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Check-now.online POP-UP Redirect

Also Known As: check-now.online pop-up
Type: Adware
Damage level: Medium

What is check-now.online?

Exactly alike or at least very similar to unverf.com, trenced.com, softwareupdate.app anr many others, check-now.online is a rogue website designed to redirect its visitors to other untrustworthy websites. Most users visit check-now.online unintentionally - it's potentially unwanted applications (PUAs) that are forcing users to visit it.

PUAs also deliver various advertisements and gather data. Typically, PUAs get installed unknowingly/unintentionally.

check-now.online

Following the infiltration, potentially unwanted applications trigger web browsers to open new windows or tabs and redirect users to check-now.online website. Once a user visits this website, it causes additional (about 2-3) redirects to other untrustworthy and/or potentially malicious websites. Being redirected to such websites could result in various high-risk computer infections.

As we mentioned in our introduction, PUAs also deliver various advertisements, like banners, coupons, surveys, pop-ups and other similar ads. It is very common for these ads to be displayed via tools that enable placement of third party graphical content and conceal underlying content of any website.

Once an ad delivered by potentially unwanted application is clicked it redirects users to various untrustworthy websites, some of them could be malicious. It is known that sometimes these ads execute scripts that are designed to download and install potentially unwanted applications, or malware.

Moreover, PUAs collect IP addresses, search queries, keystrokes, visited websites, geo-locations and other information that could be sensitive or personally identifiable. Once collected this data is shared with third parties and used to generate revenue.

It is possible that collected data will be shared with cyber criminals and users could suffer from various privacy issues or even an identity theft.

Some potentially unwanted applications of this kind are capable of running various background tasks and by doing so they misuse computer's resources and diminish its performance. None of the mentioned things are worth the risk to have a PUA installed and it is strongly recommended to uninstall it immediately.

Threat Summary:
Name check-now.online pop-up
Threat Type Adware, Unwanted ads, Pop-up Virus
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, free software installers (bundling), fake flash player installers.
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.
▼ Download Combo Cleaner
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.

There are many potentially unwanted applications on the Internet that offer users various "useful" features and aim to give an impression of legitimacy. However, most of them are designed only to generate revenue by providing users with various ads, collecting and sharing information or causing unwanted redirects, and do not deliver the promised functionalities.

How did adware install on my computer?

Many potentially unwanted applications have their official websites where they can be downloaded (usually for free), however, in most cases users install them unknowingly. In other words, users install them by clicking various ads or when developers are using a "bundling" method.

Bundling is a deceptive marketing method used by software developers to install potentially unwanted applications together with other regular software that users actually want to install. Developers typically do not disclose such installations properly and hide bundled software (PUAs) in "Custom"/"Advanced" and other options or settings of the installation processes.

Most users tend to skip the installation steps without paying attention to details and unknowingly allow potentially unwanted applications to be installed. Such careless behaviour often results in various computer infections, privacy issues, diminished browsing experience and various other problems.

How to avoid installation of potentially unwanted applications?

Take precautions when downloading and installing software (especially a free one) - do not download software from untrustworthy/unknown websites, using third party software downloaders or torrents. Try to use only official sources and direct links.

Pay attention to the installation details - do not skip the installation steps without checking all the available "Custom", "Advanced" and other similar options first. That applies to checkboxes that often are ticked by default as well. Opt-out all unwanted offers and only then proceed to the next step or finish the installation.

Avoid clicking on various "tempting" ads even if they look legitimate. Cyber criminals invest money into advertisements design so that users could be more easily tricked into clicking them.

If you happen to click one of the ads of this type and got redirected to adult dating, pornography, gambling or other similar suspicious website - close it and check the extensions, add-ons and plug-ins on your installed on your web browser and uninstall any dubious/unwanted entries as soon as possible.

If your computer is already infected with rogue applications, we recommend running a scan with Combo Cleaner Antivirus for Windows to automatically eliminate them.

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

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Quick menu:

Adware removal:

Windows 11 users:

Accessing Apps and Features in Windows 11

Right-click on the Start icon, select Apps and Features. In the opened window search for the application you want to uninstall, after locating it, click on the three vertical dots and select Uninstall.

Windows 10 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.

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.

macOS (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.

check-now.online 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 check-now.online 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 check-now.online 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 check-now.online ads from Internet Explorer step 2

Optional method:

If you continue to have problems with removal of the check-now.online 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

Google Chrome logoRemove malicious extensions from Google Chrome:

Removing check-now.online  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 check-now.online ads from Google Chrome step 2

Optional method:

If you continue to have problems with removal of the check-now.online 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 check-now.online 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 check-now.online ads from Mozilla Firefox step 2

Optional method:

Computer users who have problems with check-now.online 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 check-now.online 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.

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.

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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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