Win32.HLLW.Autoruner2.14062

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laiutaf' = '%HOMEPATH%\laiutaf.exe /Z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laiutaf' = '%HOMEPATH%\laiutaf.exe /M'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laiutaf' = '%HOMEPATH%\laiutaf.exe /h'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laiutaf' = '%HOMEPATH%\laiutaf.exe /J'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laiutaf' = '%HOMEPATH%\laiutaf.exe /V'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laiutaf' = '%HOMEPATH%\laiutaf.exe /l'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laiutaf' = '%HOMEPATH%\laiutaf.exe /b'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laiutaf' = '%HOMEPATH%\laiutaf.exe /a'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laiutaf' = '%HOMEPATH%\laiutaf.exe /Q'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laiutaf' = '%HOMEPATH%\laiutaf.exe /R'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laiutaf' = '%HOMEPATH%\laiutaf.exe /S'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laiutaf' = '%HOMEPATH%\laiutaf.exe /e'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laiutaf' = '%HOMEPATH%\laiutaf.exe /C'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laiutaf' = '%HOMEPATH%\laiutaf.exe /w'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laiutaf' = '%HOMEPATH%\laiutaf.exe /n'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laiutaf' = '%HOMEPATH%\laiutaf.exe /o'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laiutaf' = '%HOMEPATH%\laiutaf.exe /I'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laiutaf' = '%HOMEPATH%\laiutaf.exe /U'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laiutaf' = '%HOMEPATH%\laiutaf.exe /p'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laiutaf' = '%HOMEPATH%\laiutaf.exe /t'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laiutaf' = '%HOMEPATH%\laiutaf.exe /d'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laiutaf' = '%HOMEPATH%\laiutaf.exe /f'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laiutaf' = '%HOMEPATH%\laiutaf.exe /K'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laiutaf' = '%HOMEPATH%\laiutaf.exe /Y'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laiutaf' = '%HOMEPATH%\laiutaf.exe /G'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laiutaf' = '%HOMEPATH%\laiutaf.exe /x'

Creates the following files on removable media:

<Drive name for removable media>:\Passwords.exe
<Drive name for removable media>:\RCX3.tmp
<Drive name for removable media>:\RCX2.tmp
<Drive name for removable media>:\RCX6.tmp
<Drive name for removable media>:\RCX5.tmp
<Drive name for removable media>:\RCX4.tmp
<Drive name for removable media>:\Secret.exe
<Drive name for removable media>:\laiutaf.exe
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\Porn.exe
<Drive name for removable media>:\RCX1.tmp
<Drive name for removable media>:\Sexy.exe

Malicious functions:

To complicate detection of its presence in the operating system,

forces the system hide from view:

hidden files

Creates and executes the following:

'%HOMEPATH%\laiutaf.exe'

Modifies file system :

Creates the following files:

%HOMEPATH%\laiutaf.exe

Sets the 'hidden' attribute to the following files:

<Drive name for removable media>:\laiutaf.exe
<Drive name for removable media>:\autorun.inf
%HOMEPATH%\laiutaf.exe

Deletes the following files:

<Drive name for removable media>:\Passwords.exe
<Drive name for removable media>:\Porn.exe
<Drive name for removable media>:\Sexy.exe

Network activity:

Connects to:

'ns#.###nsearcher.net':8000

UDP:

DNS ASK ns#.###nsearcher.net

Miscellaneous:

Searches for the following windows:

ClassName: 'Shell_TrayWnd' WindowName: '(null)'
ClassName: 'Indicator' WindowName: '(null)'

Tecnologie

Termini

Formazione ed informazione

Falsi miti

Technical Information