Quivisi.com is a browser hijacker that infects Chrome, Internet Explorer and Firefox to change browser`s settings such as a home page and default search engine on quivisi.com.
Technically, quivisi.com hijacker is not a virus, but the virus behaves similarly. As a virus, it changes browser settings and can to block them from changing. Also quivisi.com can install additional malicious addons, extensions and modules that will display advertising banners and popups.
How does a computer get infected with quivisi.com browser hijacker.
Quivisi.com is an one of many similar adware programs. Usually it infects computer through the use a free programs or rather it is embedded in the installation package, so when you will install a free program that you need, this adware will be installed automatically too. Most commonly quivisi.com is bundled within the installation packages from Softonic, Cnet, Soft32, Brothersoft or other similar web sites. So, read term of use and user agreement very carefully before installing any software or otherwise you can end up with a quivisi.com or other adware software on your PC.
Symptoms of quivisi.com infection.
- quivisi.com hijack your web browser homepage or default search engine.
- Popup ads on your screen.
- Poor PC performance.
- Internet may be slow.
- Antivirus detects an infections, such as adware, pup, malware, troan viruses, worms, ransomware etc.
How to remove quivisi.com hijacker.
Step 1. Uninstall quivisi.com.
Step 2. Remove quivisi.com adware with AdwCleaner.
Step 3. Scan your computer with Malwarebytes Anti-malware to remove quivisi.com associated files and registry keys.
Step 1. Uninstall quivisi.com.
Click Start button 
.
Next, click Click Control Panel as shown below.
You will see a window like below.
Click Uninstall a program 
It will open a list of all programs. Scroll down, select quivisi and click Uninstall. Most important, scroll through the all list, and uninstall any unknown programs.
Follow the prompts.
Step 2. Remove quivisi.com with AdwCleaner.
Download ADWCleaner from the link below.
Save it to desktop. Once finished, you will see a icon like below.
Double click the ADWCleaner desktop icon. Once this tool is started, you will see a screen like below.
Press Start button to perform a system scan. Once ADWCleaner has finished, it will open a scan report as shown below.
Review the report and then click Cleaning button. It will display a prompt.
Click OK. When the cleaning process is finished, ADWCleaner may ask you to reboot your computer.
When your PC is started, you will see an ADWCleaner log.
Step 3. Scan your computer with Malwarebytes Anti-malware to remove quivisi.com associated files and registry keys.
Download MalwareBytes Anti-malware (MBAM) from the link below.
MalwareBytes Anti-malware download link
Once downloaded, close all programs and windows on your computer.
Double-click on the icon on your desktop named mbam-setup.
This will start the installation of MalwareBytes Anti-malware onto your computer. Once installation is complete, you will see window similar to the one below.
Now click on the Scan Now button to start scanning your computer. This procedure can take some time, so please be patient.
When the scan is finished, make sure all entries have “checkmark” and click Remove Selected button. MalwareBytes Anti-malware will start the quivisi.com removal process. Once disinfection is completed, you may be prompted to Restart.
Your system should now be free of the quivisi.com hijacker. If you need help with the instructions, then post your questions in our Spyware Removal forum.
