update uBlockOrigin/uBlock-issues#3461 (reply in thread)

filters/badware.txt

@@ -6100,6 +6100,7 @@ uploadfox.net###ad-gs-05
 /unsub/unsub^$doc
 /unsub_sent.php|$doc,method=post
 /^https?:\/\/www\.[a-z]{9,20}\.com\/o-[a-z]{4}-[a-z]\d6-[a-f0-9]{32}\b/$doc,match-case,to=com
+/^https?:\/\/[a-z]+\.[a-z]{4,}\/oop\/\d+_md(?:\/\d+){5}\b/$doc,match-case
 ##html > body.hold-transition.theme-primary.bg-img[style^="background-image"][style*="wallpaperaccess.com"][style*="background-repeat"][style*="background-size"]
 ##html > body > div.container > form#unsubscribe-form[onsubmit="submitUnsubscribeForm(event)"]
 ##html > body > div.content > dl > dd.dd1 > div.min_sider > form#form1[action="unsubscribe.php"]