Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '0676ec24f10d85565ff0c853d9995ef7' = '"%TEMP%\Explore.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '0676ec24f10d85565ff0c853d9995ef7' = '"%TEMP%\Explore.exe" ..'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\Explore.exe' = '%TEMP%\Explore.exe:*:Enabled:Explore.exe'
Creates and executes the following:
- '%TEMP%\Explore.exe'
- 'C:\Documents and Settings\Zvex\Bureau\Nouveau dossier (2)\app.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\Explore.exe" "Explore.exe" ENABLE
- '<SYSTEM32>\rundll32.exe' <SYSTEM32>\shimgvw.dll,ImageView_Fullscreen C:\Documents and Settings\Zvex\Bureau\Nouveau dossier (2)\skp2.jpg
Modifies file system :
Creates the following files:
- %TEMP%\Explore.exe
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\security.config.cch.new
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\enterprisesec.config.cch.new
- %HOMEPATH%\Recent\Nouveau dossier (2).lnk
- C:\Documents and Settings\Zvex\Bureau\Nouveau dossier (2)\skp2.jpg
- C:\Documents and Settings\Zvex\Bureau\Nouveau dossier (2)\app.exe
- %HOMEPATH%\Recent\skp2.lnk
Moves the following files:
- from %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\enterprisesec.config.cch.new to %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\enterprisesec.config.cch
- from %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\security.config.cch.new to %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\security.config.cch
Network activity:
Connects to:
- 'zv##.no-ip.biz':1177
UDP:
- DNS ASK zv##.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'ShImgVw:CPreviewWnd' WindowName: '(null)'
- ClassName: 'Indicator' WindowName: '(null)'
- ClassName: 'EDIT' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'