Really? I have seen a few sectumsempra Malfoids on the Instagram.
I don't think I've counted them beyond single digits, but there were some.

Sigfried666 said in comment #2638339:

Really? I have seen a few sectumsempra Malfoids on the Instagram.
I don't think I've counted them beyond single digits, but there were some.

There is indeed quite a few, you can see most of ones posted on danbooru with tags malfoid blood -nosebleed