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Win32.HLLW.Siggen.10501

Added to the Dr.Web virus database: 2018-08-02

Virus description added:

Technical Information

To ensure autorun and distribution:
Creates or modifies the following files:
  • %HOMEPATH%\Start Menu\Programs\Startup\svchost.exe
Modifies file system:
Creates the following files:
  • %TEMP%\aCiw.resources
  • %TEMP%\calc.exe
  • %TEMP%\svchost.exe
  • %TEMP%\2k75w08.resources
  • %TEMP%\MSNPSharp.dll
  • %TEMP%\x1gbmw1p.0.vb
  • %TEMP%\x1gbmw1p.cmdline
  • %TEMP%\x1gbmw1p.out
  • %TEMP%\vbc1.tmp
  • %TEMP%\RES2.tmp
  • %TEMP%\x1gbmw1p.exe
Deletes the following files:
  • %TEMP%\RES2.tmp
  • %TEMP%\vbc1.tmp
  • %TEMP%\x1gbmw1p.cmdline
  • %TEMP%\x1gbmw1p.out
  • %TEMP%\x1gbmw1p.exe
  • %TEMP%\x1gbmw1p.0.vb
Network activity:
Connects to:
  • '17#.#3.169.14':80
Miscellaneous:
Creates and executes the following:
  • '%TEMP%\calc.exe'
  • '%TEMP%\svchost.exe'
Executes the following:
  • '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\x1gbmw1p.cmdline"
  • '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES2.tmp" "%TEMP%\vbc1.tmp"