Hackers and pirates use intitle:index.of commands to find unprotected folders containing movies, software, or ebooks. Searching for index of mkv is a classic "Google dork" (advanced search operator) designed to find open directories.
A file labeled 3_idiots.mkv.exe is an executable script, not a video. index of mkv 3 idiots install
“Index of /mkv/3_idiots/install: A Postmodern Exploration of Download Culture” Hackers and pirates use intitle:index
: Always look at the end of the downloaded file. If it is a movie, it should never end in .exe , .bat , or .zip . it should never end in .exe