Safesear.ch may appear on your browser instead of default search engine due to browser hijacker impact. Even though it looks like other popular search engines, Safesear.ch was created not for searching but for advertising. A browser hijacker may collect users’ personal data and transfer them to third-parties in order to display advertisement based on interests.
If you are constantly seeing a pop-up window with Wellhello.com, then you picked up an adware. As a rule, adware gets on your computer along with free programs and is installed automatically without notice. Initially, it makes changes to the System Registry and then to browser configuration to make new tabs pop up from time to time.
If Kalolo.ru shows up when you launch the browser then your system is infected with adware. The adware is, in fact, harmless in itself, but it can bring a lot of problems by causing redirects. It does not appear on your computer by accident, this adware usually spreads via bundling as a part of the freeware.
Nine.com.au may become your homepage and refuse to get deleted. If this happened, then your system is infected with browser hijacker. No, it’s not a virus, but its activity is really irritating.
H34rtBl33d is yet another ransomware-type virus that locks personal files. It is noteworthy that word “Heart Bleed” is hidden in the name of the virus. Also, instead of usual ransom note, it displays its demands using system notification’s feature – BalloonTips.