Files are NOT password protected inside the archive but there is = added to their extensions. xxx File Extension virus, or. xoza' extension for each file. A remote file upload vulnerability is a vulnerability where an application uses user input to fetch a remote file from a site on the Internet and store it locally. EXE) and scripts files to. Therefore, please read below to decide for yourself whether the mrtstub. They don't block any file extensions that are executable and the files are just uploaded to the D:\ Drive. Bora File Extension Ransomware from Windows 7, Delete. The attacker crafts a malicious Power Shell script. Unfortunately, hackers can abuse the fact that users don’t see the full file extension or the fact that they recognize the file’s icon and trick victims into downloading and executing malicious files that seem legitimate to the untrained eye.