Win32.HLLW.Autoruner1.62084

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'viyar' = '%HOMEPATH%\viyar.exe /j'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'viyar' = '%HOMEPATH%\viyar.exe /z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'viyar' = '%HOMEPATH%\viyar.exe /m'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'viyar' = '%HOMEPATH%\viyar.exe /q'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'viyar' = '%HOMEPATH%\viyar.exe /E'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'viyar' = '%HOMEPATH%\viyar.exe /u'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'viyar' = '%HOMEPATH%\viyar.exe /Y'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'viyar' = '%HOMEPATH%\viyar.exe /S'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'viyar' = '%HOMEPATH%\viyar.exe /h'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'viyar' = '%HOMEPATH%\viyar.exe /w'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'viyar' = '%HOMEPATH%\viyar.exe /n'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'viyar' = '%HOMEPATH%\viyar.exe /l'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'viyar' = '%HOMEPATH%\viyar.exe /k'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'viyar' = '%HOMEPATH%\viyar.exe /c'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'viyar' = '%HOMEPATH%\viyar.exe /o'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'viyar' = '%HOMEPATH%\viyar.exe /F'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'viyar' = '%HOMEPATH%\viyar.exe /v'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'viyar' = '%HOMEPATH%\viyar.exe /I'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'viyar' = '%HOMEPATH%\viyar.exe /d'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'viyar' = '%HOMEPATH%\viyar.exe /G'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'viyar' = '%HOMEPATH%\viyar.exe /R'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'viyar' = '%HOMEPATH%\viyar.exe /X'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'viyar' = '%HOMEPATH%\viyar.exe /P'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'viyar' = '%HOMEPATH%\viyar.exe /t'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'viyar' = '%HOMEPATH%\viyar.exe /B'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'viyar' = '%HOMEPATH%\viyar.exe /a'

Creates the following files on removable media:

<Drive name for removable media>:\Passwords.exe
<Drive name for removable media>:\RCX3.tmp
<Drive name for removable media>:\RCX2.tmp
<Drive name for removable media>:\RCX6.tmp
<Drive name for removable media>:\RCX5.tmp
<Drive name for removable media>:\RCX4.tmp
<Drive name for removable media>:\Secret.exe
<Drive name for removable media>:\viyar.exe
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\Porn.exe
<Drive name for removable media>:\RCX1.tmp
<Drive name for removable media>:\Sexy.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%\viyar.exe'

Modifies file system :

Creates the following files:

%HOMEPATH%\viyar.exe

Sets the 'hidden' attribute to the following files:

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

Deletes the following files:

<Drive name for removable media>:\Passwords.exe
<Drive name for removable media>:\Porn.exe
<Drive name for removable media>:\Sexy.exe

Network activity:

Connects to:

'ns#.##ayer1352.com':8003

UDP:

DNS ASK ns#.##ayer1352.com

Miscellaneous:

Searches for the following windows:

ClassName: 'Shell_TrayWnd' WindowName: '(null)'
ClassName: 'Indicator' WindowName: '(null)'

Technologies

Begriffe

Schulung und Training

Mythen

Technical Information