Some security professionals claims that adware as PortalFlow app are utilizing misleading advertisements to market a trusted and valuable app but once downloaded, a substitute program like this one will surface on Mac system and utilize unnecessary changes. This type of strategy is common to nearly all potentially unwanted program (PUP) or Adware, the main purpose is that they were developed specifically to apply unnecessary changes on your browser program once installed. It attempts to deceive users by advertising itself as browser extension, which enhances browsing experience although the effects would be the latter.
PortalFlow is a malicious adware made for Mac users.
