There are several possible motivations for individuals to develop malware, including personal gain, political reasons, or simply the obstacle. Some people may be paid to create malware, either by criminal companies or by federal governments for espionage functions. Others may establish malware for full form of malware political reasons, looking for to cause harm to a specific group or nation. Some individuals may just enjoy the obstacle of developing malware and ransomware (the original source) that can evade detection and ransomware malware, read this blog article from intensedebate.com, cause damage.