BugsFighter

Captcha-verification.systems is an untrustworthy and even dangerous website, that uses technical features of modern browsers (Google Chrome, Mozilla Firefox, Edge, Safari) to push ads, pop-ups and notifications to users desktops. In particular, notifications function in those browsers, which was invented and developed for convenience on news and video sites, is exploited by third-party advertising cloacas, like Captcha-verification.systems and similar, for delivering unwanted and fairly annoying ads directly to the desktop. Often, this is a result of virus infection, but sometimes website just tricks users changing the settings by using deceptive phrases.

Searchmarquis.com or Search Marquis is search site, that causes undesired consequences in browsers. The hijacker can infect Safari, Google Chrome or Mozilla Firefox on macOS. After infiltration, it modifies settings of the homepage and search engine to http://www.searchmarquis.com. This is intermediary search page with minimalistic design, as you can see in the picture below, that redirects typed queries to Yahoo.com, Bing.com, Baidu, Yandex.ru, depending on the geolocation of the user. The principle of operation of Searchmarquis.com is based on hijacking browsers, referring traffic to affiliate search systems and getting a revenue share. Along with that website has a poor privacy policy and can collect browsing data and sell it to advertising companies.

Segurazo Antivirus or just Segurazo is rogue security application for Windows, that may show false results in order to mislead users and make them buy licence. It firstly appeared in summer of 2019, and was spread via software keygens, game mods and torrent downloads. The program has generated a surge in complaints and messages from users on various computer forums. Among main issues of Segurazo are: problems with uninstalling the application, false scan results, aggressive alert system. Segurazo installs and runs several Windows services, that can't be stopped even with administrator account. It also uses countdown, that won't allow you to click "Yes" and confirm removal during 60 seconds. Finally, fake antivirus requires PC restart to remove its residual data. On our test virtual machine along with viruses Segurazo detected some false positives. Keeping in mind all these facts, we can make the conclusion, that Segurazo is oviously potentially unwanted program (PUP).

Mac Fixer Pro is typical fake optimization app for macOS, that is installed without users consent. It performs fast computer scan and always detects serious issues. Then it actively forces users to buy a license, by showing pop-up reminders and playing creepy voice scripts. Mac Fixer Pro always finds problems, even on brand new machines. Such deceptive programs use similar technical and visual patterns to extort money from users. Rogue apps hiddenly infiltrate Mac systems and get access to critical parts of the OS. Keeping Mac Fixer pro can lead to not only financial loss but also overall privacy and security issues.

DuckDuckGo.com is a search engine, that prioritizes users privacy and tries to provide best results and not depending on users interests and browser and search history. It can be installed in Google Chrome, Mozilla Firefox, Safari on Windows and Mac. Often, DuckDuckGo.com is accompanied with an add-on, called DuckDuckGo Privacy Essentials. This extension is available in Chrome Store and in Firefox Add-ons catalog. This extension sets up https://www.duckduckgo.com as default search engine and sometimes as homepage. The add-on also ads sites security checking feature and sites privacy analyze. The complete removal of DuckDuckGo.com website from settings is impossible without DuckDuckGo Privacy Essentials uninstallation. Below you can find step-by-step instructions to remove DuckDuckGo.com.com from browsers and reset browser settings.

TamperMonkey by Jan Biniok is controversial browser extension, that can be installed in many browsers, including Google Chrome, Mozilla Firefox, Safari, Opera, Microsoft Edge, Internet Explorer and some others. It allows users to install and maintain custom scripts in browsers, that can serve different purposes. For example, it may help download music and video content from social networks or filter ads. TamperMonkey also works in symbiosis with other popular plugins to perform certain tasks or expand functionality. However, along with pros users get unpleasant cons. In particular, many users complain, that TamperMonkey installs without their consent. Some users see third-party ads after installing this add-on. Generally, there are concerns about the security and privacy of this application, as it gets access to deep internal browser settings and has a large user database of 10 million users.

TotalRecipeSearch Toolbar by Ask Applications is objectionable browser extension, that is mostly distributed on Google Chrome and Mozilla Firefox platforms on Windows and Mac. But, in a particular case can be met on Safari, Edge or Internet Explorer. It is a part of the wide-spread Mindspark network, that consists of hundreds of typical toolbars and browser add-ons. Such "browser helper objects" replace default search engine and homepage in affected browsers with hp.myway.com search engine. The main page of this website provides quick access to recipe catalogs, but the basic search engine provides results stuffed by ads and sponsored results, although it is marked as "enhanced by Google". The earning on advertising revenue from in-search ads is a type of monetization TotalRecipeSearch Toolbar uses. In addition, adware gathers access to browsers information, such as history, cookies, settings.

OneSafe PC Cleaner belongs to the class of programs called "system optimizers". Such utilities have functionality similar to the wide-range of reputable PC cleaning programs like CCleaner, Advanced System Cleaner and others. However, OneSafe PC Cleaner intentionally shows exxagarated amount of problems on your computer or even false positives (issues, that don't even exist on your machine). If ignored, potentially unwanted program starts to display pop-ups on your desktop with haunting call to fix found issues. Of course, error solving is paid. Aside from that, users complain about uninstalling OneSafe PC Cleaner completely, as it leaves persistent module on their PCs after regular uninstall.