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Win32.HLLW.Autoruner1.30396

Added to the Dr.Web virus database: 2012-11-26

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'GoogleUpdate' = 'C:\WinData\Microsoft Studio\kas.exe'
Malicious functions:
Creates and executes the following:
  • C:\WinData\Microsoft Studio\kas.exe
Executes the following:
  • <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\dll.sys
  • C:\WinData\Microsoft Studio\kas.exe
Moves the following files:
  • from C:\WinData\Microsoft Studio\done.txt to C:\WinData\Microsoft Studio\dll-01.08.30_date-23.10.2012.sys
Network activity:
Connects to:
  • '<Private IP address>':0