Tjboapp is a type of malware that infects computers by disguising itself as a legitimate application or software program. It can be downloaded unknowingly by users when they visit malicious websites, click on infected links, or download files from unreliable sources. Once installed on a computer, Tjboapp can steal sensitive information, track user activity, display unwanted advertisements, and slow down system performance. It is important for users to practice safe browsing habits, use reputable antivirus software, and regularly update their system to prevent Tjboapp and other malware infections.