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Win32.HLLW.Autoruner2.26340

Added to the Dr.Web virus database: 2016-10-27

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'Explorer.exe "<Full path to file>"'
  • [<HKCU>\Software\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'Explorer.exe "<Full path to file>"'
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
  • hidden files
Executes the following:
  • '%WINDIR%\regedit.exe' /s %TEMP%\aaa.reg
Modifies file system:
Creates the following files:
  • %TEMP%\aaa.reg
Deletes the following files:
  • %TEMP%\aaa.reg
Miscellaneous:
Searches for the following windows:
  • ClassName: 'RegEdit_RegEdit' WindowName: ''
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