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How to remove software causing redirects to the rdsb21.club website?

Also Known As: rdsb21.club pop-up
Type: Adware
Distribution: Low
Damage level: Medium

Rdsb21[.]club pop-up ads removal instructions

What is the rdsb21[.]club site?

Rdsb21[.]club is a rogue website sharing similarities with bengekoo.com, spleasedon.fun, pyiera.com, and many others. This page is designed to present visitors with questionable content and/or redirect them to untrustworthy/malicious sites. Users tend to access such websites inadvertently; they usually get redirected to them by intrusive advertisements or installed PUAs (Potentially Unwanted Applications). These apps do not require explicit user permission to infiltrate systems. PUAs can have heinous functionalities, including causing redirects, running intrusive advertisement campaigns, and collecting browsing-related information.

rdsb21[.]club pop-up redirects

The first thing the rdsb21[.]club webpage does is check visitors' IP (Internet Protocol) addresses - in order to learn their geolocations. This data is crucial to determining the site's further course of action. In other words, whether visitors get redirected elsewhere and/or are presented with dubious material - depends on their geolocations. Furthermore, rogue pages usually use deceptive tactics to trick users into allowing their browser notifications. Rdsb21[.]club is not an exception to this. It states that to continue with their download - visitors must enable the website's notifications - "Click 'Allow' To Download". Should the browser notifications be enabled, rdsb21[.]club will begin running intrusive advert campaigns. The delivered ads are more than just a minor annoyance, they also pose a threat to device/user safety. Once clicked on, intrusive advertisements redirect to untrustworthy/dangerous sites, and some can stealthily download/install software (e.g., PUAs).

Potentially unwanted applications can have different functions, and these functionalities can be in varied combinations. For example, these apps can force-open hazardous webpages and/or deliver intrusive advertisement campaigns. Most PUAs (regardless of other abilities) can track data. They record browsing activity (URLs visited, pages viewed, search queries typed, etc.) and collect vulnerable information inferred from it (IP addresses, geolocations, and personally identifiable details). What is more, the collected data is monetized by being shared with and/or sold to third-parties (potentially, cyber criminals). To summarize, the presence of unwanted software on devices can lead to system infections, severe privacy issues, financial losses, and even identity theft. Therefore, it is strongly recommended to remove all suspect applications and browser extensions/plug-ins immediately upon detection.

Threat Summary:
Name rdsb21.club pop-up
Threat Type Push notifications ads, Unwanted ads, Pop-up ads
Detection Names Cyan (Malicious), Forcepoint ThreatSeeker (Spam), Full List Of Detections (VirusTotal)
Serving IP Address 206.54.170.14
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)

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PUAs typically appear legitimate and innocuous. This software often lures users into download/installation and/or purchase with a wide variety of "useful" and "advantageous" features. However, the promised functions are seldom operational. Functionality and user safety are irrelevant, as the sole purpose of unwanted applications is to generate revenue for the developers. Therefore, instead of delivering on any promises, PUAs can cause redirects, run intrusive advertisement campaigns, and gather sensitive information.

How did adware install on my computer?

PUAs are distributed via download/installation setups of other programs. This false marketing technique of packing regular software with unwanted or malicious additions - is called "bundling". Rushed download/installation processes (e.g., ignored terms, skipped steps and sections, used "Easy/Express" settings, etc.) increase the risk of unintentionally allowing bundled content into the system. Intrusive adverts are also used to spread PUAs. Once clicked on, the ads can execute scripts to download/install these applications without user permissions. Some PUAs have "official" promotional/download webpages.

How to avoid installation of potentially unwanted applications?

It is recommended to research software prior to download/installation and/or purchase. Additionally, all downloads must be performed from official and verified sources. Untrustworthy download channels, e.g., unofficial and free file-hosting websites, Peer-to-Peer sharing networks, and other third-party downloaders - commonly offer deceptive and bundled content. When downloading/installing, it is advised to read terms, study possible options, use the "Custom/Advanced" settings, and opt-out from additional apps, tools, features, etc. Intrusive ads appear ordinary and harmless; however, they redirect to various unreliable and questionable sites (e.g., gambling, pornography, adult-dating, and so on). In case of encounters with advertisements and/or redirects of this kind, the system must be checked and all suspicious applications and browser extensions/plug-ins detected - immediately removed from it. If your computer is already infected with rogue applications, we recommend running a scan with Combo Cleaner Antivirus for Windows to automatically eliminate them.

Appearance of rdsb21[.]club website (GIF):

rdsb21[.]club website appearance (GIF)

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 and select "Settings"
  • Click on "Site permissions" in the toolbar on the left hand side of the screen and select "Notifications"
  • Click three dots on the right hand side of each suspicious URL under "Allow" section 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 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

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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.

rdsb21[.]club 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 rdsb21[.]club 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:

Google Chrome logoRemove malicious extensions from Google Chrome:

Removing rdsb21[.]club  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 rdsb21[.]club ads from Google Chrome step 2

Optional method:

If you continue to have problems with removal of the rdsb21.club pop-up, 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 rdsb21[.]club 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 rdsb21[.]club ads from Mozilla Firefox step 2

Optional method:

Computer users who have problems with rdsb21.club 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, 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 rdsb21.club pop-up, 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.

Internet Explorer logoRemove malicious add-ons from Internet Explorer:

Removing rdsb21[.]club 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 rdsb21[.]club ads from Internet Explorer step 2

Optional method:

If you continue to have problems with removal of the rdsb21.club 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.

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

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 rdsb21.club pop-up from your computer, please ask for assistance in our malware support forum.

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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
rdsb21.club pop-up QR code
A QR code (Quick Response Code) is a machine-readable code which stores URLs and other information. This code can be read using a camera on a smartphone or a tablet. Scan this QR code to have an easy access removal guide of rdsb21.club pop-up on your mobile device.
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