Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'WinDefault' = '%HOMEPATH%\Start Menu\Programs\WinTemplate.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\Autorun.ini
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' = '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe:*:Enabled:Windows Messanger'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
Executes the following:
- <SYSTEM32>\reg.exe ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /t REG_SZ /d "%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe:*:Enabled:Windows Messanger" /f
- <SYSTEM32>\reg.exe ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v ""%TEMP%\"" /t REG_SZ /d ""%TEMP%\":*:Enabled:Windows Messanger" /f
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe
- <SYSTEM32>\reg.exe ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
Terminates or attempts to terminate
the following user processes:
- bdagent.exe
- zlclient.exe
Modifies file system :
Creates the following files:
- %TEMP%\data.dat
- %HOMEPATH%\Start Menu\Programs\WinTemplate.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\Autorun.ini
Moves the following system files:
- from %WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe to %HOMEPATH%\Local Settings\Temp
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
