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Win32.HLLW.Autoruner1.34627

Added to the Dr.Web virus database: 2013-03-29

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Yahoo Messengger' = '<SYSTEM32>\scvhost.exe'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'Explorer.exe scvhost.exe'
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\scvhost.exe
  • <Drive name for removable media>:\New Folder.exe
Modifies file system :
Creates the following files:
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\setting[1].nql
  • <SYSTEM32>\setting.ini
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\setting[1].nql
  • <SYSTEM32>\scvhost.exe
  • %WINDIR%\scvhost.exe
  • <SYSTEM32>\autorun.ini
Sets the 'hidden' attribute to the following files:
  • <SYSTEM32>\setting.ini
  • <Drive name for removable media>:\autorun.inf
  • <SYSTEM32>\scvhost.exe
  • <SYSTEM32>\autorun.ini
Network activity:
Connects to:
  • 'ad#####le1.0catch.com':80
  • 'ad#####le.0catch.com':80
TCP:
HTTP GET requests:
  • ad#####le1.0catch.com/setting.nql
  • ad#####le.0catch.com/setting.nql
UDP:
  • DNS ASK ad#####le1.0catch.com
  • DNS ASK ad#####le.0catch.com
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: ''