Latest-Update.info pop-up is categorized as potentially unwanted program. This program has been designed for creating several types of complexities for the user and the user can not do a single task easily on their system because of this malicious program. It can affect almost all the browsers like Internet Explorer, Mozilla Firefox, Google Chrome, Bing etc.
HTML/Fifex.A extension is a hazardous browser hijacker and potentially unwanted program. This adware is mostly bundled with custom installers and is brought to the user's PC during the installation process. So, you should immediately remove HTML/Fifex.A .
SofotiProjects.com is classified as malicious browser hijacker that displays pop-up ads on its web pages, suggesting user, that 'an update is recommended' for an outdated version of software. However, when the user follows the link, will get only malware installed on PC.