Win32.downloader.gen is stubborn and dangerous Trojan horse detected by antivirus program like MSE, Spyhunter, Malwarebytes etc.
Win32.downloader.gen can technically be deemed as a Trojan horse virus. It is extremely dangerous for your computer. Once it gets inside, this Trojan horse is able to change the settings of your computer to take control your machine. Without your permission, Win32.downloader.gen stealthily start a backdoor downloading under your computer with things like Trojan horse, worm, adware, and other malicious things. Gradually, you will find that the perform speed of your computer turns slower and slower, and the system becomes very unstable.
If there has something significant and private in your computer which you do not want other people touch. I’m afraid that Win32.downloader.gen can easily take any data and information from your computer no matter how secure it is.