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Win32.HLLW.Autoruner3.2023
Added to the Dr.Web virus database:
2020-02-18
Virus description added:
2020-02-19
Technical Information
To ensure autorun and distribution
Creates or modifies the following files
Creates the following files on removable media
<Drive name for removable media>:\systemupdatewindows.exe
<Drive name for removable media>:\correct.lnk
<Drive name for removable media>:\000814251_video_01.lnk
Modifies file system
Creates the following files
%APPDATA%\systemupdatewindows.exe
Sets the 'hidden' attribute to the following files
<Drive name for removable media>:\systemupdatewindows.exe
Miscellaneous
Creates and executes the following
'%WINDIR%\syswow64\schtasks.exe' /Delete /tn NYAN /F' (with hidden window)
'%WINDIR%\syswow64\schtasks.exe' /create /tn NYAN /tr "<Full path to file>" /sc minute /mo 1' (with hidden window)
Executes the following
'%WINDIR%\syswow64\schtasks.exe' /Delete /tn NYAN /F
'%WINDIR%\syswow64\schtasks.exe' /create /tn NYAN /tr "<Full path to file>" /sc minute /mo 1
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