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Win32.HLLW.Autoruner1.40597

Added to the Dr.Web virus database: 2013-06-08

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Service Microsoft Configuration' = 'C:\WinData\Microsoft Studio\msconfig.exe'
Malicious functions:
Creates and executes the following:
  • 'C:\WinData\Microsoft Studio\msconfig.exe'
Executes the following:
  • '<SYSTEM32>\ping.exe' 127.0.0.1
  • '<SYSTEM32>\cmd.exe' /c "C:\WinData\Microsoft Studio\delete.bat"
  • '<SYSTEM32>\attrib.exe' +h +s /d /s "C:\WinData"
Modifies file system :
Creates the following files:
  • C:\WinData\Microsoft Studio\done.txt
  • C:\WinData\Microsoft Studio\delete.bat
  • C:\WinData\Microsoft Studio\msconfig.exe
  • C:\WinData\Microsoft Studio\log.txt
Deletes the following files:
  • C:\WinData\Microsoft Studio\msconfig.exe
  • C:\WinData\Microsoft Studio\log.txt
  • C:\WinData\Microsoft Studio\log-20.18.03_date-04.06.2013.txt
Moves the following files:
  • from C:\WinData\Microsoft Studio\done.txt to C:\WinData\Microsoft Studio\log-20.18.03_date-04.06.2013.txt
Network activity:
Connects to:
  • '<Private IP address>':0

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