Win32.HLLW.Autoruner1.35265

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yuouzu' = '%HOMEPATH%\yuouzu.exe /g'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yuouzu' = '%HOMEPATH%\yuouzu.exe /F'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yuouzu' = '%HOMEPATH%\yuouzu.exe /k'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yuouzu' = '%HOMEPATH%\yuouzu.exe /Z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yuouzu' = '%HOMEPATH%\yuouzu.exe /T'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yuouzu' = '%HOMEPATH%\yuouzu.exe /r'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yuouzu' = '%HOMEPATH%\yuouzu.exe /q'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yuouzu' = '%HOMEPATH%\yuouzu.exe /l'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yuouzu' = '%HOMEPATH%\yuouzu.exe /X'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yuouzu' = '%HOMEPATH%\yuouzu.exe /b'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yuouzu' = '%HOMEPATH%\yuouzu.exe /I'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yuouzu' = '%HOMEPATH%\yuouzu.exe /w'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yuouzu' = '%HOMEPATH%\yuouzu.exe /S'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yuouzu' = '%HOMEPATH%\yuouzu.exe /p'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yuouzu' = '%HOMEPATH%\yuouzu.exe /h'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yuouzu' = '%HOMEPATH%\yuouzu.exe /a'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yuouzu' = '%HOMEPATH%\yuouzu.exe /o'

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>:\cSDc.ico
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\yuouzu.exe
<Drive name for removable media>:\New Folder.lnk
<Drive name for removable media>:\yuouzux.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%\yuouzu.exe'

Modifies file system :

Creates the following files:

%HOMEPATH%\yuouzu.exe

Sets the 'hidden' attribute to the following files:

<Drive name for removable media>:\yuouzu.exe
<Drive name for removable media>:\yuouzux.exe
<Drive name for removable media>:\cSDc.ico
%HOMEPATH%\yuouzu.exe
<Drive name for removable media>:\autorun.inf

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