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Win32.HLLW.Autoruner3.2651
Added to the Dr.Web virus database:
2020-10-13
Virus description added:
2020-10-15
Technical Information
To ensure autorun and distribution
Modifies the following registry keys
[<HKLM>\Software\Microsoft\Windows\CurrentVersion\Run] 'rundll32_16480_toolbar' = '%TEMP%\425.tmp\Enu.bat'
Changes the following executable system files
Creates the following files on removable media
<Drive name for removable media>:\enu.bat
<Drive name for removable media>:\autorun.inf
Modifies file system
Creates the following files
%TEMP%\425.tmp\enu.bat
%WINDIR%\migration\enu.bat
%WINDIR%\modemlogs\enu.bat
%WINDIR%\offline
%WINDIR%\panther\enu.bat
%WINDIR%\pchealth\enu.bat
%WINDIR%\performance\enu.bat
%WINDIR%\pla\enu.bat
%WINDIR%\policydefinitions\enu.bat
%WINDIR%\csc\enu.bat
%WINDIR%\prefetch\enu.bat
%WINDIR%\remotepackages\enu.bat
%WINDIR%\resources\enu.bat
%WINDIR%\schcache\enu.bat
%WINDIR%\schemas\enu.bat
%WINDIR%\security\enu.bat
%WINDIR%\serviceprofiles\enu.bat
%WINDIR%\setup\enu.bat
%WINDIR%\shellnew\enu.bat
%WINDIR%\logs\enu.bat
%WINDIR%\microsoft.net\enu.bat
%WINDIR%\livekernelreports\enu.bat
%WINDIR%\l2schemas\enu.bat
%WINDIR%\inf\enu.bat
C:\enu.bat
C:\autorun.inf
D:\enu.bat
D:\autorun.inf
<Current directory>\pathhost
%WINDIR%\addins\enu.bat
%WINDIR%\appcompat\enu.bat
%WINDIR%\apppatch\enu.bat
%WINDIR%\softwaredistribution\enu.bat
%WINDIR%\registration\enu.bat
%WINDIR%\branding\enu.bat
%WINDIR%\debug\enu.bat
%WINDIR%\digitallocker\enu.bat
%WINDIR%\downloaded
%WINDIR%\ehome\enu.bat
%WINDIR%\en-us\enu.bat
%WINDIR%\globalization\enu.bat
%WINDIR%\help\enu.bat
%WINDIR%\ime\enu.bat
nul
%WINDIR%\cursors\enu.bat
%WINDIR%\speech\enu.bat
Miscellaneous
Executes the following
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\425.tmp\Enu.bat""
'<SYSTEM32>\reg.exe' add "hklm\Software\Microsoft\Windows\CurrentVersion\Run" /v "rundll32_16480_toolbar" /t "REG_SZ" /d "%TEMP%\425.tmp\Enu.bat" /f
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