Win32.HLLW.Autoruner.54030

Added to the Dr.Web virus database: 2011-07-11

Virus description added: 2011-07-11

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'winlogon.exe' = '"%APPDATA%\winlogon.exe"'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'winlogon.exe' = '"%APPDATA%\winlogon.exe"'

Creates the following files on removable media:

<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\{%USERNAME%-mnagdsf54687643dxchFGHDFgh}\winlogon.exe

Malicious functions:

Injects code into

the following system processes:

Modifies file system :

Sets the 'hidden' attribute to the following files:

<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\{%USERNAME%-mnagdsf54687643dxchFGHDFgh}\winlogon.exe

Moves itself:

Network activity:

Connects to:

UDP:

Miscellaneous:

Searches for the following windows: