Win32.HLLW.Autoruner1.12159

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieho' = '%HOMEPATH%\tieho.exe /u'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieho' = '%HOMEPATH%\tieho.exe /Z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieho' = '%HOMEPATH%\tieho.exe /k'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieho' = '%HOMEPATH%\tieho.exe /W'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieho' = '%HOMEPATH%\tieho.exe /f'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieho' = '%HOMEPATH%\tieho.exe /C'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieho' = '%HOMEPATH%\tieho.exe /O'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieho' = '%HOMEPATH%\tieho.exe /i'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieho' = '%HOMEPATH%\tieho.exe /p'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieho' = '%HOMEPATH%\tieho.exe /m'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieho' = '%HOMEPATH%\tieho.exe /Q'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieho' = '%HOMEPATH%\tieho.exe /r'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieho' = '%HOMEPATH%\tieho.exe /B'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieho' = '%HOMEPATH%\tieho.exe /a'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieho' = '%HOMEPATH%\tieho.exe /y'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieho' = '%HOMEPATH%\tieho.exe /N'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieho' = '%HOMEPATH%\tieho.exe /t'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieho' = '%HOMEPATH%\tieho.exe /S'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieho' = '%HOMEPATH%\tieho.exe /x'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieho' = '%HOMEPATH%\tieho.exe /D'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieho' = '%HOMEPATH%\tieho.exe /L'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieho' = '%HOMEPATH%\tieho.exe /V'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieho' = '%HOMEPATH%\tieho.exe /g'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieho' = '%HOMEPATH%\tieho.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>:\Ury.ico
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\tieho.exe
<Drive name for removable media>:\New Folder.lnk
<Drive name for removable media>:\tiehox.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%\tieho.exe

Modifies file system :

Creates the following files:

%HOMEPATH%\tieho.exe

Sets the 'hidden' attribute to the following files:

<Drive name for removable media>:\tieho.exe
<Drive name for removable media>:\tiehox.exe
<Drive name for removable media>:\Ury.ico
%HOMEPATH%\tieho.exe
<Drive name for removable media>:\autorun.inf

Network activity:

Connects to:

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

UDP:

DNS ASK ns#.##ayer1532.com
'<Private IP address>':1036

Miscellaneous:

Searches for the following windows:

ClassName: 'Indicator' WindowName: ''

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Technical Information