What is the most common kind of spyware?

According to a report from cybersecurity firm Kaspersky, the most common type of spyware is a trojan called "Trojan-Spy. Win32.Zbot." This trojan is used to steal delicate info from contaminated computer systems, including login qualifications, financial info, and other personal information. This type of spyware is typically spread through phishing e-mails or contaminated sites.  https://zerogov.net/?p=1387 Once set up on a victim's computer system, the trojan can be used to from another location manage the machine and collect data from it.