Win32.HLLW.Autoruner.57159

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yieot' = '%HOMEPATH%\yieot.exe /e'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yieot' = '%HOMEPATH%\yieot.exe /x'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yieot' = '%HOMEPATH%\yieot.exe /L'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yieot' = '%HOMEPATH%\yieot.exe /z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yieot' = '%HOMEPATH%\yieot.exe /t'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yieot' = '%HOMEPATH%\yieot.exe /c'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yieot' = '%HOMEPATH%\yieot.exe /n'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yieot' = '%HOMEPATH%\yieot.exe /i'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yieot' = '%HOMEPATH%\yieot.exe /O'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yieot' = '%HOMEPATH%\yieot.exe /G'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yieot' = '%HOMEPATH%\yieot.exe /m'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yieot' = '%HOMEPATH%\yieot.exe /U'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yieot' = '%HOMEPATH%\yieot.exe /B'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yieot' = '%HOMEPATH%\yieot.exe /y'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yieot' = '%HOMEPATH%\yieot.exe /j'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yieot' = '%HOMEPATH%\yieot.exe /h'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yieot' = '%HOMEPATH%\yieot.exe /w'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yieot' = '%HOMEPATH%\yieot.exe /s'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yieot' = '%HOMEPATH%\yieot.exe /d'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yieot' = '%HOMEPATH%\yieot.exe /v'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yieot' = '%HOMEPATH%\yieot.exe /r'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yieot' = '%HOMEPATH%\yieot.exe /f'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yieot' = '%HOMEPATH%\yieot.exe /P'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yieot' = '%HOMEPATH%\yieot.exe /A'

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>:\yieot.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%\yieot.exe

Modifies file system :

Creates the following files:

%HOMEPATH%\yieot.exe

Sets the 'hidden' attribute to the following files:

<Drive name for removable media>:\yieot.exe
<Drive name for removable media>:\autorun.inf
%HOMEPATH%\yieot.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#.##ayer1532.com':8000

UDP:

DNS ASK ns#.##ayer1532.com

Miscellaneous:

Searches for the following windows:

ClassName: 'Indicator' WindowName: ''

テクノロジー

用語

トレーニングコースおよび啓蒙プロジェクト

アンチウイルスに関する誤解と噂

Technical Information