Unfortunately, you are not able to change the IObit Malware Fighter skin. All you are enabled to do is to change the transparency of the application.(Settings > User interface > Transparency).
A free antivirus protecting your computer against all kinds of malware.
Protects your computer from viruses, spyware, ransomware, and other malware.
Detects and blocks viruses, spyware, worms and Trojan horses.
Unfortunately, you are not able to change the IObit Malware Fighter skin. All you are enabled to do is to change the transparency of the application.(Settings > User interface > Transparency).