Web.longfintuna.net is not a virus or malware related items, but if you see Web.longfintuna.net pop-up ads displaying on your web browser, you are probably getting some PUP (Potentially Unwanted Program) installed on your computer, for instance web browser add-on. Very often cyber criminals use adware and PUPs, malicious websites to show advertisements on compromised computers in names of tracking websites, such as Web.longfintuna.net, Adserv.Quiklinx.net, Ad.xtendmedia.com to make quick money. Web.longfintuna.net is known to install to a computer and attach to an internet browser without consent from the computer user or under their inadvertently conscious. It is distributed via two means, one is via the implanted tracking cookies on some websites, and the pop-ups claiming from Web.longfintuna.net only display only when you land on the website that cooperate with Web.longfintuna.net, and the other way is to change your host files in order to let Web.longfintuna.net displaying ads no matter when you go. Obviously the latter one is more annoying and acting malicious. It is also not safe to keep Web.longfintuna.net appearing on your computer because it invades the privacy on compromised computer. When the adware settled on your computer, it may push Web.longfintuna.net to display unwanted advertisements in the form of pop-ups of new window, and even let Web.longfintuna.net to collect personal information about the computer user’s browsing activities, such as browser history in order to display preciously targeted advertisements. How to remove Web.longfintuna.net Pop-up Virus?