Security Warning in our malware scanner

Hiya friends, WooRewards Pro customer here.

Our security scanner picked up these 2 files in the WooRewards directory. Could you take a look and see if they’re supposed to be there and why they would trigger a ‘backdoor’ warning? (Screenshot included below)

Malware Warnings

File Path: /wp-content/plugins/woorewards/modules/woorewards-pro/include/pointsflow/action.php
Warning: php.backdoor.file_get_contents.005

File Path: /wp-content/plugins/woorewards/modules/woorewards-pro/include/ui/shortcodes/easteregg.php
Warning: php.backdoor.generic.001.19

Thank you,