Win32.HLLW.Autoruner1.11157

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoxev' = '%HOMEPATH%\yoxev.exe /D'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoxev' = '%HOMEPATH%\yoxev.exe /H'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoxev' = '%HOMEPATH%\yoxev.exe /y'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoxev' = '%HOMEPATH%\yoxev.exe /I'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoxev' = '%HOMEPATH%\yoxev.exe /T'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoxev' = '%HOMEPATH%\yoxev.exe /J'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoxev' = '%HOMEPATH%\yoxev.exe /R'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoxev' = '%HOMEPATH%\yoxev.exe /U'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoxev' = '%HOMEPATH%\yoxev.exe /o'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoxev' = '%HOMEPATH%\yoxev.exe /k'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoxev' = '%HOMEPATH%\yoxev.exe /Z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoxev' = '%HOMEPATH%\yoxev.exe /n'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoxev' = '%HOMEPATH%\yoxev.exe /F'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoxev' = '%HOMEPATH%\yoxev.exe /m'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoxev' = '%HOMEPATH%\yoxev.exe /b'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoxev' = '%HOMEPATH%\yoxev.exe /v'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoxev' = '%HOMEPATH%\yoxev.exe /L'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoxev' = '%HOMEPATH%\yoxev.exe /g'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoxev' = '%HOMEPATH%\yoxev.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>:\afS.ico
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\yoxev.exe
<Drive name for removable media>:\New Folder.lnk
<Drive name for removable media>:\yoxevx.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%\yoxev.exe

Modifies file system :

Creates the following files:

%HOMEPATH%\yoxev.exe

Sets the 'hidden' attribute to the following files:

<Drive name for removable media>:\yoxev.exe
<Drive name for removable media>:\yoxevx.exe
<Drive name for removable media>:\afS.ico
%HOMEPATH%\yoxev.exe
<Drive name for removable media>:\autorun.inf

Network activity:

Connects to:

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

UDP:

DNS ASK ns#.##ayer1532.com
'<Private IP address>':1037

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