What is the most common kind of spyware?

According to a report from cybersecurity firm Kaspersky, the most common kind of spyware is a trojan called "Trojan-Spy.  i thought about this Win32.Zbot." This trojan is used to steal sensitive information from infected computer systems, including login credentials, monetary info, and other individual data. This kind of spyware is generally spread out through phishing e-mails or contaminated websites. As soon as set up on a victim's computer system, the trojan can be used to remotely control the machine and collect information from it.