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Win32.HLLW.Autoruner1.34761

Added to the Dr.Web virus database: 2013-04-01

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'MSNMessenger' = '%APPDATA%svchost.exe'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'MSNMessenger' = '%WINDIR%svchost.exe'
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\Svchosted.exe
Malicious functions:
Creates and executes the following:
  • %APPDATA%\svchost.exe
  • %WINDIR%\svchost.exe
Executes the following:
  • <SYSTEM32>\regsvr32.exe %WINDIR%\Mswinsck.ocx
Modifies file system :
Creates the following files:
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\showthread[1].php
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\2VAZY7AN\showthread[1].php
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\google[1]
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\2VAZY7AN\whatismyip[1]
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\whatismyip[1]
  • %WINDIR%\svchost.exe
  • %WINDIR%\Mswinsck.ocx
  • %APPDATA%\svchost.exe
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\google[1]
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\showthread[1].php
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\Svchosted.exe
  • <Drive name for removable media>:\autorun.inf
  • %WINDIR%\svchost.exe
  • %APPDATA%\svchost.exe
Deletes the following files:
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\google[1]
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\2VAZY7AN\showthread[1].php
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\2VAZY7AN\whatismyip[1]
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\google[1]
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\showthread[1].php
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\showthread[1].php
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\whatismyip[1]
Network activity:
Connects to:
  • 'www.wh###smyip.org':80
  • 'localhost':1041
  • 'localhost':1045
  • 'localhost':1035
  • 'ju######um.createmybb3.com':80
  • '74.##5.232.51':80
TCP:
HTTP GET requests:
  • www.wh###smyip.org/
  • 74.##5.232.51/
  • ju######um.createmybb3.com/showthread.php?ti###
UDP:
  • DNS ASK www.wh###smyip.org
  • DNS ASK www.google.com
  • DNS ASK ju######um.createmybb3.com
Miscellaneous:
Searches for the following windows:
  • ClassName: 'MS_AutodialMonitor' WindowName: ''
  • ClassName: 'MS_WebcheckMonitor' WindowName: ''
  • ClassName: 'Shell_TrayWnd' WindowName: ''
  • ClassName: 'Indicator' WindowName: ''

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