Nfd.optisection.net

Nfd.optisection.net is an unreliable website that through the use of related adware and browser hijackers, may display a fake pop-up notification such as 'FLV Video Downloader is required to download online video player - Notice! Please update your FLV Player' with the aim to distribute various potentially unwanted programs (PUPs) and other security threats to a PC. Nfd.optisection.net-associated security infections such as browser hijackers and adware that may compromise a Web browser and modify the default browser settings. The main purpose of the creators of Nfd.optisection.net may be to make computer users visit questionable websites to increase traffic of the doubtful website that may show unwanted advertisements and gain benefit from clicks on ads. Browser hijackers and adware may change search terms with pre-defined websites, which are different from the intended ones, so all search results in any major search provider may get repeatedly redirected to misleading websites including Nfd.optisection.net. If the computer user clicks on the 'OK' button of them message from Nfd.optisection.net, he may agree to install various PUPs on the PC.