Win32.HLLW.Autoruner1.26351

Added to the Dr.Web virus database: 2012-09-19

Virus description added: 2012-10-10

To ensure autorun and distribution:

Creates the following files on removable media:

Malicious functions:

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

[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DisableNotifications' = '00000001'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<Full path to virus>' = '<Full path to virus>:*:Enabled:ipsec'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '00000000'

To complicate detection of its presence in the operating system,

forces the system hide from view:

blocks execution of the following system utilities:

blocks the following features:

Injects code into

the following system processes:

a large number of user processes.

Modifies file system :

Creates the following files:

%TEMP%\vsus.exe
<Current directory>\index
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\bs[1].php

Sets the 'hidden' attribute to the following files:

Deletes the following files:

Network activity:

Connects to:

TCP:

HTTP GET requests:

UDP: