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Win32.HLLW.SpyNet.436

Added to the Dr.Web virus database: 2016-10-20

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'HKCU' = '%Svhost%'
  • [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}] 'StubPath' = '%WINDIR%\InstallDir\Server.exe'
  • [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}] 'StubPath' = '%WINDIR%\InstallDir\Server.exe restart'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'HKLM' = '%WINDIR%\InstallDir\Server.exe'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'HKCU' = '%WINDIR%\InstallDir\Server.exe'
Malicious functions:
Executes the following:
  • '%ProgramFiles%\Internet Explorer\IEXPLORE.EXE'
  • '<SYSTEM32>\svchost.exe'
Injects code into
the following system processes:
  • <SYSTEM32>\svchost.exe
Modifies file system:
Creates the following files:
  • %WINDIR%\InstallDir\Server.exe
Network activity:
Connects to:
  • 'mi####dy.ddns.net':299
  • 'localhost':1038
UDP:
  • DNS ASK mi####dy.ddns.net
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Shell_TrayWnd' WindowName: ''
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