Over time, the file name transcended its status as simple malware and entered the realm of internet legend. Similar to the "Smile.jpg" or "Grifter" myths, "Roughman Injection.avi.rar" is sometimes discussed in paranormal or "lost media" forums.
If you see this file on a site that doesn't specialize in video content, it is almost certainly a virus. Roughman Injection.avi.rar