Hacktools are specially crafted tools to perform malicious or illicit activities, such as controlling botnets, mining bitcoins, triggering Denial-of-Service attacks and bruteforcing passwords. Those tools most of the time hidden in the filesystem and were installed among with other malicious code throug a vulnerability or an already compromised server.
Any vulnerable PHP based website. Outdated software or compromised passwords can act as an infection vector.
Since hacktools are encoded to avoid detection or to bypass antivirus tools, inspect your site's files looking for eval() functions on files that you don't recognize. Also you can sign up with us and let our team remove the malware for you.