Win32.HLLW.Autoruner2.2725

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'lsass' = '%ALLUSERSPROFILE%\Application Data\lsass.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = '<SYSTEM32>\userinit.exe <SYSTEM32>\1096\winlogon.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = '%WINDIR%\Explorer.exe %WINDIR%\apps\Microsoft\Applications\Ms-office\Ms-Word\Networking\internet\system32\TangoCharle.exe'

Creates or modifies the following files:

Creates the following services:

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\AuthorizedApplications\List] '<SYSTEM32>\tlntsvr.exe' = '<SYSTEM32>\tlntsvr.exe:*:Enabled:iexplorer'

Executes the following:

'<SYSTEM32>\sc.exe' start tlntsvr
'<SYSTEM32>\netsh.exe' firewall set allowedprogram <SYSTEM32>\tlntsvr.exe iexplorer enable
'<SYSTEM32>\regsvr32.exe' /s <SYSTEM32>\tlntsvrp.dll
'<SYSTEM32>\tlntsvr.exe'
'<SYSTEM32>\net1.exe' localgroup %USERNAME%s Redbull /add
'<SYSTEM32>\net1.exe' user Redbull 123456789 /add
'<SYSTEM32>\sc.exe' config tlntsvr start= auto
'<SYSTEM32>\net1.exe' localgroup 'remote desktop users' Redbull /add

Modifies file system :

Creates the following files:

C:\Drivers.exe
%WINDIR%.exe
<SYSTEM32>\NT.txt
C:\ProgramFiles.exe
%WINDIR%\apps\Microsoft\Applications\Ms-office\Ms-Word\Networking\internet\system32\TangoCharle.exe
%TEMP%\aut1.tmp
%ALLUSERSPROFILE%\Application Data\lsass.exe
<SYSTEM32>\1096\winlogon.exe

Sets the 'hidden' attribute to the following files:

Deletes the following files:

Miscellaneous:

Searches for the following windows: