Win32.HLLW.Autoruner2.11972
Added to the Dr.Web virus database:
2014-04-12
Virus description added:
2014-09-22
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'WindowsDll' = '<SYSTEM32>\dll_starter.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'WindowsDlls' = '%WINDIR%Dlls\dll_starter.exe'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\dll_starter.exe
Creates the following files on removable media:
- <Drive name for removable media>:\Autorun.inf
- <Drive name for removable media>:\usb_settings.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DisableNotifications' = '00000001'
Creates and executes the following:
Modifies file system :
Creates the following files:
- %WINDIR%Dlls\dll_starter.exe
- <SYSTEM32>\dll_starter.exe
- %TEMP%\aut1.tmp
- %TEMP%\dll_starter.exe
Deletes the following files:
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
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