Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{ABF85521-720F-32B5-AF35-07BAA2E623DB}] 'StubPath' = '"%TEMP%\ferdig.exe"'
- [<HKCU>\Software\Microsoft\Active Setup\Installed Components\{ABF85521-720F-32B5-AF35-07BAA2E623DB}] 'StubPath' = '"%TEMP%\ferdig.exe"'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'update' = '"%TEMP%\ferdig.exe"'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'update' = '"%TEMP%\ferdig.exe"'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\<Virus name>.exe
- %HOMEPATH%\Start Menu\Programs\Startup\GgSWVh.exe
Creates the following files on removable media:
- <Drive name for removable media>:\windowsupdate.exe
- <Drive name for removable media>:\Autorun.ini
- <Drive name for removable media>:\GgSWVh.exe
- <Drive name for removable media>:\autorun.inf
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '"%TEMP%\ferdig.exe"' = '"%TEMP%\ferdig.exe:*:Enabled:Windows" Messanger'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\windowsupdate.exe' = '%APPDATA%\windowsupdate.exe:*:Enabled:Windows Messanger'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
Creates and executes the following:
- %APPDATA%\windowsupdate.exe
Executes the following:
- <SYSTEM32>\reg.exe ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%APPDATA%\windowsupdate.exe" /t REG_SZ /d "%APPDATA%\windowsupdate.exe:*:Enabled:Windows Messanger" /f
- <SYSTEM32>\reg.exe ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v ""%TEMP%\ferdig.exe"" /t REG_SZ /d ""%TEMP%\ferdig.exe":*:Enabled:Windows Messanger" /f
- <SYSTEM32>\reg.exe ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\csc.exe /noconfig /fullpaths @"%TEMP%\u93wswq0.cmdline"
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:"%TEMP%\RES2.tmp"" "%TEMP%\CSC1.tmp"
Modifies file system :
Creates the following files:
- %TEMP%\u93wswq0.dll
- %TEMP%\RES2.tmp
- %TEMP%\data.dat
- %TEMP%\ferdig.exe
- %TEMP%\CSC1.tmp
- %TEMP%\u93wswq0.0.cs
- %APPDATA%\windowsupdate.exe
- %TEMP%\u93wswq0.out
- %TEMP%\u93wswq0.cmdline
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\windowsupdate.exe
- <Drive name for removable media>:\Autorun.ini
- %TEMP%\ferdig.exe
- %APPDATA%\windowsupdate.exe
- <Drive name for removable media>:\GgSWVh.exe
Deletes the following files:
- %TEMP%\u93wswq0.0.cs
- %TEMP%\u93wswq0.out
- %TEMP%\u93wswq0.dll
- %TEMP%\RES2.tmp
- %TEMP%\CSC1.tmp
- %TEMP%\u93wswq0.cmdline
Network activity:
Connects to:
- 'ra####.no-ip.org':3333
UDP:
- DNS ASK ra####.no-ip.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
