Add a switch for creating a cleanup rc file

modules/exploits/windows/local/registry_persistence.rb

@@ -51,6 +51,8 @@ class Metasploit4 < Msf::Exploit::Local
         [false, 'The name to use for storing the payload blob. (Default: random)' ]),
       OptString.new('RUN_NAME',
         [false, 'The name to use for the \'Run\' key. (Default: random)' ]),
+      OptBool.new('CREATE_RC',
+        [false, 'Create a resource file for cleanup', true]),
     ], self.class)
   end
 
@@ -181,7 +183,9 @@ class Metasploit4 < Msf::Exploit::Local
     print_status('Installing run key')
     install_cmd(cmd, cmd_reg, root_path)
 
-    create_cleanup(root_path, blob_reg_key, blob_reg_name, cmd_reg, new_key)
+    if datastore['CREATE_RC']
+      create_cleanup(root_path, blob_reg_key, blob_reg_name, cmd_reg, new_key)
+    end
   end
 end