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Win32.HLLW.Autoruner3.5880

Added to the Dr.Web virus database: 2022-10-07

Virus description added:

Technical Information

To ensure autorun and distribution
Modifies the following registry keys
  • [<HKLM>\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] 'avsp' = '<SYSTEM32>\avsp.exe'
  • [<HKLM>\SOFTWARE\Classes\exefile\shell\open\command] '' = 'svch0st.exe "%1" %*'
Creates the following files on removable media
  • <Drive name for removable media>:\love.exe
  • <Drive name for removable media>:\important.exe
  • <Drive name for removable media>:\aaa.exe
  • <Drive name for removable media>:\autorun.inf
Modifies file system
Creates the following files
  • %WINDIR%\syswow64\avsp.exe
  • %WINDIR%\syswow64\svch0st.exe
  • C:\aaa.exe
  • C:\autorun.inf
  • D:\aaa.exe
  • D:\autorun.inf
  • C:\avsp.exe
Sets the 'hidden' attribute to the following files
  • %WINDIR%\syswow64\avsp.exe
  • %WINDIR%\syswow64\svch0st.exe
  • C:\aaa.exe
  • C:\autorun.inf
  • D:\aaa.exe
  • D:\autorun.inf
  • <Drive name for removable media>:\aaa.exe
  • <Drive name for removable media>:\autorun.inf
  • C:\avsp.exe
Miscellaneous
Creates and executes the following
  • '%WINDIR%\syswow64\avsp.exe'
  • '%WINDIR%\syswow64\avsp.exe' ' (with hidden window)
Executes the following
  • '%WINDIR%\syswow64\explorer.exe' .\