Win32.HLLW.Autoruner2.36026

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reukua' = '%HOMEPATH%\reukua.exe /i'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reukua' = '%HOMEPATH%\reukua.exe /V'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reukua' = '%HOMEPATH%\reukua.exe /A'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reukua' = '%HOMEPATH%\reukua.exe /Y'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reukua' = '%HOMEPATH%\reukua.exe /E'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reukua' = '%HOMEPATH%\reukua.exe /F'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reukua' = '%HOMEPATH%\reukua.exe /z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reukua' = '%HOMEPATH%\reukua.exe /W'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reukua' = '%HOMEPATH%\reukua.exe /s'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reukua' = '%HOMEPATH%\reukua.exe /X'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reukua' = '%HOMEPATH%\reukua.exe /B'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reukua' = '%HOMEPATH%\reukua.exe /G'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reukua' = '%HOMEPATH%\reukua.exe /n'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reukua' = '%HOMEPATH%\reukua.exe /U'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reukua' = '%HOMEPATH%\reukua.exe /Q'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reukua' = '%HOMEPATH%\reukua.exe /K'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reukua' = '%HOMEPATH%\reukua.exe /D'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reukua' = '%HOMEPATH%\reukua.exe /C'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reukua' = '%HOMEPATH%\reukua.exe /O'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reukua' = '%HOMEPATH%\reukua.exe /l'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reukua' = '%HOMEPATH%\reukua.exe /p'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reukua' = '%HOMEPATH%\reukua.exe /m'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reukua' = '%HOMEPATH%\reukua.exe /j'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reukua' = '%HOMEPATH%\reukua.exe /r'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reukua' = '%HOMEPATH%\reukua.exe /t'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reukua' = '%HOMEPATH%\reukua.exe /H'

Creates the following files on removable media:

<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\vrsW.ico
<Drive name for removable media>:\reukua.exe
<Drive name for removable media>:\reukuax.exe
<Drive name for removable media>:\New Folder.lnk
<Drive name for removable media>:\Passwords.lnk
<Drive name for removable media>:\Documents.lnk
<Drive name for removable media>:\Pictures.lnk
<Drive name for removable media>:\Music.lnk
<Drive name for removable media>:\Video.lnk

Malicious functions:

To complicate detection of its presence in the operating system,

forces the system hide from view:

hidden files

Modifies file system:

Creates the following files:

%HOMEPATH%\reukua.exe

Sets the 'hidden' attribute to the following files:

%HOMEPATH%\reukua.exe
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\vrsW.ico
<Drive name for removable media>:\reukua.exe
<Drive name for removable media>:\reukuax.exe

Network activity:

Connects to:

'ns#.##ayer1532.com':8000

UDP:

DNS ASK ns#.##ayer1532.com

Miscellaneous:

Creates and executes the following:

'%HOMEPATH%\reukua.exe'

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