My computer is just infected with this Pr.comet.yahoo.com Infection. I have run my antivirus to kill the infection, but it seems no work, as every time when I restart back my computer, and open the Chrome, Pr.comet.yahoo.com is still showing as the homepage. The original start page is Google, but it was changed somehow without my permission. Many popup ads and banners coming from this site keeps displaying. How to remove Pr.comet.yahoo.com Infection?

What’s Pr.comet.yahoo.com Infection?

If you see Pr.comet.yahoo.com popping up on your computer, it will say that your computer now is especially infected with a browser hijack or virus infection. Browser hijacker always pops up on the browser as soon as you run the browser as the homepage or start page. It usually infected web browsers like Internet Explorer, Chrome, Firefox and Safari on Windows 7, 8 and 10 and your Mac OS devices. It aims to promotes some products by popping the advertisement banners and some flash video to attract you to click on it. it takes over the whole web browser, changes the default settings, alter the homepage aggressively without your permission. And it even adds some malware, extension, add-on or plugin into the web browser. So as soon as you run the web browser, this Pr.comet.yahoo.com pops up immediately and other malicious programs and extension will also run at the same time. This browser infection can be treated a platform to promote sponsor’s products, different discount items, deals, coupons and even spyware or rogue program. One click may soon install malware, spyware or rogue program into system without your permission. Many computer infections will mess up and damage computer system.

How Damage will Be Caused by Pr.comet.yahoo.com Infection

This browser hijacker infection seems no harmful except popping up unwanted ads, but actually it is some kind of media to bring other malware, spyware, Trojan Horse, virus or ransomware into the system. Usually browser hijacker like Pr.comet.yahoo.com infection is designed and spread by cyber criminals in order to target more computers. And those popup ads The easiest way to get into targeted computer is through popup ads. Cyber hacker put the Pr.comet.yahoo.com infection files into popup, and once attractive popup display on website, some inexperienced internet user may click on it, then virus or malware sneak into system. Many threats risk will eat up system resource take up all system capacity and rise up CPU usage percentage. And meanwhile, internet speed will soon slow down. The most obvious symptom is that web browser loads too slow, new tab can’t be opened properly even can’t access the website or DNS server is changed already. computer performance will start to become slow. If you perform many tasks like editing Word Excel files, browsing online, opening video or watching movie or playing game, computer easily gets stuck even crash down. if you can’t clean out this Pr.comet.yahoo.com infection and other computer threat, computer will become more and more sluggish.

Symptoms Caused by Pr.comet.yahoo.com Hijacker

-Can change your homepage or the default search engine and it totally prevents you from changing them back

-Can always redirect you to other websites

-Can pop up various advertisements and sponsored links randomly to interrupt your online activities

-Can create many junk files which occupy a lot of space in hard drive

-Can download other malicious programs into computer, which make further damage.

-Can collect and send data concerning your search history and other browsing activities.

-Your sensitive information can be tracked and stolen by hacker who can access to your computer with the help of browser hijacker.

NOTE: If you find any of these symptoms on your computer, that proves your PC is under attack and seriously infected with Pr.comet.yahoo.com infection hijacker. If you are not a computer savvy, Please contact YooSecurity Online PC Experts to remove this browser hijacker for you.

How to Remove Pr.comet.yahoo.com Infection (Manual Removal Guide For Computer Literate)

There is a removal guide of Pr.comet.yahoo.com infection provided here; however, expertise is required during the process of removal, please make sure you are capable to do it by yourself.

Step 1: Press CTRL, SHIFT and ESC  these three keys together at the same time to pull up Windows Task Manager; click Processes tab on top and scroll down the list to find and end odd processes related to this Pr.comet.yahoo.com hijacker. Names of the processes are random.

Step 2: Open Control Panel from Start Menu, then open Programs, click on Uninstall a program. Find suspicious programs or tool-bars related to the Pr.comet.yahoo.com hijacker. Right click on it and select Uninstall.

Step 3: Go to Folder Options in Control Panel, select the View tab, and then mark “Show hidden files, folders, and drivers” and unmark “Hide protected operating system files” (Recommended) and then click Apply or OK.

Step 4: Go to Registry Editor to delete the path of the related items with the Pr.comet.yahoo.com infection.

Step 5: Clear all history, data and cookies of your infected web browser.

Pr.comet.yahoo.com infection has the ability to insert into web browser and spy on user’s online activities, so it is suggested to delete all history, data and cookies of the infected web browser before a complete removal. Take Internet Explorer for example:

a. From the “Tool” menu button in the upper-right corner of the Internet Explorer window, choose “Safety” > “Delete browsing history…“.

b. Then tick Cookie and website data and History, click Delete.

Step 6: Change your homepage of the infected web browser (Take Internet Explorer as Example)

From the Navigation toolbar in Internet Explorer, click Tools menu and select Internet Options, then click General tab, and input the URL you want into the Home page box and then click OK.

Similar Video Guide on Browser Hijacker Removal:

Conclusion:

Pr.comet.yahoo.com is not a normal Web page and a useful search tool. web browser will first perform improperly. Browser often gets stuck, hang or unresponsive. DNS server settings of some websites are changed and you’re blocked to access the site.  Strange and unexpected toolbars, bookmarks, add-ons will stay on your web browser. When you’re browsing online, you will be disturbed by tons of endless irrelevant pop-ups. But you don’t click on any of them as your computer system can be attacked by more other virus or malware. Pr.comet.yahoo.com infection also has a bad effect on computer performance. It will slow down performance of computer, which will let computer run slower than before. Your computer may get hang or frozen for some time while you runs many programs or perform many tasks at the same time. even worse, this browser hijacker can assist cyber hackers to collect your personal information stored on the Internet and computer disk in order to gain more illegal benefits. Please get rid of this browser hijacker as soon as possible before any damages and data loss caused by it.

Suggestion: To follow removal guide that mentioned above, a level of computer knowledge is needed. Still can’t get out of browser hijacker? Contact online experts for help now!

Published by Matt Johnston & last updated on January 23, 2018 8:12 am

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