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Win32.HLLW.Autoruner3.2271
Added to the Dr.Web virus database:
2020-05-03
Virus description added:
2020-05-04
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>:\update.exe
<Drive name for removable media>:\split.lnk
<Drive name for removable media>:\000814251_video_01.lnk
Malicious functions
Executes the following
'%WINDIR%\syswow64\taskkill.exe' /F /IM wscript.exe
'%WINDIR%\syswow64\taskkill.exe' /F /IM cmd.exe
Modifies file system
Creates the following files
Sets the 'hidden' attribute to the following files
<Drive name for removable media>:\update.exe
Miscellaneous
Searches for the following windows
ClassName: '' WindowName: ''
Creates and executes the following
'%TEMP%\update.exe'
'%WINDIR%\syswow64\taskkill.exe' /F /IM wscript.exe' (with hidden window)
'%WINDIR%\syswow64\taskkill.exe' /F /IM cmd.exe' (with hidden window)
'%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)
'<Full path to file>' ' (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
'<SYSTEM32>\taskeng.exe' {AC06243C-7DA1-4F1C-AB93-72EAC13C418F} S-1-5-21-1960123792-2022915161-3775307078-1001:bsgkiqvoehdc\user:Interactive:[1]
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