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Win32.HLLW.Autoruner1.62381

Added to the Dr.Web virus database: 2013-12-11

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '76f7c873c676efb243370028a8fa4f52' = '"%TEMP%\CoFUD - VBS Downloader Generator v1.00 By (Taakj2005).exe" ..'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '76f7c873c676efb243370028a8fa4f52' = '"%TEMP%\CoFUD - VBS Downloader Generator v1.00 By (Taakj2005).exe" ..'
Creates or modifies the following files:
  • %HOMEPATH%\Start Menu\Programs\Startup\76f7c873c676efb243370028a8fa4f52.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\CoFUD - VBS Downloader Generator v1.00 By (Taakj2005).exe' = '%TEMP%\CoFUD - VBS Downloader Generator v1.00 By (Taakj2005).exe:*:Enabled:CoFUD - VBS Downloader Generator v1.00 By (Taakj2005).exe'
Creates and executes the following:
  • '%TEMP%\CoFUD - VBS Downloader Generator v1.00 By (Taakj2005).exe'
Executes the following:
  • '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\CoFUD - VBS Downloader Generator v1.00 By (Taakj2005).exe" "CoFUD - VBS Downloader Generator v1.00 By (Taakj2005).exe" ENABLE
Modifies file system :
Creates the following files:
  • %TEMP%\CoFUD - VBS Downloader Generator v1.00 By (Taakj2005).exe
Network activity:
Connects to:
  • 'ie####tor.sytes.net':199
UDP:
  • DNS ASK IE####tor.sytes.net
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: '(null)'