Win32.HLLW.Autoruner.40801

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siuov' = '%HOMEPATH%\siuov.exe /O'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siuov' = '%HOMEPATH%\siuov.exe /V'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siuov' = '%HOMEPATH%\siuov.exe /T'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siuov' = '%HOMEPATH%\siuov.exe /E'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siuov' = '%HOMEPATH%\siuov.exe /q'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siuov' = '%HOMEPATH%\siuov.exe /P'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siuov' = '%HOMEPATH%\siuov.exe /f'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siuov' = '%HOMEPATH%\siuov.exe /C'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siuov' = '%HOMEPATH%\siuov.exe /H'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siuov' = '%HOMEPATH%\siuov.exe /A'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siuov' = '%HOMEPATH%\siuov.exe /L'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siuov' = '%HOMEPATH%\siuov.exe /m'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siuov' = '%HOMEPATH%\siuov.exe /g'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siuov' = '%HOMEPATH%\siuov.exe /K'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siuov' = '%HOMEPATH%\siuov.exe /b'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siuov' = '%HOMEPATH%\siuov.exe /Y'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siuov' = '%HOMEPATH%\siuov.exe /X'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siuov' = '%HOMEPATH%\siuov.exe /Z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siuov' = '%HOMEPATH%\siuov.exe /N'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siuov' = '%HOMEPATH%\siuov.exe /R'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siuov' = '%HOMEPATH%\siuov.exe /i'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siuov' = '%HOMEPATH%\siuov.exe /w'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siuov' = '%HOMEPATH%\siuov.exe /J'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siuov' = '%HOMEPATH%\siuov.exe /U'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siuov' = '%HOMEPATH%\siuov.exe /s'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siuov' = '%HOMEPATH%\siuov.exe /D'

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>:\siuov.exe
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\New Folder.lnk
<Drive name for removable media>:\siuovx.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%\siuov.exe'

Modifies file system :

Creates the following files:

%HOMEPATH%\siuov.exe

Sets the 'hidden' attribute to the following files:

<Drive name for removable media>:\siuov.exe
<Drive name for removable media>:\siuovx.exe
%HOMEPATH%\siuov.exe
<Drive name for removable media>:\autorun.inf

Network activity:

Connects to:

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

UDP:

DNS ASK ns#.##ayer1253.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