Have not found contact information. Therefore, I am posting it here. No response required, for the file is deleted on my server.
Just for your information, cleaner_2.10.php has found an infection in this location; maybe it helps.
This plugin does not contain cleaner_2.10.php
You should tighten your security rules for your website.
Change folders to 0755 and files to 0666 after installation/upgrade.
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