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Profil

Win32.HLLW.Autoruner.51803

Added to the Dr.Web virus database: 2011-06-15

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SYSTEM\ControlSet001\Control\Print\Providers\3437958688] 'Name' = '"%TEMP%\3.tmp"'
Creates the following files on removable media:
  • <Drive name for removable media>:\mueroe.exe
  • <Drive name for removable media>:\uDD.ico
  • <Drive name for removable media>:\autorun.inf
Malicious functions:
Creates and executes the following:
  • %HOMEPATH%\quehost.exe 
  • %HOMEPATH%\mueroe.exe 
  • %HOMEPATH%\poopz.exe 
  • %HOMEPATH%\owD76KkgvP.exe 
  • %HOMEPATH%\poopx.exe 
  • "%TEMP%\hixv.exe" (downloaded from the Internet)
  • "%TEMP%\aoljym.exe" (downloaded from the Internet)
  • "%TEMP%\vnlomjjk.exe" (downloaded from the Internet)
  • "%TEMP%\patgygfa.exe" (downloaded from the Internet)
  • "%TEMP%\kufksvqv.exe" (downloaded from the Internet)
Executes the following:
  • <SYSTEM32>\tasklist.exe
  • <SYSTEM32>\svchost.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'
Hides the following processes:
  • "%TEMP%\bkcxmwms.exe"
Modifies file system :
Creates the following files:
  • %TEMP%\vnlomjjk.exe
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\pcppgk[1].php
  • %TEMP%\kufksvqv.exe
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\jjnaeei[1].php
  • %TEMP%\aoljym.exe
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\ULU3YH2D\oyppct[1].php
  • %TEMP%\bkcxmwms.exe
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\ULU3YH2D\klppp[1].php
  • %TEMP%\hixv.exe
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\xxobo[1].php
  • %HOMEPATH%\poopz.exe
  • %HOMEPATH%\quehost.exe
  • %HOMEPATH%\owD76KkgvP.exe
  • %HOMEPATH%\poopx.exe
  • %TEMP%\2.tmp
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\cpptuxlpc[1].php
  • %TEMP%\patgygfa.exe
  • %HOMEPATH%\mueroe.exe
  • %WINDIR%\Temp\4.tmp
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\uDD.ico
  • <Drive name for removable media>:\autorun.inf
  • %HOMEPATH%\mueroe.exe
Deletes the following files:
  • <DRIVERS>\etc\hosts
  • %WINDIR%\Temp\4.tmp
  • %HOMEPATH%\poopz.exe
  • %TEMP%\3.tmp
Network activity:
Connects to:
  • 'localhost':1043
  • 'ca###iod.com':80
  • '74.##5.232.51':80
TCP:
HTTP GET requests:
  • ca###iod.com/pxxko/oyppct.php?ad################################
  • ca###iod.com/pxxko/klppp.php?ad################################
  • ca###iod.com/pxxko/gqquulypp.php?ad################################
  • ca###iod.com/pxxko/obcptx.php?ad################################
  • ca###iod.com/pxxko/pcppgk.php?ad################################
  • ca###iod.com/pxxko/cpptuxlpc.php?ad################################
  • 74.##5.232.51/
  • ca###iod.com/pxxko/jjnaeei.php?ad################################
  • ca###iod.com/pxxko/xxobo.php?ad################################
UDP:
  • DNS ASK ap#.#ostip.info
  • DNS ASK ca###iod.com
  • DNS ASK google.com
Miscellaneous:
Searches for the following windows:
  • ClassName: 'MS_WebcheckMonitor' WindowName: ''
  • ClassName: 'MS_AutodialMonitor' WindowName: ''
  • ClassName: 'Shell_TrayWnd' WindowName: ''