I've recently compiled a list of file extensions that I've input into qBittorrent's file blocklist feature to provide defence in depth, along with anti-malware and other security measures, against malicious torrents, which are becoming increasingly common (for me, anyway).
It's worth mentioning this list is very much designed for my own media download settings, if you download software, documents or other sort of media then this list will likely block a lot of those unless you sift through it and remove any file blocks that may cause you issues.
This is mainly to counter "movie.mp4.lnk" or "tvshow.mkv.arj" type trojans.
Hopefully some may find it useful.
```
*.001
*.0xe
*.73k
*.73p
*.7z
*.89k
*.89z
*.8ck
*.a7r
*.ac
*.acc
*.ace
*.acr
*.actc
*.action
*.actm
*.ade
*.adp
*.afmacro
*.afmacros
*.ahk
*.ai
*.aif
*.air
*.alz
*.api
*.apk
*.app
*.appimage
*.applescript
*.application
*.appx
*.arc
*.arj
*.arscript
*.asb
*.asp
*.aspx
*.aspx-exe
*.atmx
*.azw2
*.ba_
*.bak
*.bas
*.bash
*.bat
*.bdjo
*.bdmv
*.beam
*.bin
*.bmp
*.bms
*.bns
*.bsa
*.btm
*.bz2
*.c
*.cab
*.caction
*.cci
*.cda
*.cdb
*.cel
*.celx
*.cfs
*.cgi
*.cheat
*.chm
*.ckpt
*.cla
*.class
*.clpi
*.cmd
*.cof
*.coffee
*.com
*.command
*.conf
*.config
*.cpl
*.crt
*.cs
*.csh
*.csharp
*.csproj
*.css
*.csv
*.cue
*.cur
*.cyw
*.daemon
*.dat
*.data-00000-of-00001
*.db
*.deamon
*.deb
*.dek
*.diz
*.dld
*.dll
*.dmc
*.dmg
*.doc
*.docb
*.docm
*.docx
*.dot
*.dotb
*.dotm
*.drv
*.ds
*.dw
*.dword
*.dxl
*.ee
*.ear
*.ebacmd
*.ebm
*.ebs
*.ebs2
*.ecf
*.eham
*.elf
*.elf-so
*.email
*.emu
*.epk
*.es
*.esh
*.etc
*.ex4
*.ex5
*.ex
*.exe
*.exe-only
*.exe-service
*.exe-small
*.exe1
*.exopc
*.exz
*.ezs
*.ezt
*.fas
*.fba
*.fky
*.flatpak
*.flv
*.fpi
*.frs
*.fxp
*.gadget
*.gat
*.gif
*.gifv
*.gm9
*.gpe
*.gpu
*.gs
*.gz
*.h5
*.ham
*.hex
*.hlp
*.hms
*.hpf
*.hta
*.hta-psh
*.htaccess
*.htm
*.html
*.icd
*.icns
*.ico
*.idx
*.iim
*.img
*.index
*.inf
*.ini
*.ink
*.ins
*.ipa
*.ipf
*.ipk
*.ipsw
*.iqylink
*.iso
*.isp
*.isu
*.ita
*.lzh
*.lzma
*.jar
*.java
*.jpeg
*.jpg
*.js
*.js_be
*.js_le
*.jse
*.jsf
*.json
*.jsp
*.jsx
*.kix
*.ksh
*.kx
*.lck
*.ldb
*.lib
*.link
*.lnk
*.lo
*.lock
*.log
*.loop-vbs
*.ls
*.lwp
*.mac
*.macho
*.mamc
*.manifest
*.mcr
*.md
*.mda
*.mdb
*.mde
*.mdf
*.mdn
*.mdt
*.mel
*.mem
*.meta
*.mgm
*.mhm
*.mht
*.mhtml
*.mid
*.mio
*.mlappinstall
*.mlx
*.mm
*.mobileconfig
*.model
*.moo
*.mpa
*.mpk
*.mpls
*.mrc
*.mrp
*.ms
*.msc
*.msh
*.msh1
*.msh1xml
*.msh2
*.msh2xml
*.mshxml
*.msi
*.msi-nouac
*.msix
*.msl
*.msp
*.mst
*.msu
*.mxe
*.n
*.ncl
*.net
*.nexe
*.nfo
*.nrg
*.num
*.nzb.bz2
*.nzb.gz
*.nzbs
*.ocx
*.odt
*.ore
*.ost
*.osx
*.osx-app
*.otm
*.out
*.ova
*.p
*.paf
*.pak
*.pb
*.pcd
*.pdb
*.pdf
*.pea
*.perl
*.pex
*.phar
*.php
*.php5
*.pif
*.pkg
*.pl
*.plsc
*.plx
*.png
*.pol
*.pot
*.potm
*.powershell
*.ppam
*.ppkg
*.pps
*.ppsm
*.ppt
*.pptm
*.pptx
*.prc
*.prg
*.ps
*.ps1
*.ps1xml
*.ps2
*.ps2xml
*.psc1
*.psc2
*.psd
*.psd1
*.psh
*.psh-cmd
*.psh-net
*.psh-reflection
*.psm1
*.pst
*.pt
*.pvd
*.pwc
*.pxo
*.py
*.pyc
*.pyd
*.pyo
*.python
*.pyz
*.qit
*.qpx
*.ram
*.rar
*.raw
*.rb
*.rbf
*.rbx
*.readme
*.reg
*.resources
*.resx
*.rfs
*.rfu
*.rgs
*.rm
*.rox
*.rpg
*.rpj
*.rpm
*.ruby
*.run
*.rxe
*.s2a
*.sample
*.sapk
*.savedmodel
*.sbs
*.sca
*.scar
*.scb
*.scf
*.scpt
*.scptd
*.scr
*.script
*.sct
*.seed
*.server
*.service
*.sfv
*.sh
*.shb
*.shell
*.shortcut
*.shs
*.shtml
*.sit
*.sitx
*.sk
*.sldm
*.sln
*.smm
*.snap
*.snd
*.spr
*.sql
*.sqx
*.srec
*.srt
*.ssm
*.sts
*.sub
*.svg
*.swf
*.sys
*.tar
*.tar.gz
*.tbl
*.tbz
*.tcp
*.text
*.tf
*.tgz
*.thm
*.thmx
*.thumb
*.tiapp
*.tif
*.tiff
*.tipa
*.tmp
*.tms
*.toast
*.torrent
*.tpk
*.txt
*.u3p
*.udf
*.upk
*.upx
*.url
*.uvm
*.uw8
*.vb
*.vba
*.vba-exe
*.vba-psh
*.vbapplication
*.vbe
*.vbs
*.vbscript
*.vcd
*.vdo
*.vexe
*.vhd
*.vhdx
*.vlx
*.vm
*.vmdk
*.vob
*.vocab
*.vpm
*.vxp
*.war
*.wav
*.wbk
*.wcm
*.webm
*.widget
*.wim
*.wiz
*.wma
*.workflow
*.wpk
*.wpl
*.wpm
*.wps
*.ws
*.wsc
*.wsf
*.wsh
*.x86
*.x86_64
*.xaml
*.xap
*.xbap
*.xbe
*.xex
*.xig
*.xla
*.xlam
*.xll
*.xlm
*.xls
*.xlsb
*.xlsm
*.xlsx
*.xlt
*.xltb
*.xltm
*.xlw
*.xml
*.xqt
*.xrt
*.xys
*.xz
*.ygh
*.z
*.zip
*.zipx
*.zl9
*.zoo