How to remove Com.yhn4621.ujm0317 redirect virus

Easy tips to delete Com.yhn4621.ujm0317

Com.yhn4621.ujm0317 is a browser hijacker that alters the browsers’ preferences and prevents the users from changing them back. It ends up to system without users’ consent. Once landed, it changes the default homepage, new tab pages and search engine options and forces the users to visit a search engine of its choice. The appointed searching tool has the resemblance with some legit search engine like Google.com or alike, however, it is not more than a fake search engine that does not produce its own search results.

Fake web searchers redirect to some legit web searching tool to display search results. The result pages are often filled with various sponsored ads and links. You can’t restore the settings without removing Com.yhn4621.ujm0317 virus completely. The longer you surf the session with the hijacker virus’ promoting tool, the severe will be its ads become and hence the maximum change of yours falling for various scams, fake surveys and rewards claims – that is the main aim of any browser hijacking apps to promote various third party pages.

Keep reading this article and get the complete information on how to get your computer back on its previously safe condition.

Threat Summary

Name: Com.yhn4621.ujm0317

Threat Type: Browser hijacker, Redirect, Search hijacker, Toolbar, Unwanted New Tab

Affected browser settings: homepage, new tab URL and default search engine

Symptoms: Manipulated Internet browser settings (homepage, new tab page and default search engine). Users are forced to visit the hijackers’ website and search the Internet using their search engines

Distribution methods: Deceptive pop-up ads, free software installers (bundling), fake flash player installers

Damage: Internet browser tracking (potentially privacy issues), display of unwanted ads, redirects to dubious websites

Removal: To eliminate possible malware infections, scan your device with legitimate antivirus software or follow step-by-step manual malware removal instructions provided below the post

While browser hijackers are not considered as malicious malware, they are close to severity of malware like Trojan, Ransomware and etc. As already said, Com.yhn4621.ujm0317 browser hijacker will show search results from a site of its own choice. The result pages after the redirect end up to some legit web searchers as the promoted URL are the fake search engine, which is not capable of displaying its own search results. Even though, each and every result page has various sponsored ads from Com.yhn4621.ujm0317.

These ads pose threats because the PUPs developers only care about making money off of their victims. These ads might redirect you to some treacherous websites that could have malicious content like other PUAs, porn, malware, various scams, gambling, push notification viruses and etc. The browser hijacker has the feature to show the pages on demand as well. Thus, you may end up to these pages without clicking on those ads.

Lastly, Com.yhn4621.ujm0317 and all other browser hijackers have the general data tracking capability. They can track the data about the users’ browsing habits and the device. The details the app can get include the browser info, apps, search queries, browsing history, geo-locations and so on. These are used to design customized ads. This is why- it is highly recommended you to remove Com.yhn4621.ujm0317 immediately. You need to run a full system scan using some powerful tool and remove the PUA installed on the system.

Fake flash player and updaters often cause PUAs infection

The support for the Adobe Flash Player was discontinued from 31st of December, 2020. However, not all people have this news. These are the people to whom the crooks are exploiting. The company already suggested their users to uninstall the program. People have not doing that yet are receiving such a prompt urging them to install or update to the Flash Player. The prompts appear on various shady or hacked pages.

When you click on such prompts and install its content, you will end up with cyber-infection. The fake Flash Player may cause PUAs like Com.yhn4621.ujm0317 installation and can even lead to the hazardous malware download/ installation. Therefore, if you are receiving such a prompt or an add to install/ update your Flash Player, please close the tab immediately, clean your cookies with the system and never visit the portal again.

Antimalware Details And User Guide

Click Here For Windows Click Here For Mac

Important Note: This malware asks you to enable the web browser notifications. So, before you go the manual removal process, execute these steps.

Google Chrome (PC)

• Go to right upper corner of the screen and click on three dots to open the Menu button
• Select “Settings”. Scroll the mouse downward to choose “Advanced” option
• Go to “Privacy and Security” section by scrolling downward and then select “Content settings” and then “Notification” option
• Find each suspicious URLs and click on three dots on the right side and choose “Block” or “Remove” option

Google Chrome (Android)

• Go to right upper corner of the screen and click on three dots to open the menu button and then click on “Settings”
• Scroll down further to click on “site settings” and then press on “notifications” option
• In the newly opened window, choose each suspicious URLs one by one
• In the permission section, select “notification” and “Off” the toggle button

Mozilla Firefox

• On the right corner of the screen, you will notice three dots which is the “Menu” button
• Select “Options” and choose “Privacy and Security” in the toolbar present in the left side of the screen
• Slowly scroll down and go to “Permission” section then choose “Settings” option next to “Notifications”
• In the newly opened window, select all the suspicious URLs. Click on the drop-down menu and select “Block”

Internet Explorer

• In the Internet Explorer window, select the Gear button present on the right corner
• Choose “Internet Options”
• Select “Privacy” tab and then “Settings” under the “Pop-up Blocker” section
• Select all the suspicious URLs one by one and click on the “Remove” option

Microsoft Edge

• Open the Microsoft Edge and click on the three dots on the right corner of the screen to open the menu
• Scroll down and select “Settings”
• Scroll down further to choose “view advanced settings”
• In the “Website Permission” option, click on “Manage” option
• Click on switch under every suspicious URL

Safari (Mac):

• On the upper right side corner, click on “Safari” and then select “Preferences”
• Go to “website” tab and then choose “Notification” section on the left pane
• Search for the suspicious URLs and choose “Deny” option for each one of them

Manual Steps to Remove Com.yhn4621.ujm0317:

Remove the related items of Com.yhn4621.ujm0317 using Control-Panel

Windows 7 Users

Click “Start” (the windows logo at the bottom left corner of the desktop screen), select “Control Panel”. Locate the “Programs” and then followed by clicking on “Uninstall Program”

Windows XP Users

Click “Start” and then choose “Settings” and then click “Control Panel”. Search and click on “Add or Remove Program’ option

Windows 10 and 8 Users:

Go to the lower left corner of the screen and right-click. In the “Quick Access” menu, choose “Control Panel”. In the newly opened window, choose “Program and Features”

Mac OSX Users

Click on “Finder” option. Choose “Application” in the newly opened screen. In the “Application” folder, drag the app to “Trash”. Right click on the Trash icon and then click on “Empty Trash”.

In the uninstall programs window, search for the PUAs. Choose all the unwanted and suspicious entries and click on “Uninstall” or “Remove”.

After you uninstall all the potentially unwanted program causing Com.yhn4621.ujm0317 issues, scan your computer with an anti-malware tool for any remaining PUPs and PUAs or possible malware infection. To scan the PC, use the recommended the anti-malware tool.

How to Remove Adware (Com.yhn4621.ujm0317) from Internet Browsers

Delete malicious add-ons and extensions from IE

Click on the gear icon at the top right corner of Internet Explorer. Select “Manage Add-ons”. Search for any recently installed plug-ins or add-ons and click on “Remove”.

Additional Option

If you still face issues related to Com.yhn4621.ujm0317 removal, you can reset the Internet Explorer to its default setting.

Windows XP users: Press on “Start” and click “Run”. In the newly opened window, type “inetcpl.cpl” and click on the “Advanced” tab and then press on “Reset”.

Windows Vista and Windows 7 Users: Press the Windows logo, type inetcpl.cpl in the start search box and press enter. In the newly opened window, click on the “Advanced Tab” followed by “Reset” button.

For Windows 8 Users: Open IE and click on the “gear” icon. Choose “Internet Options”

Select the “Advanced” tab in the newly opened window

Press on “Reset” option

You have to press on the “Reset” button again to confirm that you really want to reset the IE

Remove Doubtful and Harmful Extension from Google Chrome

Go to menu of Google Chrome by pressing on three vertical dots and select on “More tools” and then “Extensions”. You can search for all the recently installed add-ons and remove all of them.

Optional Method

If the problems related to Com.yhn4621.ujm0317 still persists or you face any issue in removing, then it is advised that your reset the Google Chrome browse settings. Go to three dotted points at the top right corner and choose “Settings”. Scroll down bottom and click on “Advanced”.

At the bottom, notice the “Reset” option and click on it.

In the next opened window, confirm that you want to reset the Google Chrome settings by click on the “Reset” button.

Remove Com.yhn4621.ujm0317 plugins (including all other doubtful plug-ins) from Firefox Mozilla

Open the Firefox menu and select “Add-ons”. Click “Extensions”. Select all the recently installed browser plug-ins.

Optional Method

If you face problems in Com.yhn4621.ujm0317 removal then you have the option to rese the settings of Mozilla Firefox.

Open the browser (Mozilla Firefox) and click on the “menu” and then click on “Help”.

Choose “Troubleshooting Information”

In the newly opened pop-up window, click “Refresh Firefox” button

The next step is to confirm that really want to reset the Mozilla Firefox settings to its default by clicking on “Refresh Firefox” button.

Remove Malicious Extension from Safari

Open the Safari and go to its “Menu” and select “Preferences”.

Click on the “Extension” and select all the recently installed “Extensions” and then click on “Uninstall”.

Optional Method

Open the “Safari” and go menu. In the drop-down menu, choose “Clear History and Website Data”.

In the newly opened window, select “All History” and then press on “Clear History” option.

Delete Com.yhn4621.ujm0317 (malicious add-ons) from Microsoft Edge

Open Microsoft Edge and go to three horizontal dot icons at the top right corner of the browser. Select all the recently installed extensions and right click on the mouse to “uninstall”

Optional Method

Open the browser (Microsoft Edge) and select “Settings”

Next steps is to click on “Choose what to clear” button

Click on “show more” and then select everything and then press on “Clear” button.

Conclusion

In most cases, the PUPs and adware gets inside the marked PC through unsafe freeware downloads. It is advised that you should only choose developers website only while downloading any kind of free applications. Choose custom or advanced installation process so that you can trace the additional PUPs listed for installation along with the main program.