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Win32.HLLW.Autoruner2.15749

Added to the Dr.Web virus database: 2014-06-22

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '5cd8f17f4086744065eb0992a09e05a2' = '"<Full path to virus>" ..'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '5cd8f17f4086744065eb0992a09e05a2' = '"<Full path to virus>" ..'
Creates or modifies the following files:
  • %HOMEPATH%\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<Full path to virus>' = '<Full path to virus>:*:Enabled:<Virus name>.exe'
Executes the following:
  • '<SYSTEM32>\netsh.exe' firewall add allowedprogram "<Full path to virus>" "<Virus name>.exe" ENABLE
Network activity:
Connects to:
  • 'ya#####cker.no-ip.biz':1177
UDP:
  • DNS ASK ya#####cker.no-ip.biz
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: '(null)'
  • ClassName: '(null)' WindowName: '123456789123456789'

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