Win32.HLLW.Autoruner.54511

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoiob' = '%HOMEPATH%\yoiob.exe /l'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoiob' = '%HOMEPATH%\yoiob.exe /S'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoiob' = '%HOMEPATH%\yoiob.exe /B'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoiob' = '%HOMEPATH%\yoiob.exe /m'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoiob' = '%HOMEPATH%\yoiob.exe /y'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoiob' = '%HOMEPATH%\yoiob.exe /e'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoiob' = '%HOMEPATH%\yoiob.exe /z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoiob' = '%HOMEPATH%\yoiob.exe /k'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoiob' = '%HOMEPATH%\yoiob.exe /u'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoiob' = '%HOMEPATH%\yoiob.exe /G'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoiob' = '%HOMEPATH%\yoiob.exe /r'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoiob' = '%HOMEPATH%\yoiob.exe /f'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoiob' = '%HOMEPATH%\yoiob.exe /T'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoiob' = '%HOMEPATH%\yoiob.exe /q'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoiob' = '%HOMEPATH%\yoiob.exe /J'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoiob' = '%HOMEPATH%\yoiob.exe /H'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoiob' = '%HOMEPATH%\yoiob.exe /P'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoiob' = '%HOMEPATH%\yoiob.exe /D'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoiob' = '%HOMEPATH%\yoiob.exe /c'

Creates the following files on removable media:

<Drive name for removable media>:\Pictures.lnk
<Drive name for removable media>:\Documents.lnk
<Drive name for removable media>:\Video.lnk
<Drive name for removable media>:\Music.lnk
<Drive name for removable media>:\Passwords.lnk
<Drive name for removable media>:\yoiob.exe
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\New Folder.lnk
<Drive name for removable media>:\yoiobx.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%\yoiob.exe

Modifies file system :

Creates the following files:

%HOMEPATH%\yoiob.exe

Sets the 'hidden' attribute to the following files:

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

Network activity:

Connects to:

'ns#.###eo-shares.com':8000

UDP:

DNS ASK ns#.###eo-shares.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