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How to remove redirects to and from fastcaptchasolver.com

Also Known As: fastcaptchasolver.com pop-up
Damage level: Medium

What is fastcaptchasolver[.]com?

fastcaptchasolver[.]com is a rogue site that shares similarities with uploadhub.cofinanceflick.comcaptchatopsource.com, and many others. When this website is visited, users are redirected to other untrusted/malicious pages and/or are presented with dubious content.

Sites of this type are rarely accessed intentionally. Most visitors are redirected to them by intrusive advertisements or by Potentially Unwanted Applications (PUAs) already installed on their devices.

This software does not require explicit user consent to infiltrate systems. PUAs can have dangerous capabilities including causing redirects, running intrusive advertisement campaigns, and collecting browsing-related data.

fastcaptchasolver[.]com pop-up redirects

The behavior of rogue web pages is determined by visitors' geolocations. The websites learn this information by checking users' IP (Internet Protocol) addresses. I.e., whether visitors are redirected elsewhere or are presented with dubious material depends on their geolocations.

Furthermore, sites of this kind tend to use deceptive tactics to trick users into enabling their browser notifications (e.g., they use 'clickbait', disguise the "Allow" option as CAPTCHA verification, etc.). This is the case with fastcaptchasolver[.]com - if the notifications are enabled, the website starts running intrusive ad campaigns. The delivered ads are more than just a nuisance, they also pose a threat to device/user safety. Once clicked, intrusive advertisements can redirect to dubious/dangerous sites and some can stealthily download/install software (e.g., PUAs).

PUAs can have varied functionality, and these functions can be in different combinations. For example, they can force-open harmful web pages and deliver intrusive ad campaigns.

Furthermore, most PUAs have data tracking capabilities. They monitor browsing activity (URLs visited, pages viewed, search queries typed, etc.) and collect sensitive information derived from it (IP addresses, geolocations, and even personally identifiable details). The gathered data is then shared with and/or sold to third parties (potentially, cyber criminals).

In summary, unwanted software can cause system infections, serious privacy issues, financial loss, and identity theft. To ensure device integrity and user privacy, all suspect applications and browser extensions/plug-ins must be removed without delay.

Threat Summary:
Name fastcaptchasolver.com pop-up
Threat Type Push notifications ads, Unwanted ads, Pop-up ads
Detection Names Fortinet (Spam), Spamhaus (Spam), Full List Of Detections (VirusTotal)
Serving IP Address 5.8.34.242
Observed Domains b.fastcaptchasolver[.]com; undefined.fastcaptchasolver[.]com; i.fastcaptchasolver[.]com; f.fastcaptchasolver[.]com; c.fastcaptchasolver[.]com; d.fastcaptchasolver[.]com; a.fastcaptchasolver[.]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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To use full-featured product, you have to purchase a license for Combo Cleaner. 7 days free trial available. Combo Cleaner is owned and operated by Rcs Lt, the parent company of PCRisk.com read more.

PUAs may seem legitimate and harmless, and users are often enticed into download/installation and purchase with offers of various "useful" features, however, the functionality seldom works as advertised, and, in most cases, does not work at all.

The only purpose of this unwanted software is to generate revenue for the developers. Rather than delivering any real value, PUAs cause redirects, run intrusive ad campaigns, and collect private data.

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 to research all software before download/installation or purchase. All downloads must be done from official and verified sources, since dubious channels such as unofficial and free file-hosting websites, Peer-to-Peer sharing networks and other third party downloaders commonly offer deceptive or bundled content.

When downloading/installing, read the terms, explore all possible options, use the "Custom/Advanced" settings and opt-out of supplementary apps, tools, features, etc. Intrusive ads may seem normal and harmless, however, they can redirect to various dubious web pages (e.g. gambling, pornography, adult-dating, and many others).

If you encounter ads or redirects of this kind, inspect the system and remove any suspicious applications and browser extensions/plug-ins immediately.

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 fastcaptchasolver[.]com website (GIF):

fastcaptchasolver[.]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:
▼ DOWNLOAD Combo Cleaner By downloading any software listed on this website you agree to our Privacy Policy and Terms of Use. To use full-featured product, you have to purchase a license for Combo Cleaner. 7 days free trial available. Combo Cleaner is owned and operated by Rcs Lt, the parent company of PCRisk.com read more.

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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Removal Instructions in other languages
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
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