The program may not be associated with viruses but it has been known to install adware or spyware onto computers that are infected with these programs. The name of the download helper itself also gives some indication that this may be dangerous if you see 'Download Helper' as the name of a program on the start menu or if there's a part called' Download Manager' then you might want to run a virus scan on the computer before installing the Download Helper application. Some versions of the download helper program are detected by some paid antivirus scanners as possibly being a false-front website that is designed to steal personal information. It's a small browser add-on and it usually gets loaded onto web browsers automatically.
Video DownloadHelper is a program for automatically downloading video files from the internet, using Windows Explorer.
