F79391D-856E-4EAE-BCBC-1D16AFE73E6A}: DhcpNameServer = 192.168.1.1 192.168.1.1
O17 - HKLM\System\CS1\Services\Tcpip\..\{5985F3DA-54B8-4D7F-A4FB-BD5746048090}: DhcpNameServer = 192.168.1.1 192.168.1.1
O17 - HKLM\System\CS1\Services\Tcpip\..\{8F79391D-856E-4EAE-BCBC-1D16AFE73E6A}: DhcpNameServer = 192.168.1.1 192.168.1.1
O17 - HKLM\System\CS2\Services\Tcpip\..\{5985F3DA-54B8-4D7F-A4FB-BD5746048090}: DhcpNameServer = 192.168.1.1 192.168.1.1
O17 - HKLM\System\CS2\Services\Tcpip\..\{8F79391D-856E-4EAE-BCBC-1D16AFE73E6A}: DhcpNameServer = 192.168.1.1 192.168.1.1
O17 - HKLM\System\CCS\Services\Tcpip\Parameters: DhcpNameServer = 192.168.1.1 192.168.1.1
~ Domain: Scanned in 00mn 00s



---\\ Titr_HJT34=Protocole additionnel (O18)
O18 - Handler: wia - {13F3EA8B-91D7-4F0A-AD76-D2853AC8BECE} . (.Microsoft Corporation - WIA Scripting Layer.) -- C:\WINDOWS\system32\wiascr.dll
O18 - Filter: text/xml - {807563E5-5146-11D5-A672-00B0D022E945} . (.Microsoft Corporation - Microsoft Office XML MIME Filter.) -- C:\Program Files\Fichiers communs\Microsoft Shared\OFFICE12\MSOXMLMF.dll
~ Protocole Additionnel: Scanned in 00mn 00s



---\\ Valeur de Registre AppInit_DLLs et sous-clés Winlogon Notify (autorun) (O20)
O20 - Winlogon Notify: crypt32chain . (.Microsoft Corporation - Crypto API32.) -- C:\WINDOWS\system32\crypt32.dll
O20 - Winlogon Notify: cryptnet . (.Microsoft Corporation - Crypto Network Related API.) -- C:\WINDOWS\system32\cryptnet.dll
O20 - Winlogon Notify: cscdll . (.Microsoft Corporation - Agent réseau hors connexion.) -- C:\WINDOWS\system32\cscdll.dll
O20 - Winlogon Notify: dimsntfy . (.Microsoft Corporation - DIMS Notification Handler.) -- C:\WINDOWS\system32\dimsntfy.dll
O20 - Winlogon Notify: ScCertProp . (.Microsoft Corporation - DLL commune de réception des notifications.) -- C:\WINDOWS\system32\wlnotify.dll
O20 - Winlogon Notify: Schedule . (.Microsoft Corporation - DLL commune de réception des notifications.) -- C:\WINDOWS\system32\wlnotify.dll
O20 - Winlogon Notify: sclgntfy . (.Microsoft Corporation - DLL secondaire de notification de service d.) -- C:\WINDOWS\system32\sclgntfy.dll
O20 - Winlogon Notify: SensLogn . (.Microsoft Corporation - DLL commune de réception des notifications.) -- C:\WINDOWS\system32\WlNotify.dll
O20 - Winlogon Notify: termsrv . (.Microsoft Corporation - DLL commune de réception des notifications.) -- C:\WINDOWS\system32\wlnotify.dll
O20 - Winlogon Notify: wlballoon . (.Microsoft Corporation - DLL commune de réception des notifications.) -- C:\WINDOWS\system32\wlnotify.dll
~ Winlogon: Scanned in 00mn 00s



---\\ Valeur de Registre AppInit_DLLs et sous-clés Winlogon Notify (autorun) (O20)
O20 - AppInit_DLLs: . (...) - C:\DOCUME~1\PROPRI~1\LOCALS~1\APPLIC~1\DProtect\eBP.dll =>Trojan.Staser
~ AppInit DLL: Scanned in 00mn 00s



---\\ Liste des services NT non Microsoft et non désactivés (O23)
O23 - Service: NVIDIA Update Service Daemon (nvUpdatusService) . (.NVIDIA Corporation - NVIDIA Settings Update Manager.) - C:\Program Files\NVIDIA Corporation\NVIDIA Update Core\daemonu.exe
O23 - Service: Service Software Update (Software_update (Software_update) . (.The Software Group - Software Update.) - C:\Program Files\Software\Update\SoftwareUpdate.exe =>Adware.Boxore
O23 - Service: WSWNDA3100 (WSWNDA3100) . (.Pas de propriétaire - Wifi Service.) - C:\Program Files\NETGEAR\WNDA3100v2\WifiSvc.exe
~ Services: 6 Legitimates Filtered in 00mn 05s



---\\ Enumération Active Desktop & MHTML Editor (O24)
O24 - Desktop General: BackupWallPaper - .(...) - C:\WINDOWS\web\wallpaper\Colline verdoyante.bmp
O24 - Desktop General: WallPaper - .(...) - C:\WINDOWS\web\wallpaper\Colline verdoyante.bmp
~ Desktop Component: 4 Legitimates Filtered in 00mn 00s



---\\ Récapitulatif des détections trouvées sur votre station
~ http://nicolascoolman.webs.com/apps/blog/show/32771797-trojan-staser =>Trojan.Staser
~ http://nicolascoolman.webs.com/apps/blog/show/26626977-adware-boxore =>Adware.Boxore
~ http://nicolascoolman.webs.com/apps/blog/show/26631242-hijacker-qvo6 =>Hijacker.Qvo6
~ http://nicolascoolman.webs.com/apps/blog/show/29294184-adware-pricora =>Adware.Pricora
~ http://nicolascoolman.webs.com/apps/blog/show/31929570-adware-saveshare =>Adware.SaveShare
~ MSI: 5 link(s) detected in 00mn 00s



~ 63 Legitimates filtered by white list
End of the scan (257 lines in 00mn 13s)(0)




1 réponse

bonjour un nettoyage avec adwcleaner https://www.commentcamarche.net/telecharger/securite/2759-adwcleaner/

scanner puis nettoyer et enfin redémarrage du pc
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