Trkur4.com POP-UP Redirect
Written by Tomas Meskauskas on (updated)
What is trkur4.com?
Identical or very similar to rementoolsr.club, secassingly.club, livestream123.info and many others, trkur4.com is a rogue website that redirects visitors to other untrustworthy (potentially malicious) sites. Visitors generally arrive at trkur4.com inadvertently - potentially unwanted applications (PUAs) force users to visit it.
In most cases, PUAs infiltrate systems without users' knowledge and, in addition to the aforementioned redirects, deliver intrusive advertisements and gather information.
Once a potentially unwanted application is installed, it forces browsers to open a new tab or window and redirects users to trkur4.com, which then redirects to additional (about two or three) other untrustworthy websites that might be malicious and cause high-risk computer infections.
Another downside of PUAs is intrusive ads (coupons, banners, surveys, pop-ups, etc.) that are displayed using tools that enable placement of third party graphical content on any visited website. These unwanted ads can be really frustrating, since they often conceal underlying content of legitimate websites.
Furthermore, ads delivered by PUAs often redirect users to potentially malicious/untrustworthy websites or execute scripts that download and install other unwanted applications. Most PUAs also collect user-system information. The targeted information typically includes IP addresses, keystrokes, visited websites, geo-locations, search queries, and so on.
The collected data might contain personal or sensitive information that is shared with third parties (potentially cyber criminals) and used to generate revenue.
These actions could put your privacy and browsing safety at risk or even lead to identity theft. Research shows that, once installed, some potentially unwanted applications perform background tasks/processes that might cause a significant reduction in computer performance. Therefore, we recommend that you uninstall all PUAs immediately.
| Name | trkur4.com pop-up |
| Threat Type | Adware, Unwanted ads, Pop-up Virus |
| Symptoms | Seeing advertisements not originating from the sites you are browsing. Intrusive pop-up ads. Decreased Internet browsing speed. |
| Distribution methods | Deceptive pop-up ads, free software installers (bundling), fake flash player installers. |
| Damage | Decreased computer performance, browser tracking - privacy issues, possible additional malware infections. |
| Malware Removal (Windows) | To eliminate possible malware infections, scan your computer with legitimate antivirus software. Our security researchers recommend using Combo Cleaner. |
In summary, most potentially unwanted applciations are virtually identical and share the same purpose - to generate venue for their developers by performing the above actions. PUPs developers typically offer "useful" features and tools, however, in most cases, these programs provide none of the functionality promised and deliver no real value for regular users.
How did adware install on my computer?
Potentially unwanted applications typically have official websites from which they can be downloaded, however, most users install them unintentionally when a deceptive marketing method called "bundling" is used or through intrusive ads. Bundling is stealth installation of PUPs with regular software that is ad-supportive or free.
Developers hide bundled applications/programs in "Custom", "Advanced" and other options/settings of the installation processes.
PUAs installations are often not properly disclosed and thus users are tricked into installing them inadvertently. In some cases, potentially unwanted applications are installed when a third party software downloader/installer is used to download or install software.
How to avoid installation of potentially unwanted applications?
Avoid using third party software downloaders/installers and torrents as sources to download or install software. Use official and trustworthy sources only.
Do not skip installation steps without first checking "Custom"/"Advanced" settings. Opt-out of all unwanted offers (in this case, potentially unwanted applications) and only then finish the installation (or proceed to the next step). Be cautious when browsing the web, especially when clicking online ads.
It is often difficult to determine if ads are legitimate, since malicious ad developers invest time in money in their design. If after clicking an ad you are redirected to an untrustworthy website (such as gambling, pornography, adult dating, etc.), close the window or tab immediately and check your browser extensions, plug-ins, and add-ons for any suspicious entries.
The same applies to installed programs on your computer. If your computer is already infected with rogue applications, we recommend running a scan with Combo Cleaner Antivirus for Windows to automatically eliminate them.
Instant automatic malware removal:
Manual threat removal might be a lengthy and complicated process that requires advanced IT skills. Combo Cleaner is a professional automatic malware removal tool that is recommended to get rid of malware. Download it by clicking the button below:
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Quick menu:
- What is trkur4.com?
- STEP 1. Uninstall adware applications using Control Panel.
- STEP 2. Remove adware from Internet Explorer.
- STEP 3. Remove rogue plug-ins from Google Chrome.
- STEP 4. Remove adware-type extensions from Mozilla Firefox.
- STEP 5. Remove malicious extensions from Safari.
- STEP 6. Remove rogue plug-ins from Microsoft Edge.
Adware removal:
Windows 11 users:
Right-click on the Start icon, select Apps and Features. In the opened window search for the application you want to uninstall, after locating it, click on the three vertical dots and select Uninstall.
Windows 10 users:
Right-click in the lower left corner of the screen, in the Quick Access Menu select Control Panel. In the opened window choose Programs and Features.
Windows 7 users:
Click Start (Windows Logo at the bottom left corner of your desktop), choose Control Panel. Locate Programs and click Uninstall a program.
macOS (OSX) users:
Click Finder, in the opened screen select Applications. Drag the app from the Applications folder to the Trash (located in your Dock), then right click the Trash icon and select Empty Trash.
In the uninstall programs window, look for any potentially unwanted applications, select these entries and click "Uninstall" or "Remove".
After uninstalling the potentially unwanted application that causes trkur4.com redirects, scan your computer for any remaining unwanted components or possible malware infections. To scan your computer, use recommended malware removal software.
Remove adware from Internet browsers:
Video showing how to remove potentially unwanted browser add-ons:
Remove malicious add-ons from Internet Explorer:
Click the "gear" icon 
(at the top right corner of Internet Explorer), select "Manage Add-ons". Look for any recently-installed suspicious browser extensions, select these entries and click "Remove".
Optional method:
If you continue to have problems with removal of the trkur4.com pop-up, reset your Internet Explorer settings to default.
Windows XP users: Click Start, click Run, in the opened window type inetcpl.cpl In the opened window click the Advanced tab, then click Reset.
Windows Vista and Windows 7 users: Click the Windows logo, in the start search box type inetcpl.cpl and click enter. In the opened window click the Advanced tab, then click Reset.
Windows 8 users: Open Internet Explorer and click the gear icon. Select Internet Options.
In the opened window, select the Advanced tab.
Click the Reset button.
Confirm that you wish to reset Internet Explorer settings to default by clicking the Reset button.
Remove malicious extensions from Google Chrome:
Click the Chrome menu icon 
(at the top right corner of Google Chrome), select "More tools" and click "Extensions". Locate all recently-installed suspicious browser add-ons and remove them.
Optional method:
If you continue to have problems with removal of the trkur4.com pop-up, reset your Google Chrome browser settings. Click the Chrome menu icon (at the top right corner of Google Chrome) and select Settings. Scroll down to the bottom of the screen. Click the Advanced… link.
After scrolling to the bottom of the screen, click the Reset (Restore settings to their original defaults) button.
In the opened window, confirm that you wish to reset Google Chrome settings to default by clicking the Reset button.
Remove malicious plug-ins from Mozilla Firefox:
Click the Firefox menu 
(at the top right corner of the main window), select "Add-ons". Click "Extensions", in the opened window, remove all recently-installed suspicious browser plug-ins.
Optional method:
Computer users who have problems with trkur4.com pop-up removal can reset their Mozilla Firefox settings.
Open Mozilla Firefox, at the top right corner of the main window, click the Firefox menu, in the opened menu, click Help.
Select Troubleshooting Information.
In the opened window, click the Refresh Firefox button.
In the opened window, confirm that you wish to reset Mozilla Firefox settings to default by clicking the Refresh Firefox button.
Remove malicious extensions from Safari:
Make sure your Safari browser is active, click Safari menu, and select Preferences....
In the opened window click Extensions, locate any recently installed suspicious extension, select it and click Uninstall.
Optional method:
Make sure your Safari browser is active and click on Safari menu. From the drop down menu select Clear History and Website Data...
In the opened window select all history and click the Clear History button.
Remove malicious extensions from Microsoft Edge:
Click the Edge menu icon 
(at the upper-right corner of Microsoft Edge), select "Extensions". Locate all recently-installed suspicious browser add-ons and click "Remove" below their names.
Optional method:
If you continue to have problems with removal of the trkur4.com pop-up, reset your Microsoft Edge browser settings. Click the Edge menu icon (at the top right corner of Microsoft Edge) and select Settings.
In the opened settings menu select Reset settings.
Select Restore settings to their default values. In the opened window, confirm that you wish to reset Microsoft Edge settings to default by clicking the Reset button.
- If this did not help, follow these alternative instructions explaining how to reset the Microsoft Edge browser.
Summary:
Commonly, adware or potentially unwanted applications infiltrate Internet browsers through free software downloads. Note that the safest source for downloading free software is via developers' websites only. To avoid installation of adware, be very attentive when downloading and installing free software. When installing previously-downloaded free programs, choose the custom or advanced installation options – this step will reveal any potentially unwanted applications listed for installation together with your chosen free program.
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Outstanding!
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