No one well informed in their right mind would run software that only displayed privacy violating internet ads. Similarly no one sane and well informed would want software to embed internet ad rendering code surreptitiously or directly.
Software is payware or not-payware. There is no middle ground held by malware. The COST of using adware is violated privacy, less processing power, and less bandwidth. Adware is SELF EVIDENTLY NOT freeware nor free in any sense of the word.
Malware is software that violates the user in one or more ways.
ALL adware is malware BY DEFINITION
Anyone claiming otherwise is ignorant, evil, or delusion.
real-freeware includes Open Source, a complex movement that offers code out of selflessness.
ALL installers using opencandy adware IS MALWARE -- and especially nefarious as it runs with admin rights.
A program that either downloads itself to your machine without permission, or bundled with other software, that secretly spies on you in order to direct advertising at you.
Can be removed with Ad Aware or Spybot Search and Destroy