windows defender worm jemxcus is reported as a worm which is really dangerous to your computer system. Most of the time, you can get it install onto your PC with the help of freeware or shareware. What's more, if you have visited or browsed malicious links or pop-up ads that you are not familiar, your PC may be infected as well. It is dangerous to click on junk email attachments or removable device which may contain malware.
After this worm sneaking into your PC, it will make modifications of your system settings. Your registry entries will be messed up by it and it will fully control your whole operating system. What's more, it computer threat is able to duplicate itself and its malicious files so as to infect your files and system easily. The worst thing is that as your PC become more and more weak, other infections will get into your PC without your approval. At that time, your whole system will be crash down. Meanwhile, your sensitive information will be collected by cyber criminals and they will make use of it to steal your money or send it to commercial companies to get profits.