[Georgio]

Код:

@echo off

for /f "tokens=*" %%a in ('2^>nul dir/a-d/b/l') do (
 set name=%%a
 call set "name=%%name:(=%%"
 call set "name=%%name:)=%%"
 call set "name=%%name:!=%%"
 cmd/v/c ren "%%a" "!name:%%=!"
)

exit/b