Win32.HLLW.Autoruner.57309

Added to the Dr.Web virus database: 2011-08-30

Virus description added: 2011-08-30

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'NVIDIA Media Center Library' = '%WINDIR%\winlogon.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'NVIDIA Media Center Library' = '%WINDIR%\winlogon.exe'

Creates the following files on removable media:

<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\DrivesGuideInfo.lnk
<Drive name for removable media>:\DrivesGuideInfo\autorun.exe
<Drive name for removable media>:\DrivesGuideInfo\S-1-7-21-1439977401-7444491467-600013330-9141\Desktop.ini
<Drive name for removable media>:\DrivesGuideInfo\S-1-7-21-1439977401-7444491467-600013330-9141\autorun.exe

Malicious functions:

Creates and executes the following:

Modifies file system :

Creates the following files:

%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\VERSION[1].TXT
%WINDIR%\version.txt
%WINDIR%\winhelp32.exe
%WINDIR%\winlogon.exe
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\DATA[1]

Sets the 'hidden' attribute to the following files:

<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\DrivesGuideInfo\S-1-7-21-1439977401-7444491467-600013330-9141\Desktop.ini

Network activity:

Connects to:

TCP:

HTTP GET requests:

UDP:

Miscellaneous:

Searches for the following windows: