diff --git a/firefox-regional/fanboy-adblocklist-krn.txt b/firefox-regional/fanboy-adblocklist-krn.txt
index af2d7e7cb..b2a0a1153 100644
--- a/firefox-regional/fanboy-adblocklist-krn.txt
+++ b/firefox-regional/fanboy-adblocklist-krn.txt
@@ -1,5 +1,5 @@
 [Adblock]
-! Checksum: r5aytnpZ81KIxQxDowAazw
+! Checksum: rtvLqHlGoTrgruSr5STHCA
 ! Fanboy's Korean-addon Adblock list 
 ! Version: 023A Updated: 1 Jan 2010
 ! This list expires after 5 days
@@ -187,7 +187,10 @@ ytn.co.kr##IMG[width="700"][height="90"]
 ||bloter.net/banner/
 ||cctoday.co.kr/ad/
 ||cdnetworks.co.kr^$third-party
+||chosun.com/ad/
+||chosun.com/banner/*$object
 ||chosun.com/google_tag/
+||chosun.com/banner/subr/r_enter.htm
 ||cjmooter.com/?
 ||click.mgoon.com^$image
 ||contentlink.co.kr^