Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'WinC' = '%TEMP%\a~UaUv^3.exe'
Creates or modifies the following files:
- %ALLUSERSPROFILE%\Start Menu\Programs\Startup .exe
Creates the following files on removable media:
- <Drive name for removable media>:\ESPFOLDER.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%\a~UaUv^3.exe' = '%TEMP%\a~UaUv^3.exe:*:Enabled:Windows Live 2010'
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
- file extensions
Creates and executes the following:
- %TEMP%\a~UaUv^3.exe =p
Modifies file system :
Creates the following files:
- %PROGRAM_FILES%\MSN Gaming Zone .exe
- %PROGRAM_FILES%\MSXML 6.0 .exe
- %PROGRAM_FILES%\MSN .exe
- %PROGRAM_FILES%\Movie Maker .exe
- %PROGRAM_FILES%\MSBuild .exe
- %PROGRAM_FILES%\NetMeeting .exe
- %PROGRAM_FILES%\Uninstall Information .exe
- %PROGRAM_FILES%\Windows Media Player .exe
- %PROGRAM_FILES%\Reference Assemblies .exe
- %PROGRAM_FILES%\Online Services .exe
- %PROGRAM_FILES%\Outlook Express .exe
- %ALLUSERSPROFILE%\Start Menu\Programs\Games .exe
- %CommonProgramFiles% .exe
- %ALLUSERSPROFILE%\Start Menu\Programs\Administrative Tools .exe
- %TEMP%\a~UaUv^3.exe
- %ALLUSERSPROFILE%\Start Menu\Programs\Accessories .exe
- %PROGRAM_FILES%\ComPlus Applications .exe
- %PROGRAM_FILES%\microsoft frontpage .exe
- %PROGRAM_FILES%\Microsoft.NET .exe
- %PROGRAM_FILES%\Messenger .exe
- %PROGRAM_FILES%\FireFox .exe
- %PROGRAM_FILES%\Internet Explorer .exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\ESPFOLDER.exe
- <Drive name for removable media>:\autorun.inf
- %TEMP%\a~UaUv^3.exe
Network activity:
Connects to:
- 'us#####s.multimania.es':80
TCP:
HTTP GET requests:
- us#####s.multimania.es/v77/MYC/CT/sv.php?s=#############################
UDP:
- DNS ASK us#####s.multimania.es
- '<Private IP address>':1033
