diff --git a/CyrillicFilters/common-sections/adservers_firstparty.txt b/CyrillicFilters/common-sections/adservers_firstparty.txt
index 3042bffff3a..c2ad7020322 100644
--- a/CyrillicFilters/common-sections/adservers_firstparty.txt
+++ b/CyrillicFilters/common-sections/adservers_firstparty.txt
@@ -6,6 +6,7 @@
 ! Bad: /banner.jpg (should be in general_url.txt)
 ! Bad: ||legitwebsite.com^$third-party (should be in adservers.txt)
 !
+||ad.cub.red^
 ||vst.videolink.host^
 ||exad.smi2.ru^
 ||tgb.hsmedia.ru^$third-party