Technical Information
To ensure autorun and distribution:
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\Services] 'Start' = '00000002'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\RECYCLER\S-1-6-21-2434476501-1644491937-600003330-1213\autorun.exe
- <Drive name for removable media>:\RECYCLER\S-1-6-21-2434476501-1644491937-600003330-1213\Desktop.ini
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%CommonProgramFiles%\System\Services.exe' = '%CommonProgramFiles%\System\Services.exe:*:Enabled:Services'
Creates and executes the following:
- '%CommonProgramFiles%\System\Services.exe'
Terminates or attempts to terminate
a large number of user processes.
Hides the following processes:
- %CommonProgramFiles%\System\Services.exe
Modifies file system :
Creates the following files:
- %CommonProgramFiles%\System\Services.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\RECYCLER\S-1-6-21-2434476501-1644491937-600003330-1213\autorun.exe
- %CommonProgramFiles%\System\Services.exe
Deletes the following files:
- <SYSTEM32>\wbem\Logs\wbemess.lo_