It sounds like you are referring to copyright. Copyright is the exclusive right to control creative works created by the author, copyright owner and performer for a specific period governed under the Copyright Act 1987. MyIPO offers copyright notification through Copyright Voluntary Notification System.
You may also want to consider registering your graphic design as a trade mark. A trade mark is used to distinguish your goods or services from those of other traders. When you register a trade mark you obtain exclusive use of the trade mark throughout Malaysia.