Trojan:Win32/Rzstreetcrypt is a type of malicious software that is designed to infect computers and steal sensitive information. It can spread through various methods, such as email attachments, infected websites, or removable storage devices. Once installed on a computer, Trojan:Win32/Rzstreetcrypt can perform a variety of harmful actions, such as logging keystrokes, stealing login credentials, and downloading additional malware. It is important to have strong antivirus software installed on your computer to protect against threats like Trojan:Win32/Rzstreetcrypt.