I did find this one but i a not sure is its cleanI prefer Robin image optimize which is completely free and does the same job : https://wordpress.org/plugins/robin-image-optimizer/ they created the plugin to compete Imagify and others API based plugins
They also have a pro version to add WebP rendering but i can't find it nulled!
I think it's not good because it's api based limitations !I did find this one but i a not sure is its clean
virustotal check
No it doesn't work, even if you modify that file.whats the name of this file?