Win32.HLLW.Autoruner2.1967

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'a3f408b7ece5a85f9bb9291662d51517' = '"%ALLUSERSPROFILE%\r.exe" ..'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'a3f408b7ece5a85f9bb9291662d51517' = '"%ALLUSERSPROFILE%\r.exe" ..'

Malicious functions:

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

[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%ALLUSERSPROFILE%\r.exe' = '%ALLUSERSPROFILE%\r.exe:*:Enabled:r.exe'

Creates and executes the following:

Executes the following:

'<SYSTEM32>\netsh.exe' firewall add allowedprogram "%ALLUSERSPROFILE%\r.exe" "r.exe" ENABLE

Modifies file system :

Creates the following files:

Deletes the following files:

%WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\enterprisesec.config.cch.2876.181671
%WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\security.config.cch.2876.181656

Moves the following files:

from %APPDATA%\Microsoft\CLR Security Config\v2.0.50727.42\security.config.cch.new to %APPDATA%\Microsoft\CLR Security Config\v2.0.50727.42\security.config.cch
from %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\enterprisesec.config.cch to %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\enterprisesec.config.cch.2876.181671
from %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\security.config.cch to %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\security.config.cch.2876.181656
from %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\security.config.cch.new to %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\security.config.cch
from %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\enterprisesec.config.cch.new to %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\enterprisesec.config.cch

Network activity:

Connects to:

UDP:

Miscellaneous:

Searches for the following windows: