What is the most common type of spyware?

According to a report from cybersecurity company Kaspersky, the most common type of spyware is a trojan called "Trojan-Spy. Win32.Zbot." This trojan is used to take sensitive info from infected computer systems, including login qualifications, monetary details, and other individual information.  https://9tolife.co.uk/?p=1267 This type of spyware is normally spread out through phishing e-mails or contaminated websites. When set up on a victim's computer, the trojan can be used to remotely control the machine and gather data from it.