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Profil

Win32.HLLW.Autoruner.51933

Added to the Dr.Web virus database: 2011-06-17

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SYSTEM\ControlSet001\Control\Print\Providers\1600495392] 'Name' = '"%TEMP%\3.tmp"'
Creates the following files on removable media:
  • <Drive name for removable media>:\yuaqau.exe
  • <Drive name for removable media>:\yuaqaux.exe
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\AFcF.ico
Malicious functions:
Creates and executes the following:
  • %HOMEPATH%\c.exe 
  • %HOMEPATH%\yuaqau.exe 
  • %HOMEPATH%\aX518PLs2279.exe 
  • %HOMEPATH%\b.exe 
Executes the following:
  • <SYSTEM32>\tasklist.exe
Injects code into
the following system processes:
  • <SYSTEM32>\spoolsv.exe
Modifies settings of Windows Internet Explorer:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1400' = '00000000'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1601' = '00000000'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] 'currentlevel' = '00000000'
Modifies file system :
Creates the following files:
  • %WINDIR%\Temp\4.tmp
  • %HOMEPATH%\yuaqau.exe
  • %TEMP%\Rlb..bat
  • %TEMP%\2.tmp
  • %HOMEPATH%\aX518PLs2279.exe
  • %HOMEPATH%\b.exe
  • %HOMEPATH%\c.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\yuaqau.exe
  • <Drive name for removable media>:\yuaqaux.exe
  • <Drive name for removable media>:\AFcF.ico
  • %HOMEPATH%\yuaqau.exe
  • <Drive name for removable media>:\autorun.inf
Deletes the following files:
  • %HOMEPATH%\c.exe
  • %HOMEPATH%\aX518PLs2279.exe
  • %WINDIR%\Temp\4.tmp
  • %TEMP%\3.tmp
  • <DRIVERS>\etc\hosts
Network activity:
Connects to:
  • 'no#####ternational.in':80
TCP:
HTTP POST requests:
  • no#####ternational.in/mjicsmjimcjimcsdmc.php?in##############################################################################################################
UDP:
  • DNS ASK sa###force.com
  • DNS ASK no#####ternational.in
  • DNS ASK te###raph.co.uk
  • DNS ASK ga###pot.com

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