I installed PopUp Pro yesterday with Global network activation.
I just received the following wordfence malware alert:
"This email was sent from your website "prairiegardenoils" by the Wordfence plugin.
Wordfence found the following new issues on "prairiegardenoils".
Alert generated at Friday 24th of October 2014 at 01:24:59 AM Critical Problems:
* File contains suspected malware URL: /home/usingess/public_html/wp-content/plugins/popover/inc/rules/class-popup-rule-referrer.php
I've provided support access.