Win32.HLLW.Autoruner1.23853
Added to the Dr.Web virus database:
2012-07-26
Virus description added:
2012-08-15
Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\services.exe
Creates the following files on removable media:
- <Drive name for removable media>:\Autorun.inf
- <Drive name for removable media>:\svchost.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%HOMEPATH%\Start Menu\Programs\Startup\services.exe' = '%HOMEPATH%\Start Menu\Programs\Startup\services.exe:*:Enabled:Task Manager'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
Creates and executes the following:
- %HOMEPATH%\Start Menu\Programs\Startup\services.exe
Executes the following:
- <SYSTEM32>\reg.exe ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
- <SYSTEM32>\reg.exe ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%HOMEPATH%\Start Menu\Programs\Startup\services.exe" /t REG_SZ /d "%HOMEPATH%\Start Menu\Programs\Startup\services.exe:*:Enabled:Task Manager" /f
Modifies file system :
Creates the following files:
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\svchost.exe
- <Drive name for removable media>:\Autorun.inf
Deletes the following files:
Miscellaneous:
Searches for the following windows:
- ClassName: '' WindowName: ''
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