Option ID 999999 is just used as a placeholder of sorts since the PharmaHack creates its own Database options.
If you select the View checkbox next to the PharmaHack you will see this cleanup help info:
Pharma Hack cleanup/removal steps
Edit your theme’s header.php file and delete this code: <!--?php include 'nav.php'; ?-->
Delete this file in your theme’s root folder: nav.php
Login to your web host control panel, login to your WP Database using phpMyAdmin and delete these DB option name Rows below from the DB Table and Column shown above. Note: You may or may not see all of these DB option name Rows so just delete any that you do see.
wp_check_hash
class_generic_support
widget_generic_support
ftp_credentials
fwp
rss_7988287cd8f4f531c6b94fbdbc4e1caf
rss_d77ee8bfba87fa91cd91469a5ba5abea
rss_552afe0001e673901a9f2caebdd3141d