Win32.HLLW.Autoruner.57766

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niucuan' = '%HOMEPATH%\niucuan.exe /b'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niucuan' = '%HOMEPATH%\niucuan.exe /f'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niucuan' = '%HOMEPATH%\niucuan.exe /N'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niucuan' = '%HOMEPATH%\niucuan.exe /x'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niucuan' = '%HOMEPATH%\niucuan.exe /K'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niucuan' = '%HOMEPATH%\niucuan.exe /c'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niucuan' = '%HOMEPATH%\niucuan.exe /i'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niucuan' = '%HOMEPATH%\niucuan.exe /s'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niucuan' = '%HOMEPATH%\niucuan.exe /j'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niucuan' = '%HOMEPATH%\niucuan.exe /O'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niucuan' = '%HOMEPATH%\niucuan.exe /V'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niucuan' = '%HOMEPATH%\niucuan.exe /T'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niucuan' = '%HOMEPATH%\niucuan.exe /Z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niucuan' = '%HOMEPATH%\niucuan.exe /E'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niucuan' = '%HOMEPATH%\niucuan.exe /h'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niucuan' = '%HOMEPATH%\niucuan.exe /a'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niucuan' = '%HOMEPATH%\niucuan.exe /y'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niucuan' = '%HOMEPATH%\niucuan.exe /G'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niucuan' = '%HOMEPATH%\niucuan.exe /P'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niucuan' = '%HOMEPATH%\niucuan.exe /u'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niucuan' = '%HOMEPATH%\niucuan.exe /m'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niucuan' = '%HOMEPATH%\niucuan.exe /r'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niucuan' = '%HOMEPATH%\niucuan.exe /q'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niucuan' = '%HOMEPATH%\niucuan.exe /D'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niucuan' = '%HOMEPATH%\niucuan.exe /W'

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>:\DnWJ.ico
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\niucuan.exe
<Drive name for removable media>:\New Folder.lnk
<Drive name for removable media>:\niucuanx.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%\niucuan.exe

Modifies file system :

Creates the following files:

%HOMEPATH%\niucuan.exe

Sets the 'hidden' attribute to the following files:

<Drive name for removable media>:\niucuan.exe
<Drive name for removable media>:\niucuanx.exe
<Drive name for removable media>:\DnWJ.ico
%HOMEPATH%\niucuan.exe
<Drive name for removable media>:\autorun.inf

Network activity:

Connects to:

'ns#.##ayer1532.com':8003

UDP:

DNS ASK ns#.##ayer1532.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