Win32/Bifrose.NEC is a backdoor Trojan that is found in many files. Win32/Bifrose.NEC is usually found in .exe files, however, it can also be detected in .rar files, which, once unpacked, seems to also be executable files. The full code of the file found as Win32/Bifrose.NEC is infected. Win32/Bifrose.NEC uses a large amount of system resources, and thus, slows down your PC performance. Win32/Bifrose.NEC can even completely crash your machine. Win32/Bifrose.NEC can also delete essential files that incorporate system drives. Uninstall Win32/Bifrose.NEC immediately after detection by using a recognized security tool.