Notification-time.com (v1, v2, v3.notification-time.com etc) is counterfeit domain, that is used by scammers for advertising purposes. This website hosts and displays landing pages, that are shown via pop-ups, ads and browser notifications in Safari, Google Chrome, Mozilla Firefox and Internet Explorer. As a rule, users see redirects to Notification-time.com while visiting questionable websites with gambling or adult content. In this case, they can be blocked by special software like AdGuard (see instructions below). However, often, these ads can be caused by potentially unwanted applications (PUAs), adware, trojans installed in your system. If you experience Notification-time.com on a regular basis - this is your case.
QIP.ru is potentially unwanted third-party russian search engine and news website, powered by Yandex.ru. It infects user's computers along with QIP Surf browser, built on Chromium platform. It installs without user's permission and replaces default browser. QIP.ru is also spread separately in Google Chrome, Mozilla Firefox or Internet Explorer and replaces default search and homepage in this browsers.
MacPerformance is malicious application for MacOS, that belongs to OSX Pirrit adware family. It controls settings of Safari, Google Chrome, Mozilla Firefox to create redirects and display ads and pop-ups. It infiltrates Mac computers invisibly or by fraud and starts to generate advertisements, showing phishing pages, encouraging users to download potentially unwanted applications. Sometimes MacPerformance is offered to be installed in a bundle with good applications, and users, confused by the name of the program, think that this is optimisation software for MacOS, and allow installation.
Searchpage.com and SearchPage Tab is are, respectively, dubiuos search engine and browser add-on, that modifies search engine and homepage settings in Safari, Google Chrome, Mozilla Firefox and other browsers. It is also responsible for display of ads, pop-ups and notifications from Searchpage.com. This hijacker was developed by Iron Mountain Technology Limited, with headquaters situated in Hong Kong, as it is stated on their website. The site has a purely advertising purposes, having no value to the end user. Search requests typed in search box on the main page are redirected to search.yahoo.com.
Notification-browser.com (v1, v2, v3.notification-browser.com etc) is hazardous site, that displays ads, pop-ups and notifications in Safari, Google Chrome, Mozilla Firefox, Internet Explorer or Edge. If you see advertisements from Notification-browser.com while browsing certain sites, it means those sites use bad-quality advertising or they are hacked. This can be fixed by installing ad-blocking software, like AdGuard (see description below). If you see notifications from Notification-browser.com, it means website is allowed to show them in browser settings. In this situation, you need to check your PC for viruses and follow instructions below.