Viral Downloader is made by ADX Fuel. There is no account and no in-app chat, so email is the channel.
[email protected] — bugs, feature requests, a link that will not resolve. Include your Android version and the app version from Settings.
[email protected] with the subject DMCA notice. The DMCA page lists what a valid notice must contain.
[email protected] with the subject Privacy request to ask what the resolver has logged about your use of the service, or to have it deleted. See the privacy policy for what is and is not kept.
Same address. We read everything.