Win32.HLLW.Autoruner2.34588

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tiuoh' = '%HOMEPATH%\tiuoh.exe /u'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tiuoh' = '%HOMEPATH%\tiuoh.exe /v'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tiuoh' = '%HOMEPATH%\tiuoh.exe /A'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tiuoh' = '%HOMEPATH%\tiuoh.exe /z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tiuoh' = '%HOMEPATH%\tiuoh.exe /b'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tiuoh' = '%HOMEPATH%\tiuoh.exe /M'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tiuoh' = '%HOMEPATH%\tiuoh.exe /Y'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tiuoh' = '%HOMEPATH%\tiuoh.exe /q'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tiuoh' = '%HOMEPATH%\tiuoh.exe /T'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tiuoh' = '%HOMEPATH%\tiuoh.exe /d'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tiuoh' = '%HOMEPATH%\tiuoh.exe /F'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tiuoh' = '%HOMEPATH%\tiuoh.exe /n'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tiuoh' = '%HOMEPATH%\tiuoh.exe /G'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tiuoh' = '%HOMEPATH%\tiuoh.exe /P'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tiuoh' = '%HOMEPATH%\tiuoh.exe /c'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tiuoh' = '%HOMEPATH%\tiuoh.exe /I'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tiuoh' = '%HOMEPATH%\tiuoh.exe /l'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tiuoh' = '%HOMEPATH%\tiuoh.exe /w'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tiuoh' = '%HOMEPATH%\tiuoh.exe /K'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tiuoh' = '%HOMEPATH%\tiuoh.exe /r'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tiuoh' = '%HOMEPATH%\tiuoh.exe /H'

Creates the following files on removable media:

<Drive name for removable media>:\Documents.lnk
<Drive name for removable media>:\Passwords.lnk
<Drive name for removable media>:\Pictures.lnk
<Drive name for removable media>:\Video.lnk
<Drive name for removable media>:\Music.lnk
<Drive name for removable media>:\MZw.ico
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\tiuoh.exe
<Drive name for removable media>:\New Folder.lnk
<Drive name for removable media>:\tiuohx.exe

Malicious functions:

To complicate detection of its presence in the operating system,

forces the system hide from view:

hidden files

Modifies file system:

Creates the following files:

%HOMEPATH%\tiuoh.exe

Sets the 'hidden' attribute to the following files:

<Drive name for removable media>:\tiuoh.exe
<Drive name for removable media>:\tiuohx.exe
<Drive name for removable media>:\MZw.ico
%HOMEPATH%\tiuoh.exe
<Drive name for removable media>:\autorun.inf

Network activity:

Connects to:

'ns#.##ayer1532.com':8000

UDP:

DNS ASK ns#.##ayer1532.com

Miscellaneous:

Creates and executes the following:

'%HOMEPATH%\tiuoh.exe'

Технології

Терміни

Навчання

Міфи

Technical Information