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Win32.HLLW.Autoruner1.62343

Added to the Dr.Web virus database: 2013-12-09

Virus description added:

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)'
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