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Nom:TR/Dldr.Geral.vng
La date de la dcouverte:16/02/2011
Type:Cheval de Troie
Sous type:Downloader
En circulation:Oui
Infections signales Faible a moyen
Potentiel de distribution:Faible
Potentiel de destruction:Faible a moyen
Fichier statique:Oui
Taille du fichier:39.839 Octets
Somme de contrle MD5:9b0c12025217508a1436683efa4faab5
Version VDF:7.10.08.215
Version IVDF:7.11.03.121 - mercredi 16 février 2011

 Gnral Les alias:
   •  Kaspersky: Trojan-Downloader.Win32.Geral.vng
   •  Sophos: Troj/Mdrop-DGX
   •  Bitdefender: Trojan.Agent.AQSO
   •  Panda: W32/Spamta.gen.worm
     GData: Trojan.Agent.AQSO


Plateformes / Systmes d'exploitation:
   • Windows 2000
   • Windows XP
   • Windows 2003


Effets secondaires:
   • Il cre des fichiers malveillants
   • Il modifie des registres

 Fichiers Il s'autocopie dans l'emplacement suivant:
   • %SYSDIR%\kav.exe



Il supprime sa propre copie, excute initialement



Il supprime les fichiers suivants:
   • %PROGRAM FILES%\ATI\amdk8.sys
   • %SYSDIR%\ccte1sto.dat
   • %PROGRAM FILES%\ATI\amdk8.dll
   • %TEMPDIR%\DogKiller.sys
   • %TEMPDIR%\360data.tmp
   • %PROGRAM FILES%\ATI\amdk8.inf



Les fichiers suivants sont crs:

%WINDIR%\INF\oem14.inf Ceci est un fichier texte non malveillant avec le contenu suivant:
   • %code faisant fonctionner les logiciels malveillants%

%PROGRAM FILES%\ATI\amdk8.inf Ceci est un fichier texte non malveillant avec le contenu suivant:
   • %code faisant fonctionner les logiciels malveillants%

%PROGRAM FILES%\ATI\amdk8.sys Les investigations ultrieures ont prouv que ce ficher est galement un Malware. Dtect comme: Rkit/Agent.bhyh

%SYSDIR%\ccte1sto.dat Les investigations ultrieures ont prouv que ce ficher est galement un Malware. Dtect comme: TR/Spy.16896.75

%SYSDIR%\DRIVERS\amdk8.sys Les investigations ultrieures ont prouv que ce ficher est galement un Malware. Dtect comme: Rkit/Agent.bhyh

%WINDIR%\INF\oem14.PNF
%TEMPDIR%\DogKiller.sys Les investigations ultrieures ont prouv que ce ficher est galement un Malware. Dtect comme: TR/Expl.Agent.ed

%TEMPDIR%\updata.exe Les investigations ultrieures ont prouv que ce ficher est galement un Malware. Dtect comme: TR/Dldr.Geral.uni

%TEMPDIR%\360data.tmp
%PROGRAM FILES%\ATI\amdk8.dll Les investigations ultrieures ont prouv que ce ficher est galement un Malware. Dtect comme: TR/Killav.gox

%TEMPDIR%\ope7.tmp



Il essaie dexcuter les fichiers suivants :

Nom de fichier: Noms des fichiers:
   • "%SYSDIR%\sc.exe" config PolicyAgent start= auto


Nom de fichier: Noms des fichiers:
   • "%SYSDIR%\sc.exe" stop PolicyAgent


Nom de fichier: Noms des fichiers:
   • "%SYSDIR%\sc.exe" start PolicyAgent


Nom de fichier: Noms des fichiers:
   • runonce -r


Nom de fichier: Noms des fichiers:
   • %TEMPDIR%\updata.exe

 Registre La cl de registre suivante est ajoute afin de lancer le processus aprs le redmarrage:

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
   • "kav"="%SYSDIR%\kav.exe"



Les cls de registre suivantes sont ajoute:

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\360safe.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\safeboxTray.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\kmailmon.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\ccapp.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\QQDoctor.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\kxesapp.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\mcshield.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\mcupdmgr.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\DrvAnti.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\ccSvcHst.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\bdagent.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\kxedefend.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\alg.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\360delays.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\mcnasvc.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\MPSVC.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\ScanFrm.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\kxetray.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\mcsysmon.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\avp.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\FrameworkService.exe]
   • "Debugger"="rundll32.exe"

[HKLM\System\CurrentControlSet\Control\Class\
   {82521385-84B9-4AB3-9BC1-B9BD2DD3021A}]
   • "@"="Class for amdk8 devices"
   • "Class"="amdk8"
   • "Icon"="-18"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\RsAgent.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\kxeserv.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\XsClient.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\KPfwSvc.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\antiarp.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\QQDoctorRtp.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\rssafety.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\ekrn.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\rtvscan.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\xcommsvr.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\mcagent.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\egui.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\engineserver.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\MPSVC1.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\360rp.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\KISSvc.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\DrUpdate.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\360SoftMgrSvc.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\KABackReport.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\qutmserv.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\360realpro.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\AgentSvr.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\udaterui.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\RavMon.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\mcshell.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\rfwsrv.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\360Safebox.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\KWatch.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\nbmanti.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\MPSVC2.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\MpfSrv.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\MPMon.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\kwstray.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\defwatch.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\RegGuide.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\upsvc.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\KSafeTray.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\rsnetsvr.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\mcmscsvc.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\360tray.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\RsTray.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\kaccore.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\vsserv.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\QQDrNetMon.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\KSafeSvc.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\vstskmgr.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\zhudongfangyu.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\CCenter.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\KSWebShield.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\KPFW32.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\RavStub.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\naPrdMgr.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\McProxy.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\SHSTAT.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\McTray.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\mfeann.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\KavStart.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SYSTEM\CurrentControlSet\Control\Class\
   {82521385-84B9-4AB3-9BC1-B9BD2DD3021A}\0000]
   • "DriverDate"="6-23-2010"
   • "DriverDateData"=hex:00,C0,E4,05,67,12,CB,01
   • "DriverDesc"="amdk8 Device"
   • "DriverVersion"="1.0.0.0"
   • "InfPath"="oem14.inf"
   • "InfSection"="amdk8_DDI"
   • "InfSectionExt"=".NT"
   • "MatchingDeviceId"="*amdk8device"
   • "ProviderName"="Microsoft"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\RavTask.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\360sd.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\KVSrvXP.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\vptray.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\mfevtps.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\ccEvtMgr.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\mcinsupd.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\LiveUpdate360.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\ccSetMgr.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\DSMain.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\kxescore.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\kppserv.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\KPPTray.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\RavMonD.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\livesrv.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\Uplive.exe]
   • "Debugger"="rundll32.exe"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\
   Image File Execution Options\Rav.exe]
   • "Debugger"="rundll32.exe"



La cl de registre suivante est change:

[HKLM\SYSTEM\CurrentControlSet\Control\GroupOrderList]
   La nouvelle valeur:
   • "Extended Base"=hex:0B,00,00,00,01,00,00,00,02,00,00,00,04,00,00,00,03,00,00,00,05,00,00,00,06,00,00,00,07,00,00,00,08,00,00,00,09,00,00,00,0A,00,00,00,0B,00,00,00

 L'injection du code viral dans d'autres processus Il s'injecte comme un nouveau fil d'excution distance dans un processus.

    Nom du processus :
   • sc.exe


 Informations divers Accde des ressources Internet:
   • http://124.232.147.3:84/**********


Mutex:
Il cre le Mutex suivant:
   • ACDTEST......

 Dtails de fichier Langage de programmation:
Le fichier a t crit en MS Visual C++.


Logiciel de compression des fichiers excutables:
Afin d'entraver la dtection et de rduire la taille du fichier il est compress avec un logiciel de compression des excutables.

Description insérée par Petre Galan le vendredi 15 avril 2011
Description mise à jour par Petre Galan le vendredi 15 avril 2011

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