diff --git a/RussianFilter/sections/adservers_firstparty.txt b/RussianFilter/sections/adservers_firstparty.txt
index eed48b30811..b4a8f539ab3 100644
--- a/RussianFilter/sections/adservers_firstparty.txt
+++ b/RussianFilter/sections/adservers_firstparty.txt
@@ -1,6 +1,7 @@
 !
 ! Section contains the list of advertising networks, which are hosted on non advertising sites as subdomains
 !
+||b.1istochnik.ru^
 ||afbanner.kinobomber3.online^
 ||easy.au.ru^
 ||sc.livetvcdn.net^
diff --git a/RussianFilter/sections/specific.txt b/RussianFilter/sections/specific.txt
index f1f51f85c04..9b03d44a560 100644
--- a/RussianFilter/sections/specific.txt
+++ b/RussianFilter/sections/specific.txt
@@ -16,6 +16,7 @@
 !+ NOT_PLATFORM(ios, ext_safari, ext_android_cb)
 Ly9hbi55YW5kZXgucnUv
 !
+1istochnik.ru##.pi-bn-box
 kushvsporte.ru##a[href^="/component/banners/"]
 forum.watch.ru##.frm_blocker+iframe
 ||forum.watch.ru/clientscript/dl_*.