![]() ![]() The Unicode character is U+202E: Right-to-Left Override, and it forces programs to display text in reverse order. However, there are other ways people can disguise the file extension.ĭubbed the “Unitrix” exploit by Avast after it was used by the Unitrix malware, this method takes advantage of a special character in Unicode to reverse the order of characters in a file name, hiding the dangerous file extension in the middle of the file name and placing a harmless-looking fake file extension near the end of the file name. If you always tell Windows to show file extensions (see below) and pay attention to them, you may think that you’re safe from file-extension-related shenanigans. Disguising File Extensions With The “Unitrix” Exploit Windows also hides file extensions by default, which is another way novice users can be deceived – a file with a name like will appear as a harmless JPEG image file. ![]()
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