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Suggestion: extension blacklist for security reasons (user-defined) #9657

shula opened this Issue Oct 7, 2018 · 0 comments


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shula commented Oct 7, 2018

(This is a totally different motivation for issue 3369.)

If a user downloads only known files (e.g. audio/video), it is wise to block pontentially dangerous extensions, e.g. EXE, COM, BAT, LNK, VBS, (PY?), on Windows, etc.

~Less savvy users can't easily spot a ponetial threat, e.g. Matrix.avi <> Matrix.avi.exe

Background: some multimedia content is bundeled with trojans, e.g. "" or a malware executable disguised as multinmedia file. Attached screenshot is actual video file I downloaded today.

IF a user would never download an executable via torrent, this could be so blocked by a predefined or user-defined block list, (e.g.: EXE, COM, BAT, VBS, VBE, JS, CMD, PY, CPL, DLL, LNK, SCR).

In the screenshots below:
Windows hides LNK extension, a trojan disguised as AVI video, that can't be easily identified via Windows Explorer:


Originally posted by @shula in #3369 (comment)

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