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How to uninstall apps designed to promote questicre.top?

Also Known As: Ads by questicre.top
Damage level: Medium

What is questicre[.]top?

Questicre[.]top is like ersfeeiling[.]fun, applydatinghere[.]com, blackflightfind[.]tw, and many other pages - it is designed to promote other, potentially malicious websites and display deceptive content. As a rule, pages like questicre[.]top get opened by installed potentially unwanted applications (PUAs), through clicked deceptive advertisements or visited dubious sites.

In one way or another, users do not visit them intentionally. It is worthwhile to mention that most users do not download and install PUAs on purpose as well.

It is common that apps of this kind are designed to promote shady sites, collect various data, and (or) generate unwanted ads.

questicre[.]top pop-up redirects

At first, a page like questicre[.]top checks its visitor's geolocation (IP address). After that, it either opens two, three untrustworthy websites or loads its dubious content. In most cases, sites like questicre[.]top open websites designed to extract sensitive information (e.g., "Chrome Search Contest 2021"), deceive unsuspecting users into paying money for fake software, services or providing remote access to their computers (e.g., "Error Code: #0x564897").

Also, questicre[.]top often open download websites for adware, browser hijackers, and other unwanted programs. In one way or another, it is strongly recommended not to trust websites that sites like questicre[.]top open.

The same applies to the website content they load. As a rule, they load a deceptive message (use a clickbait technique) to trick users into clicking the "Allow" button. Qesticre[.]top encourages visitors to click that button to continue the loading process.

When users click that button, they allow a visited page to show its notifications. It is strongly advisable not to agree to receive notifications from pages like questicre[.]top - their notifications contain deceptive ads, links to potentially malicious websites, etc.

It is important to mention that potentially unwanted applications tend to be designed to collect various data and (or) display advertisements. More often than not, PUAs target browsing-related data, for example, Internet Protocol addresses, entered search queries, geolocations, addresses of visited websites.

However, some of them can access sensitive data (e.g., passwords, credit card details). Another problem is that gathered data may be used for marketing purposes, sold to third parties (potentially cybercriminals).

Collected sensitive information may be used to steal accounts, identities, make fraudulent purchases, transactions, etc. Examples of ads that PUAs can be designed to display are coupons, pop-up ads, surveys, banners.

It is not safe to click those ads because most of them are designed to open shady, potentially malicious pages. In some cases, those ads can execute certain scripts designed to download or even install unwanted software.

These are the main reasons why users who have apps of this kind installed on their browsers or computers should remove them as soon as possible.

Threat Summary:
Name Ads by questicre.top
Threat Type Push notifications ads, Unwanted ads, Pop-up ads
Detection Names Avira (Phishing), ESET (Malware), Fortinet (Malware), G-Data (Malware), Full List Of Detections (VirusTotal)
Serving IP Address 34.196.151.230
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.

To summarize, it is common that pages like questicre[.]top are promoted through PUAs, and apps of this kind often are designed to gather various data and (or) generate advertisements. It is important to mention that PUAs do not improve the browsing experience or are useful in any other way, even if they are advertised as legitimate apps.

On the contrary, they can cause various problems, and their main goal is to generate revenue for their developers. In one way or another, it is strongly recommended not to download and install apps of this kind.

As mentioned in the introduction paragraph, most of the times, PUAs get installed on browsers or systems without the knowledge of their users.

How did adware install on my computer?

Quite often, various potentially unwanted applications are promoted/distributed by including them in downloaders or installers for other programs as extra offers. In other words, by bundling them together with other programs.

As a rule, users can decline unwanted offers via "Custom", "Advanced", "Manual", or other settings, or by unticking ticked checkboxes. When users finish downloads or installations of programs bundled together with other apps without changing any of those settings, they download and install those PUAs as well.

In some cases, users cause unwanted downloads and installations by clicking deceptive advertisements designed to execute certain scripts. In most cases, these deceptive ads appear on shady pages.

How to avoid installation of potentially unwanted applications?

Files and programs should not be downloaded through questionable channels, for example, Peer-to-Peer networks like eMule, torrent clients, unofficial pages, third-party downloaders. They should not be installed through third-party installers too.

It is common that the aforementioned channels for downloading or installing software are used to distribute unwanted, potentially malicious apps. Everything should be downloaded from official websites and through direct links.

Furthermore, downloaders and installers with settings like "Custom", "Advanced" or checkboxes should be checked for offers to download or install unwanted apps. In other words, downloads and installations should be finished when all unwanted offers are no longer accepted. Intrusive ads that appear on shady, questionable pages should not be clicked.

It is common that ads on such pages are designed to promote untrustworthy pages. Sometimes, those ads can be designed to cause downloads, installations of unwanted applications. Unwanted, unknown, suspicious extensions, plug-ins or add-ons already installed on a browser should be removed.

The same should be done with the software of this kind 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 questicre[.]top website (GIF):

questicre[.]top website appearance (GIF)

Notifications from questicre[.]top:

questicre.top ads notification questicre.top ads notification 2 questicre.top ads notification 3

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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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