Win32.HLLW.Autoruner.51940

Added to the Dr.Web virus database: 2011-06-17

Virus description added: 2011-06-17

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Terminal Server\Install\Software\Microsoft\Windows\CurrentVersion\Run] 'Windows Services' = 'BlaBhs.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Windows Services' = 'BlaBhs.exe'

Creates the following files on removable media:

<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\RECYCLER\S-1-6-21-2434476501-1644491937-600003330-1213\usb_driver.com
<Drive name for removable media>:\RECYCLER\S-1-6-21-2434476501-1644491937-600003330-1213\Desktop.ini

Malicious functions:

To bypass firewall, removes or modifies the following registry keys:

[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<Full path to virus>' = '<Full path to virus>:*:Enabled:Windows Services'

Creates and executes the following:

Injects code into

the following system processes:

Modifies file system :

Creates the following files:

Sets the 'hidden' attribute to the following files:

<Drive name for removable media>:\RECYCLER\S-1-6-21-2434476501-1644491937-600003330-1213\usb_driver.com
%WINDIR%\BlaBhs.exe

Network activity:

Connects to:

UDP:

Miscellaneous:

Searches for the following windows: