Win32.HLLW.Autoruner1.152

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yaaoja' = '%HOMEPATH%\yaaoja.exe /d'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yaaoja' = '%HOMEPATH%\yaaoja.exe /G'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yaaoja' = '%HOMEPATH%\yaaoja.exe /M'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yaaoja' = '%HOMEPATH%\yaaoja.exe /N'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yaaoja' = '%HOMEPATH%\yaaoja.exe /F'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yaaoja' = '%HOMEPATH%\yaaoja.exe /U'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yaaoja' = '%HOMEPATH%\yaaoja.exe /T'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yaaoja' = '%HOMEPATH%\yaaoja.exe /v'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yaaoja' = '%HOMEPATH%\yaaoja.exe /L'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yaaoja' = '%HOMEPATH%\yaaoja.exe /o'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yaaoja' = '%HOMEPATH%\yaaoja.exe /s'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yaaoja' = '%HOMEPATH%\yaaoja.exe /E'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yaaoja' = '%HOMEPATH%\yaaoja.exe /Z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yaaoja' = '%HOMEPATH%\yaaoja.exe /P'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yaaoja' = '%HOMEPATH%\yaaoja.exe /h'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yaaoja' = '%HOMEPATH%\yaaoja.exe /b'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yaaoja' = '%HOMEPATH%\yaaoja.exe /c'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yaaoja' = '%HOMEPATH%\yaaoja.exe /a'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yaaoja' = '%HOMEPATH%\yaaoja.exe /X'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yaaoja' = '%HOMEPATH%\yaaoja.exe /y'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yaaoja' = '%HOMEPATH%\yaaoja.exe /Q'

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>:\ylry.ico
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\yaaoja.exe
<Drive name for removable media>:\New Folder.lnk
<Drive name for removable media>:\yaaojax.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%\yaaoja.exe

Modifies file system :

Creates the following files:

%HOMEPATH%\yaaoja.exe

Sets the 'hidden' attribute to the following files:

<Drive name for removable media>:\yaaoja.exe
<Drive name for removable media>:\yaaojax.exe
<Drive name for removable media>:\ylry.ico
%HOMEPATH%\yaaoja.exe
<Drive name for removable media>:\autorun.inf

Network activity:

Connects to:

'ns#.##ayer1253.com':8000

UDP:

DNS ASK ns#.##ayer1253.com
'<Private IP address>':1034

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