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Dz4Link.com Virus

Also Known As: Ads by dz4Link.com
Type: Adware
Damage level: Medium

Dz4link[.]com redirect removal instructions

What is dz4link[.]com?

dz4Link[.]com is a URL shortener, a website designed to transform long links into short links. This website presents the opportunity for people to make money by creating these links. The site is not malicious, however, it causes various pop-up ads and redirects to other dubious, potentially malicious websites. Furthermore, dz4Link[.]com uses various advertising networks. Therefore, websites of this type should be avoided.

dz4link[.]com pop-up redirects

Clicking ads displayed by this website can cause redirects to untrustworthy websites or download/installation of rogue, potentially malicious applications. Furthermore, clicking links on this site (or simply using its features/functions) causes redirects to other dubious websites or opens various pop-up windows. Some of these websites and windows ask (or encourage) users to show notifications. Some of these sites do not load until permission to show notifications is given. Allowing dubious pages to show notifications usually results in being served with advertisements, irrelevant and annoying notifications, and so on. Clicking them often leads to dubious, possibly malicious websites or unwanted downloads/installations. Note that pages such as dz4Link[.]com also cause redirects to scam websites used to extort money from people by encouraging them to purchase potentially unwanted apps or use paid services. They are used to promote various tech-support scams, display fake virus/error notifications, and so on. Trusting these rogue web pages can lead installation of unwanted software and financial loss. For these reasons, we recommend against the use of pages such as dz4Link[.]com.

Threat Summary:
Name Ads by dz4Link.com
Threat Type Push notifications ads, Unwanted ads, Pop-up ads.
Serving IP Address 173.249.35.21
Observed Domains android.dz4link.com, app.dz4link.com, www.dz4link.com
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, potentially unwanted applications (adware).
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.
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There are many websites very similar to dz4Link[.]com including, for example, savefrom[.]net, youtubnow[.]com, and flvto[.]biz. Typically, these sites use advertising networks and feed users/visitors with advertisements, open dubious pages, and so on. To avoid unwanted installations and computer infections, do not to use these site and do not grant permission to allow them show notifications.

How did adware install on my computer?

People often cause unwanted downloads and installations unintentionally by clicking intrusive, deceptive advertisements or downloading and installing software without checking the settings. Many people download unwanted apps together with other software when developers use a deceptive marketing method called "bundling". To trick people, they bundle/include unwanted apps with software set-ups and do not disclose this information properly. They hide these rogue apps in "Custom", "Advanced" and other similar sections. When people download or install software without checking or changing setup settings, they often inadvertently download/install unwanted apps.

How to avoid installation of potentially unwanted applications?

Use official sources (websites) to download software. This does not include third party downloaders, unofficial pages, Peer-to-Peer networks (torrent clients, eMule etc.), and other untrustworthy sources. Never skip setup steps when downloading or installing software. Check "Custom", "Advanced" and other similar settings/options, and dismiss offers to install or download anything you do not require. Only then finish the setup. Intrusive ads, specially if displayed on untrustworthy websites, redirect to deceptive, dubious websites such as gambling, adult dating, pornography, and so on. These advertisements should not be trusted/clicked. If you experience these ads or unwanted redirects, check your browser for unwanted, unknown apps such as extensions, add-ons, and plug-ins and remove them. These programs are installed on the operating system and should also be uninstalled. If your computer is already infected with rogue applications, we recommend running a scan with Combo Cleaner Antivirus for Windows to automatically eliminate them.

Screenshot of a dubious website opened by dz4link[.]com asking to download a file:

website opened by dz4link.com encouraging to download a questionable file

Screenshot of a website opened by dz4link[.]com encouraging visitors to download a dubious application:

dz4link[.]com opens website encouraging to download questionable app

Appearance of a pop-up window opened through dz4link[.]com asking to show notifications:

pop-up window opened by dz4link[.]com asking to show notifications

Appearance of a notification displayed by a website opened through dz4link[.]com:

notification showed by a page opened through dz4link[.]com

IMPORTANT NOTE! This deceptive site asks to enable web browser notifications.

Therefore, before commencing, perform these steps:

Google Chrome (PC):

  • Click the Menu button (three dots) on the right upper corner of the screen
  • Select "Settings", scroll down to the bottom and click "Advanced"
  • Scroll down to the "Privacy and security" section, select "Content settings" and then "Notifications"
  • Click three dots on the right hand side of each suspicious URL and click "Block" or "Remove" (if you click "Remove" and visit the malicious site once more, it will ask to enable notifications again)

Disable pop-up' notifications in Google Chrome web browser

Google Chrome (Android):

  • Click on the Menu button (three dots) on the right upper corner of the screen and click "Settings"
  • Scroll down, click on "Site settings" and then "Notifications"
  • In the opened window, locate all suspicious URLs and click on them one-by-one
  • Select "Notifications" in the "Permissions" section and set the toggle button to "OFF"

Disable pop-up' notifications in Android Google Chrome web browser

Mozilla Firefox:

  • Click the Menu button (three bars) on the right upper corner of the screen
  • Select "Options" and click on "Privacy & Security" in the toolbar on the left hand side of the screen
  • Scroll down to the "Permissions" section and click the "Settings" button next to "Notifications"
  • In the opened window, locate all suspicious URLs, click the drop-down menu and select "Block"

Disable pop-up' notifications in Mozilla Firefox web browser

Internet Explorer:

  • Click the Gear button on the right upper corner of the IE window
  • Select "Internet options"
  • Select the "Privacy" tab and click "Settings" under "Pop-up Blocker" section
  • Select suspicious URLs under and remove them one by one by clicking the "Remove" button

Disable pop-up' notifications in Internet Explorer web browser

Microsoft Edge:

  • Click the menu button (three dots) on the right upper corner of the Edge window
  • Scroll down, find and click "Settings"
  • Scroll down again and click "View advanced settings"
  • Click "Manage" under "Website permissions"
  • Click the switch under each suspicious website

Disable pop-up' notifications in Microsoft Edge web browser

Safari (Mac):

  • Click "Safari" button on the left upper corner of the screen and select "Preferences..."
  • Select the "Websites" tab and then select "Notifications" section on the left pane
  • Check for suspicious URLs and apply the "Deny" option for each

Disable pop-up' notifications in Safari web browser

Instant automatic malware removal: Manual threat removal might be a lengthy and complicated process that requires advanced computer 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:

Adware removal:

Windows 7 users:

Accessing Programs and Features (uninstall) in Windows 7

Click Start (Windows Logo at the bottom left corner of your desktop), choose Control Panel. Locate Programs and click Uninstall a program.

Windows XP users:

Accessing Add or Remove Programs in Windows XP

Click Start, choose Settings and click Control Panel. Locate and click Add or Remove Programs.

Windows 10 and Windows 8 users:

Accessing Programs and Features (uninstall) in Windows 8

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.

Mac OSX users:

Uninstall app in OSX (Mac)

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.

dz4link[.]com adware uninstall via Control Panel

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 dz4link[.]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:

Internet Explorer logoRemove malicious add-ons from Internet Explorer:

Removing dz4link[.]com ads from Internet Explorer step 1

Click the "gear" icon Internet Explorer options 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".

Removing dz4link[.]com ads from Internet Explorer step 2

Optional method:

If you continue to have problems with removal of the ads by dz4link.com, 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.

Resetting Internet Explorer settings to default on Windows XP

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.

Resetting Internet Explorer settings to default on Windows 7

Windows 8 users: Open Internet Explorer and click the gear icon. Select Internet Options.

Reseting Internet Explorer settings to default in Windows 8 - accessing

In the opened window, select the Advanced tab.

Resetting Internet Explorer settings to default on Windows 8 - Internet options advanced tab

Click the Reset button.

Resetting Internet Explorer settings to default on Windows 8 - click the Reset button in the Internet options advanced tab

Confirm that you wish to reset Internet Explorer settings to default by clicking the Reset button.

Resetting Internet Explorer settings to default on Windows 8 - confirm settings reset to default by clicking the reset button

Google Chrome logoRemove malicious extensions from Google Chrome:

Removing dz4link[.]com  ads from Google Chrome step 1

Click the Chrome menu icon Google 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.

Removing dz4link[.]com  ads from Google Chrome step 2

Optional method:

If you continue to have problems with removal of the ads by dz4link.com, reset your Google Chrome browser settings. Click the Chrome menu icon Google 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.

Google Chrome settings reset step 1

After scrolling to the bottom of the screen, click the Reset (Restore settings to their original defaults) button.

Google Chrome settings reset step 2

In the opened window, confirm that you wish to reset Google Chrome settings to default by clicking the Reset button.

Google Chrome settings reset step 3

Mozilla Firefox logoRemove malicious plug-ins from Mozilla Firefox:

Removing dz4link[.]com ads from Mozilla Firefox step 1

Click the Firefox menu firefox menu icon (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.

Removing dz4link[.]com ads from Mozilla Firefox step 2

Optional method:

Computer users who have problems with ads by dz4link.com removal can reset their Mozilla Firefox settings.

Open Mozilla Firefox, at the top right corner of the main window, click the Firefox menu, firefox menu icon in the opened menu, click Help.

Accessing settings (Reset Firefox to default settings step 1)

Select Troubleshooting Information.

Accessing Troubleshooting Information (Reset Firefox to default settings step 2)

In the opened window, click the Refresh Firefox button.

Clicking on Refresh Firefox button (Reset Firefox to default settings step 3)

In the opened window, confirm that you wish to reset Mozilla Firefox settings to default by clicking the Refresh Firefox button.

Confirm your want to reset Firefox settings to default (Reset Firefox to default settings step 4)

safari browser logoRemove malicious extensions from Safari:

removing adware from safari step 1 - accessing preferences

Make sure your Safari browser is active, click Safari menu, and select Preferences....

removing adware from safari step 2 - removing extensions

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...

resetting safari step 1

In the opened window select all history and click the Clear History button.

resetting safari step 2

Microsoft Edge (Chromium) logoRemove malicious extensions from Microsoft Edge:

Removing adware from Microsoft Edge step 1

Click the Edge menu icon Microsoft Edge (chromium) 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.

Removing adware from Microsoft Edge step 2

Optional method:

If you continue to have problems with removal of the ads by dz4link.com, reset your Microsoft Edge browser settings. Click the Edge menu icon Microsoft Edge (chromium) menu icon (at the top right corner of Microsoft Edge) and select Settings.

Microsoft Edge (Chromium) reset step 1

In the opened settings menu select Reset settings.

Microsoft Edge (Chromium) reset step 2

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.

Microsoft Edge (Chromium) reset step 3

  • If this did not help, follow these alternative instructions explaining how to reset the Microsoft Edge browser.

Summary:

declining installation of adware while downloading free software sampleCommonly, 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.

Removal assistance:
If you are experiencing problems while trying to remove ads by dz4link.com from your computer, please ask for assistance in our malware support forum.

Post a comment:
If you have additional information on ads by dz4link.com or it's removal please share your knowledge in the comments section below.

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About the author:

Tomas Meskauskas

Tomas Meskauskas - expert security researcher, professional malware analyst.

I am passionate about computer security and technology. I have an experience of over 10 years working in various companies related to computer technical issue solving and Internet security. I have been working as an author and editor for pcrisk.com since 2010. Follow me on Twitter and LinkedIn to stay informed about the latest online security threats. Contact Tomas Meskauskas.

PCrisk security portal is brought by a company RCS LT. Joined forces of security researchers help educate computer users about the latest online security threats. More information about the company RCS LT.

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Software uninstall instructions
Malware activity

Global malware activity level today:

Medium threat activity

Increased attack rate of infections detected within the last 24 hours.

QR Code
Ads by dz4Link.com QR code
Scan this QR code to have an easy access removal guide of Ads by dz4Link.com on your mobile device.
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