The string in question matches the first two types: baiting users with adult video content, then prompting installation.
The initial file might have been corrupted during the download. i waaa176mosaicjavhdtoday05082023015854 install
Some "HD" video downloaders save files with these timestamps. The string in question matches the first two
The string you provided appears to be a highly specific file name or database entry, likely related to a specialized piece of software or a specific media file metadata tag from May 8, 2023. i waaa176mosaicjavhdtoday05082023015854 install
To avoid ever encountering such threats: