Win32.HLLW.Autoruner1.62343

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'hoaviug' = '%HOMEPATH%\hoaviug.exe /s'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'hoaviug' = '%HOMEPATH%\hoaviug.exe /O'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'hoaviug' = '%HOMEPATH%\hoaviug.exe /u'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'hoaviug' = '%HOMEPATH%\hoaviug.exe /Z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'hoaviug' = '%HOMEPATH%\hoaviug.exe /k'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'hoaviug' = '%HOMEPATH%\hoaviug.exe /h'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'hoaviug' = '%HOMEPATH%\hoaviug.exe /R'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'hoaviug' = '%HOMEPATH%\hoaviug.exe /N'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'hoaviug' = '%HOMEPATH%\hoaviug.exe /M'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'hoaviug' = '%HOMEPATH%\hoaviug.exe /B'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'hoaviug' = '%HOMEPATH%\hoaviug.exe /C'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'hoaviug' = '%HOMEPATH%\hoaviug.exe /X'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'hoaviug' = '%HOMEPATH%\hoaviug.exe /l'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'hoaviug' = '%HOMEPATH%\hoaviug.exe /Y'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'hoaviug' = '%HOMEPATH%\hoaviug.exe /w'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'hoaviug' = '%HOMEPATH%\hoaviug.exe /F'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'hoaviug' = '%HOMEPATH%\hoaviug.exe /A'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'hoaviug' = '%HOMEPATH%\hoaviug.exe /g'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'hoaviug' = '%HOMEPATH%\hoaviug.exe /T'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'hoaviug' = '%HOMEPATH%\hoaviug.exe /e'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'hoaviug' = '%HOMEPATH%\hoaviug.exe /D'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'hoaviug' = '%HOMEPATH%\hoaviug.exe /J'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'hoaviug' = '%HOMEPATH%\hoaviug.exe /q'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'hoaviug' = '%HOMEPATH%\hoaviug.exe /V'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'hoaviug' = '%HOMEPATH%\hoaviug.exe /p'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'hoaviug' = '%HOMEPATH%\hoaviug.exe /I'

Creates or modifies the following files:

%HOMEPATH%\Start Menu\Programs\Startup\svchost.exe

Creates the following files on removable media:

<Drive name for removable media>:\RCX7.tmp
<Drive name for removable media>:\RCX8.tmp
<Drive name for removable media>:\Passwords.exe
<Drive name for removable media>:\RCX6.tmp
<Drive name for removable media>:\RCXB.tmp
<Drive name for removable media>:\RCXE.tmp
<Drive name for removable media>:\Bloc-notes.exe
<Drive name for removable media>:\hoaviug_backup.exe
<Drive name for removable media>:\Secret.exe
<Drive name for removable media>:\Sexy.exe
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\hoaviug.exe
<Drive name for removable media>:\RCX4.tmp
<Drive name for removable media>:\RCX5.tmp
<Drive name for removable media>:\RCX3.tmp
<Drive name for removable media>:\Porn.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%\hoaviug.exe'
'%TEMP%\svchost.exe'
'%TEMP%\201209_C720_720A_USD_0003498484_CONFIRM.exe'

Executes the following:

'%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESA.tmp" "%TEMP%\vbc9.tmp"
'%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\khyey3e1.cmdline"
'%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESD.tmp" "%TEMP%\vbcC.tmp"
'%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\cxvnujhi.cmdline"
'%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES2.tmp" "%TEMP%\vbc1.tmp"
'%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\y2ygm26z.cmdline"

Modifies file system :

Creates the following files:

%TEMP%\vbc9.tmp
%TEMP%\RESA.tmp
%TEMP%\windowsupdate.ico
%TEMP%\y2ygm26z.out
%TEMP%\whatdafock.txt
%TEMP%\y2ygm26z.0.vb
%TEMP%\y2ygm26z.cmdline
%TEMP%\khyey3e1.out
%TEMP%\vbcC.tmp
%TEMP%\RESD.tmp
%TEMP%\khyey3e1.cmdline
%TEMP%\RgF.resources
%TEMP%\wUMkrXEi.resources
%TEMP%\khyey3e1.0.vb
%TEMP%\MSNPSharp.dll
%TEMP%\cxvnujhi.0.vb
%TEMP%\cxvnujhi.cmdline
%TEMP%\2I3v4hbU0.resources
%TEMP%\QTvyScV.resources
%TEMP%\svchost.exe
%TEMP%\201209_C720_720A_USD_0003498484_CONFIRM.exe
%TEMP%\cxvnujhi.exe
%TEMP%\KTBRn.resources
%TEMP%\pqYAAPzH.resources
%TEMP%\RES2.tmp
%TEMP%\cxvnujhi.out
%HOMEPATH%\hoaviug.exe
%TEMP%\vbc1.tmp

Sets the 'hidden' attribute to the following files:

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

Deletes the following files:

<Drive name for removable media>:\hoaviug_backup.exe
%TEMP%\windowsupdate.ico
<Drive name for removable media>:\hoaviug.exe
%TEMP%\y2ygm26z.cmdline
%TEMP%\KTBRn.resources
%TEMP%\pqYAAPzH.resources
%TEMP%\RESD.tmp
%TEMP%\khyey3e1.cmdline
%TEMP%\RgF.resources
%TEMP%\wUMkrXEi.resources
%TEMP%\vbcC.tmp
%TEMP%\khyey3e1.out
%TEMP%\khyey3e1.0.vb
%TEMP%\cxvnujhi.out
%TEMP%\cxvnujhi.cmdline
%TEMP%\cxvnujhi.exe
%TEMP%\RES2.tmp
%TEMP%\vbc1.tmp
%TEMP%\cxvnujhi.0.vb
<Drive name for removable media>:\Sexy.exe
%TEMP%\vbc9.tmp
%TEMP%\y2ygm26z.0.vb
%TEMP%\y2ygm26z.out
<Drive name for removable media>:\Porn.exe
<Drive name for removable media>:\Passwords.exe
%TEMP%\RESA.tmp

Network activity:

Connects to:

'ns#.###nsearcher.net':8000
'17#.#3.169.14':80

UDP:

DNS ASK ns#.###nsearcher.net

Miscellaneous:

Searches for the following windows:

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

Technologies

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Technical Information