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How to remove unwanted apps that promote fast2captcha.com and similar sites

Also Known As: Ads by fast2captcha.com
Damage level: Medium

What is fast2captcha[.]com?

fast2captcha[.]com is similar to myniceposts[.]com, fastsolvecaptcha[.]com, kersatur[.]online, and many other web pages. Note that users do not often visit these pages intentionally - they are opened by installed potentially unwanted applications (PUAs), through other bogus web pages, or via dubious advertisements.

fast2captcha[.]com pop-up redirects

When visited, fast2captcha[.]com and similar pages load dubious content or open about two or three other untrusted pages.

These sites also use 'clickbait' techniques to trick visitors into clicking the "Allow" button, which allows them to show their notifications - fast2captcha[.]com states that visitors must click the button to prove that they are not robots. These websites should never be allowed to show notifications, since they can contain links to other dubious pages, bogus ads, etc.

As mentioned, fast2captcha[.]com and similar sites are often promoted via potentially unwanted applications. These apps collect browsing data such as IP addresses, entered search queries, addresses of visited websites, geolocations, and even private, sensitive information. The data could be sold to third parties (potentially, cyber criminals) or monetized in other ways.

PUAs also generate coupons, banners, surveys, pop-ups, and other ads. If clicked, these open dubious websites or cause unwanted download/installation of PUAs.

Threat Summary:
Name Ads by fast2captcha.com
Threat Type Push notifications ads, Unwanted ads, Pop-up ads
Serving IP Address 5.8.34.205
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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Do not trust fast2captcha[.]com, similar pages, or pages that they promote. Ensure that you do not have any PUAs installed on your browser or computer. Note that PUAs are often advertised as legitimate and useful, however, they have no real value and can cause serious problems. Typically, users download and install PUAs inadvertently.

How did adware install on my computer?

PUAs are distributed via download/installation set-ups of other products. This deceptive marketing tactic of packing regular software with unwanted or malicious additions is called "bundling".

Rushing download/installation processes (e.g. ignoring terms, skipping steps and settings, etc.) increases the risk of inadvertently allowing bundled content into the system.

Some PUAs have "official" download sites. Intrusive advertisements proliferate these applications as well. Once clicked, they can execute scripts to download/install PUAs without users' consent.

How to avoid installation of potentially unwanted applications

You are advised not to use Peer-to-Peer networks (such as eMule, torrent clients, etc.), unofficial websites, third party downloaders, installers, etc. to download or install software or files. Use official pages and direct links.

Check download/installation set-ups for settings such as "Advanced", "Manual, or "Custom" (or include certain checkboxes) and decline offers to download or install unwanted apps before completing the process.

Additionally, do not trust or click advertisements that are displayed on dubious web pages - they can open other rogue sites or cause unwanted downloads and installations.

Remove any suspicious or unknown extensions, add-ons and plug-ins installed on the browser. The same applies to software of this kind that is installed on the operating system.

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 fast2captcha[.]com website (GIF):

fast2captcha[.]com website appearance (GIF)

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:

Disable unwanted browser notifications:

Video showing how to disable web browser notifications:

Google Chrome logoRemove spam notifications from Google Chrome:

Click the Menu button (three dots) on the right upper corner of the screen and select "Settings". In the opened window select "Privacy and security", then click on "Site Settings" and choose "Notifications".

Disable web browser notifications in Google Chrome (step 1)

In the "Allowed to send notifications" list search for websites that you want to stop receiving notifications from. Click on the three dots icon near the website 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 web browser notifications in Google Chrome (step 2)

Android logoRemove spam notifications from Google Chrome (Android):

Tap the Menu button (three dots) on the right upper corner of the screen and select "Settings". Scroll down, tap on "Site settings" and then "Notifications".

Disable web browser notifications in Google Chrome - Android (step 1)

In the opened window, locate all suspicious URLs and tap on them one-by-one. Once the pop-up shows up, select either "Block" or "Remove" (if you tap "Remove" and visit the malicious site once more, it will ask to enable notifications again).

Disable web browser notifications in Google Chrome - Android (step 2)

Mozilla Firefox logoRemove spam notifications from Mozilla Firefox:

Click the Menu button (three bars) on the right upper corner of the screen. Select "Settings" 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".

Disable web browser notifications in Mozilla Firefox (step 1)

In the opened window, locate all suspicious URLs and block them using the drop-down menu or either remove them by clicking "Remove Website" at the bottom of the window (if you click "Remove Website" and visit the malicious site once more, it will ask to enable notifications again).

Disable web browser notifications in Mozilla Firefox (step 2)

Microsoft Edge logoRemove spam notifications from Microsoft Edge:

Click the menu button (three dots) on the right upper corner of the Edge window and select "Settings". Click on "Cookies and site permissions" in the toolbar on the left hand side of the screen and select "Notifications".

Disable web browser notifications in Microsoft Edge (step 1)

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 web browser notifications in Microsoft Edge (step 2)

Safari logoRemove spam notifications from Safari (macOS):

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.

Disable web browser notifications in Safari - macOS (step 1)

Check for suspicious URLs and apply the "Deny" option using the drop-down menu or either remove them by clicking "Remove" at the bottom of the window (if you click "Remove" and visit the malicious site once more, it will ask to enable notifications again)

Disable web browser notifications in Safari - macOS (step 2)

How to avoid browser notification spam?

Internet users should be very skeptical when being asked to allow notifications. While this is a useful feature that allows you to receive timely news from websites you like, deceptive marketers frequently abuse it.

Only allow notifications from websites that you fully trust. For added security - use an anti-malware application with a real-time web browsing monitor to block shady websites that tries to trick you into allowing spam notifications. We recommend using Combo Cleaner Antivirus for Windows.

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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.

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