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Profil

Win32.HLLW.Autoruner.25909

Added to the Dr.Web virus database: 2011-08-27

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\conime.exe] 'Debugger' = 'wnpvcx.exe'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'conime.exe' = 'conime.exe'
Creates the following files on removable media:
  • <Drive name for removable media>:\Autorun.inf
  • <Drive name for removable media>:\~DataRec\212154812.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List] '<SYSTEM32>\wnpvcx.exe' = '<SYSTEM32>\wnpvcx.exe:*:Enabled:LAN Router'
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\wnpvcx.exe' = '<SYSTEM32>\wnpvcx.exe:*:Enabled:LAN Router'
Creates and executes the following:
  • <SYSTEM32>\wnpvcx.exe <Full path to virus>
Executes the following:
  • <SYSTEM32>\ipconfig.exe /flushdns
Injects code into
the following system processes:
  • %WINDIR%\Explorer.EXE
Searches for windows to
detect analytical utilities:
  • ClassName: 'PROCMON_WINDOW_CLASS' WindowName: 'Process Monitor - Sysinternals: www.sysinternals.com'
detect programs and games:
  • ClassName: 'gdkWindowToplevel' WindowName: 'The Wireshark Network Analyzer'
Hides the following processes:
  • <Full path to virus>
  • <SYSTEM32>\wnpvcx.exe
Modifies file system :
Creates the following files:
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\debug2[1].zip
  • <SYSTEM32>\wnpvcx.exe
Sets the 'hidden' attribute to the following files:
  • <SYSTEM32>\wnpvcx.exe
Deletes itself.
Network activity:
Connects to:
  • 's8#.###cphotohost.com':80
  • 'ns##.##toultrasale.net':6501
TCP:
HTTP GET requests:
  • s8#.###cphotohost.com/net/debug2.zip
UDP:
  • DNS ASK s8#.###cphotohost.com
  • DNS ASK ns##.##toultrasale.net
Miscellaneous:
Searches for the following windows:
  • ClassName: 'TCPViewClass' WindowName: ''
  • ClassName: '#32770' WindowName: 'Regshot 1.8.2'
  • ClassName: 'CNetmonMainFrame' WindowName: 'Microsoft Network Monitor 3.3'
  • ClassName: 'SmartSniff' WindowName: 'SmartSniff'