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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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