diff --git a/assets/ublock/mirror-candidates.txt b/assets/ublock/mirror-candidates.txt
index 69568a8e0..dc7067313 100644
--- a/assets/ublock/mirror-candidates.txt
+++ b/assets/ublock/mirror-candidates.txt
@@ -31,3 +31,11 @@ platform.twitter.com
 # Ref: http://www.asp.net/ajax/cdn
 ajax.aspnetcdn.com
     ^ajax\.aspnetcdn\.com\/ajax\/[^?#]+
+
+# Ref: https://tech.yandex.ru/jslibs/
+yastatic.net
+    ^yastatic\.net\/(?:angularjs|backbone|bootstrap|d3|dojo|ext-core|highlightjs|json2|jquery|jquery-ui|mochikit|modernizr|mootools|prototype|raphael|righjs|scriptaculous|swfobject|underscore|lodash)\/
+    
+#same as yastatic, deprecated domain but still widely used    
+yandex.st
+    ^yandex\.st\/(?:angularjs|backbone|bootstrap|d3|dojo|ext-core|highlightjs|json2|jquery|jquery-ui|mochikit|modernizr|mootools|prototype|raphael|righjs|scriptaculous|swfobject|underscore|lodash)\/