Win32.HLLW.Autoruner1.25548

Added to the Dr.Web virus database: 2012-09-05

Virus description added: 2012-09-26

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'mssky' = 'www.dzaier.sitew.com'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'msdll' = '%WINDIR%\ms1dll0.exe'

Creates the following files on removable media:

Malicious functions:

Executes the following:

<SYSTEM32>\reg.exe add "HKCR\Directory\shell\LEOPEN" /ve /d Ouvrir /F
<SYSTEM32>\reg.exe add "HKCR\Directory\shell\LEOPEN\command" /ve /d "%WINDIR%\ms1rep0.exe ""%1""" /F
<SYSTEM32>\reg.exe add "HKEY_CLASSES_ROOT\Directory\shell" /ve /d LEOPEN /F
<SYSTEM32>\reg.exe add "HKCU\Software\Microsoft\Windows\CurrentVersion\policies\Explorer\Run" /v msdll /t reg_sz /d "%WINDIR%\ms1dll0.exe" /f
<SYSTEM32>\reg.exe add "HKCU\Software\Microsoft\Windows\CurrentVersion\policies\Explorer\Run" /v mssky /t reg_sz /d "www.dz####.sitew.com" /f

Modifies file system :

Creates the following files:

Sets the 'hidden' attribute to the following files:

Deletes the following files: