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Sizlsearch Virus

Also Known As: Ads by sizlsearch
Type: Adware
Damage level: Medium

What is Sizlsearch?

Developed by SuperWeb LLC, Sizlsearch is a potentially unwanted application claiming to improve the quality of users' Internet browsing experience by displaying website trust ratings, enabling comparison shopping, coupons, and adding other useful functionality. Although Sizlsearch may seem a legitimate browser extension, be aware that it is categorized as adware.

This rogue browser add-on employs a deceptive software marketing method called 'bundling' to install on browsers, without users' permission. After successful infiltration on Internet Explorer, Mozilla Firefox, and Google Chrome, Sizlsearch generates various intrusive online advertisements including interstitial, transitional, search, banner, text-link, and full page ads.

Furthermore, users' Internet browsing activity is continually monitored, since this rogue browser add-on records information such as IP addresses, unique identifier numbers, URLs visited, search queries entered, pages viewed, and other similar hardware and software information.

Sizlsearch virus

Having adware such as Sizlesearch installed on your computer may lead to serious privacy issues, identity theft, or malware infections. At time of research, SuperWeb LLC has released over one hundred rogue browser add-ons identical to Sizlesearch (including, for example, GerbilioConstaSurf, and Yula).

This company releases identical browser extensions under different names to avoid detection by legitimate anti-virus and anti-spyware programs. None of the add-ons created by this company add any real value for the user - their purpose is to generate revenue by the display of intrusive online advertisements.

Most potentially unwanted applications are distributed via small programs called 'download managers' within freeware download websites such as download.com, softonic.com, soft32.com, and many others.

Download managers are employed to monetize the free services provided by these websites by offering installation of promoted browser extensions together with the chosen free software. Thus, careless download and installation of freeware often results in adware or malware infections.

To avoid installation of Sizlsearch, or other similar adware, pay close attention when downloading free software and click the 'Decline' button when installation of additional applications is offered.

If you are installing downloaded software, choose the 'Advanced' or 'Custom' installation options, rather than 'Quick' or 'Regular' - this will reveal any bundled applications and you will be able to opt out of installation.

Users who have already installed Sizlsearch and observe "Ads by sizlsearch", "Powered by sizlsearch", and "Sizlsearch Deals" advertisements when surfing the Internet, should follow this removal guide to remove Sizlsearch adware from their Internet browsers.

Deceptive free software installers used in SizlSearch adware distribution:

sizlsearch adware installer sample 2 sizlsearch adware installer

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Quick menu:

Sizlsearch virus 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.

Removing Sizlsearch virus via control panel

In the uninstall programs window, look for "Sizlsearch", select this entry and click "Uninstall" or "Remove".

After uninstalling the potentially unwanted program (which causes Sizlsearch ads), scan your computer for any remaining unwanted components or possible malware infections. To scan your computer, use recommended malware removal software.

Remove sizlsearch from Internet browsers:

Video showing how to remove potentially unwanted browser add-ons:

Internet Explorer logo Remove malicious add-ons from Internet Explorer:

Removing sizlsearch 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 "Sizlsearch", select this entry and click "Remove".

Removing sizlsearch from Internet Explorer step 2

Optional method:

If you continue to have problems with removal of the ads by sizlsearch, 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 logo Remove malicious extensions from Google Chrome:

Removing sizlsearch from Google Chrome step 1

Click the Chrome menu icon Google Chrome options icon (at the top right corner of Google Chrome), select "Tools" and click on "Extensions". Locate: "Sizlsearch", select this entry and click the trash can icon.

Removing sizlsearch from Google Chrome step 2

Optional method:

If you continue to have problems with removal of the ads by sizlsearch, 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 logo Remove malicious plugins from Mozilla Firefox:

Removing sizlsearch 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 on "Extensions", in the opened window remove "Sizlsearch".

Removing sizlsearch from Mozilla Firefox step 2

Optional method:

Computer users who have problems with ads by sizlsearch 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 ads by sizlsearch, 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.

Post a comment:
If you have additional information on ads by sizlsearch or it's removal please share your knowledge in the comments section below.

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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.

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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
Ads by sizlsearch QR code
Scan this QR code to have an easy access removal guide of Ads by sizlsearch on your mobile device.
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