Win32.HLLW.Autoruner1.46175

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybef' = '%HOMEPATH%\kybef.exe /d'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybef' = '%HOMEPATH%\kybef.exe /l'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybef' = '%HOMEPATH%\kybef.exe /k'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybef' = '%HOMEPATH%\kybef.exe /o'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybef' = '%HOMEPATH%\kybef.exe /a'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybef' = '%HOMEPATH%\kybef.exe /f'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybef' = '%HOMEPATH%\kybef.exe /r'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybef' = '%HOMEPATH%\kybef.exe /I'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybef' = '%HOMEPATH%\kybef.exe /c'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybef' = '%HOMEPATH%\kybef.exe /M'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybef' = '%HOMEPATH%\kybef.exe /Q'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybef' = '%HOMEPATH%\kybef.exe /t'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybef' = '%HOMEPATH%\kybef.exe /h'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybef' = '%HOMEPATH%\kybef.exe /e'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybef' = '%HOMEPATH%\kybef.exe /y'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybef' = '%HOMEPATH%\kybef.exe /S'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybef' = '%HOMEPATH%\kybef.exe /W'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybef' = '%HOMEPATH%\kybef.exe /p'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybef' = '%HOMEPATH%\kybef.exe /B'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybef' = '%HOMEPATH%\kybef.exe /V'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybef' = '%HOMEPATH%\kybef.exe /g'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybef' = '%HOMEPATH%\kybef.exe /u'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybef' = '%HOMEPATH%\kybef.exe /Z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybef' = '%HOMEPATH%\kybef.exe /n'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybef' = '%HOMEPATH%\kybef.exe /X'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybef' = '%HOMEPATH%\kybef.exe /J'

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>:\sjfn.ico
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\kybef.exe
<Drive name for removable media>:\New Folder.lnk
<Drive name for removable media>:\kybefx.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%\kybef.exe'

Executes the following:

'<SYSTEM32>\wermgr.exe' -queuereporting

Modifies file system :

Creates the following files:

%HOMEPATH%\kybef.exe

Sets the 'hidden' attribute to the following files:

<Drive name for removable media>:\kybef.exe
<Drive name for removable media>:\kybefx.exe
<Drive name for removable media>:\sjfn.ico
%HOMEPATH%\kybef.exe
<Drive name for removable media>:\autorun.inf

Network activity:

Connects to:

'20#.#6.232.182':80
'download.windowsupdate.com':80
'ns#.##ayer1532.com':8000

UDP:

DNS ASK download.windowsupdate.com
DNS ASK do#####d.microsoft.com
DNS ASK ns#.##ayer1532.com
DNS ASK dn#.##ftncsi.com

Miscellaneous:

Searches for the following windows:

ClassName: 'Indicator' WindowName: '(null)'

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