diff --git a/defuse.sh b/defuse.sh
new file mode 100644
index 0000000..bc92ef9
--- /dev/null
+++ b/defuse.sh
@@ -0,0 +1,129 @@
+#!/bin/bash
+
+# This is a precompiled libos.so used as a drop-in replacement because default
+# installations of Red Star OS 3.0 Desktop do not include GCC.
+#
+# sha256sum: 8661c311a18cb7a8be4624a9930c88b3a0f43d734bcafb26f9ea15651cda2800
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+
+check_euid(){
+    if [ "$(id -u)" != 0 ]; then
+    	echo "You need root privileges to run this script!"
+		exit 1
+    fi
+}
+
+disable_selinux(){
+	setenforce 0
+    sed -i'.bak' '/kernel \/boot\/vmlinuz-2.6.38.8-24.rs3.0.i686/ s/$/ selinux=0/' /boot/grub/grub.conf
+}
+
+disable_rtscan(){
+    echo -e "import fcntl\nfcntl.ioctl(open('/dev/res', 'wb'), 29187)" | python
+}
+
+replace_libos(){
+	echo "$LIBOS" | base64 -d > /usr/lib/libos.so.0.0.0
+	rm /usr/lib/libos.so.0
+	ln -s /usr/lib/libos.so.0.0.0 /usr/lib/libos.so.0
+}
+
+remove_autostarts(){
+	mv /usr/share/autostart/scnprc.desktop /usr/share/autostart/scnprc.desktop.bak 2>/dev/null
+    mv /etc/init/ctguard.conf /etc/init/ctguard.conf.bak 2>/dev/null
+}
+
+main(){
+	check_euid
+
+    echo "Disabling SELinux"
+	disable_selinux
+	
+    echo "Killing securityd"
+	killall -9 securityda 2>/dev/null
+    
+    echo "Disabling rtscan"
+	disable_rtscan
+
+    echo "Killing scnprc and opprc"
+	killall scnprc opprc 2>/dev/null
+
+    echo "Replacing libos"
+	replace_libos
+
+    echo "Disabling scnprc autostart"
+    remove_autostarts
+
+	echo "Done. Please press Return to reboot the system."
+	read -r
+	reboot
+}
+
+main