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Adware programs work like virus programs do, except they focus on looking for executable programs that are listed in a database of potential harmful programs that display ads and slow down the PC in some way or another. Adware program creators research the Internet and find what new programs are created to work as adware, and they write code that recognizes this type of file and deletes it. It is just like you search for a file in Windows Explorer, and when you find it, you delete the file manually. Well adware programs do the same thing, but do it automatically. [br][br]The precise way the program works is like this. Every executable program has a time and date stamp. This tells the system when the file was created and when it was modified. This stamp also includes information about file size and what the name of the file is. [br][br]The adware program reads the stamp and compares what it finds in its database, or definition file as it is also called. If there is a match, the adware program deletes the file from the hard drive. [br][br]Adware programs also have a functionality where they install a part of the program, or a module, into memory. This module stays in memory until you shut the computer off. While the small bit of code stays in memory, it runs in the background and monitors everything that is downloaded by checking the connection. If the code spots a program downloading, the module will check the stamp in the program to see if it is one of those programs listed in the definition file. If it is, the file is either deleted with a warning message about the deletion, or the file is downloaded and then deleted from the hard drive. If the file that is downloaded is a shareware program with an adware program included with it, the module will read the file until it finds the stamp that corresponds to another file (when an adware program is attached to an already existing file, another stamp is created at the end of the present file and then the new file is added). When the adware eliminator sees the adware program included in the shareware program, the adware eliminator may delete only the adware program and allow the rest of the program to download, or it may let the entire program download, and remove only the adware program afterward. [br]

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