Whats is Trojan Downloader?

A Trojan Downloader is a program that is usually installed through an exploit or some other erroneous channels. The key objective of this program is to download malevolent code or other malwares and unwanted softwares on the user’s system. Downloaders can also be written in script languages such as VB Script and Java Script. These programs often make use of Microsoft Internet Explorer vulnerabilities. A Trojan downloader, when executed, normally installs itself on to the system and waits for the user to connect to the Internet. Once the internet connection is available, it endeavors to connect to a web or ftp site, download specific file or files and run them. These downloaded files may harm the system and result in malfunctioning of the system.