Win32.HLLW.Autoruner2.35430

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yytiez' = '%HOMEPATH%\yytiez.exe /M'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yytiez' = '%HOMEPATH%\yytiez.exe /w'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yytiez' = '%HOMEPATH%\yytiez.exe /D'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yytiez' = '%HOMEPATH%\yytiez.exe /N'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yytiez' = '%HOMEPATH%\yytiez.exe /Z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yytiez' = '%HOMEPATH%\yytiez.exe /s'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yytiez' = '%HOMEPATH%\yytiez.exe /i'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yytiez' = '%HOMEPATH%\yytiez.exe /G'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yytiez' = '%HOMEPATH%\yytiez.exe /L'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yytiez' = '%HOMEPATH%\yytiez.exe /J'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yytiez' = '%HOMEPATH%\yytiez.exe /c'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yytiez' = '%HOMEPATH%\yytiez.exe /k'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yytiez' = '%HOMEPATH%\yytiez.exe /Q'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yytiez' = '%HOMEPATH%\yytiez.exe /v'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yytiez' = '%HOMEPATH%\yytiez.exe /b'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yytiez' = '%HOMEPATH%\yytiez.exe /H'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yytiez' = '%HOMEPATH%\yytiez.exe /f'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yytiez' = '%HOMEPATH%\yytiez.exe /A'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yytiez' = '%HOMEPATH%\yytiez.exe /e'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yytiez' = '%HOMEPATH%\yytiez.exe /X'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yytiez' = '%HOMEPATH%\yytiez.exe /P'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yytiez' = '%HOMEPATH%\yytiez.exe /Y'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yytiez' = '%HOMEPATH%\yytiez.exe /T'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yytiez' = '%HOMEPATH%\yytiez.exe /o'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yytiez' = '%HOMEPATH%\yytiez.exe /R'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yytiez' = '%HOMEPATH%\yytiez.exe /U'

Creates the following files on removable media:

<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\yytiez.exe
<Drive name for removable media>:\Secret.exe
<Drive name for removable media>:\Sexy.exe
<Drive name for removable media>:\RCX1.tmp

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%\yytiez.exe

Sets the 'hidden' attribute to the following files:

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

Deletes the following files:

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

Substitutes the following files:

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

Network activity:

Connects to:

'ns#.##ayer1352.com':8000

UDP:

DNS ASK ns#.##ayer1352.com

Miscellaneous:

Creates and executes the following:

'%HOMEPATH%\yytiez.exe'

Tecnologías

Términos

Formación y educación

Mitos

Technical Information