There are some torrrents showing up with .lnkextension (ex: movie.mp3.lnk, tvshow.mkv.lnk…) and automated software (Sonarr, Radarr, Lidarr, qBittorrent RSS Downloader) could pick those torrents (but not import).
These (fake) torrents include a .lnk file that executes a script on your Windows
HOW TO exclude from download on qBittorrent.
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Go to Options -> Downloads
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Enable “Exclude file names”
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Add patterns:
(one by line)
*.mp4.lnk
*.mp3.lnk
*.mkv.lnk
*.torrent.lnk
*.zipx
*.scr
*.arj
*.lzh
Or exclude all together: *.lnk
Example on VirusTotal https://www.virustotal.com/gui/file/e74f64df6ebaf3a1b6e3f42591eb6e87d2ac2828eb5a99fd8d3d82c140137fc9/detection
.lnk files are less than 4kb
That would seem suspicious. I’m sure they have some way to pad out the size.
Anyone paying attention to size would probably also notice they’re just .lnk files.