Analysé par: Jaime Benigno Reyes   
 

a variant of Win32/Kryptik.AWCU trojan (Nod32)

 Plate-forme:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

 Overall Risk:
 Dommages potentiels: :
 Distribution potentielle: :
 reportedInfection:
Faible
Medium
Élevé
Critique

  • Type de grayware:
    Trojan

  • Destructif:
    Non

  • Chiffrement:
     

  • In the wild::
    Oui

  Overview


  Détails techniques

File size: 302,080 bytes
File type: EXE
Memory resident: Non
Date de réception des premiers échantillons: 07 mars 2013

Installation

Schleust die folgenden Eigenkopien in das betroffene System ein:

  • %All Users Application Data%\mgqWPISksNJc.exe
  • %ProgramData%\mgqWPISksNJc.exe (Windows Vista and 7 only)

Autostart-Technik

Fügt folgende Registrierungseinträge hinzu, um bei jedem Systemstart automatisch ausgeführt zu werden.

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
mgqWPISksNJc.exe = "%All Users Application Data%\mgqWPISksNJc.exe"

Andere Systemänderungen

Fügt die folgenden Registrierungsschlüssel hinzu:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Policies\
Associations

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Policies\
Attachments

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Policies\
System

Fügt die folgenden Registrierungseinträge hinzu:

HKEY_CURRENT_USER\Software
nsreg = "{hex value}"

HKEY_CURRENT_USER\Software
rdc = "1"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Policies\
Associations
LowRiskFileTypes = ".zip;.rar;.nfo;.txt;.exe;.bat;.com;.cmd;.reg;.msi;.htm;.html;.gif;.bmp;.jpg;.avi;.mpg;.mpeg;.mov;.mp3;.m3u;.wav;.scr;"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Policies\
Attachments
SaveZoneInformation = "1"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Policies\
System
DisableTaskMgr = "1"

HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Policies\
System
DisableTaskMgr = "1"

Ändert die folgenden Registrierungseinträge:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Explorer\
Advanced
Hidden = "0"

(Note: The default value data of the said registry entry is "2".)

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Explorer\
Advanced
ShowSuperHidden = "0"

(Note: The default value data of the said registry entry is "1".)

HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Download
CheckExeSignatures = "no"

(Note: The default value data of the said registry entry is "yes".)