Most spyware is installed without the user’s knowledge or approval. When installed, the spyware monitors user activity on the Internet and transmits that information to another person or entity. Some spyware programs can track the user’s keystrokes, gather personal details (such as credit card numbers and passwords), and even record conversations.
Some spyware is installed as part of a Trojan horse program or other destructive software. For instance, a user might be deceived into clicking on a link that downloads spyware onto their computer. As soon as set up, the spyware can monitor web surfing activity and even record personal details.
Many anti-virus programs can eliminate and find spyware. However, due to the fact that malware ransomware spyware (Check This Out) can be set up without the user’s understanding or approval, it can be challenging to detect and remove.