How to uninstall BookLot unwanted application?
Written by Tomas Meskauskas on (updated)
What is BookLot?
BookLot is advertised as a desktop app for searching information on Wikipedia. However, it is known that BookLot actually is an advertising-supported software (adware) - it generates unwanted advertisements. It is likely that this program is designed to collect information about its users as well.
Typically, users do not download and install adware intentionally (knowingly), for this reason applications like BookLot are called potentially unwanted applications (PUAs).
It is common for advertisements displayed by adware to conceal the content of websites while users visit them. Another problem with those ads is that most of them are used to advertise questionable websites (e.g., download pages for potentially malicious software).
Moreover, sometimes those ads cause unwanted downloads, installations (when designed to execute certain scripts). Therefore, it is strongly advisable against clicking on advertisements that adware-type apps like BookLot generate.
As mentioned in the previous paragraph, BookLot could be designed to function as a data collector. It is common for adware to be designed to collect Internet Protocol addresses, entered search queries, addresses of visited pages, geolocations, and other browsing-related details.
Although, it is known that there are numerous cases where apps of this type are capable of accessing sensitive information (such as passwords, telephone numbers, credit card details).
It means that users who have applications like BookLot installed on their browser or the operating system are at risk of encountering problems with online privacy, browsing safety (and other issues), or even becoming victims of identity theft, losing access to personal accounts, money.
Therefore, there should never be any adware (including BookLot) installed on the operating system and (or) web browser.
| Name | Ads by BookLot |
| Threat Type | Adware |
| Detection Names | Avast (Win32:Adware-gen [Adw]), AVG (Win32:Adware-gen [Adw]), Combo Cleaner (Adware.Generic.3014752), Comodo (ApplicUnwnt@#21n3jg67ppomf), ESET-NOD32 (Win32/Adware.BookLot.A), Full List Of Detections (VirusTotal) |
| 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, torrent file downloads. |
| Damage | Internet browser tracking (potential privacy issues), display of unwanted ads, redirects to dubious websites, loss of private information. |
| Malware Removal (Windows) | To eliminate possible malware infections, scan your computer with legitimate antivirus software. Our security researchers recommend using Combo Cleaner. |
There are many different examples of adware, some of them are Mie Player, Pictures Lab, and InstaQuick. In many cases, apps of this type are advertised as useful. For example, they are supposed to help their users to easily download videos from YouTube, convert files, play media, and so on.
Nevertheless, most adware-type apps are actually designed to generate revenue for their developers by serving ads and not to be useful to their users. What is worse, by having adware installed users are likely to encounter various issues.
If an app of this type is already installed, then it should be removed as soon as possible.
How did adware install on my computer?
It is common that users download and install potentially unwanted applications alongside other programs when those programs are bundled with PUAs. Usually, users can decline unwanted offers.
They can do it using "Advanced", "Custom", "Manual" or other settings, or checkboxes that downloaders, installers for programs bundled with PUAs have. However, not all users check downloaders and installers for those settings, and (or) they leave them unchanged.
In such cases, users download and install not only desired programs but also PUAs that are offered as additional offers. Sometimes users download, install PUAs by clicking on ads. However, only when they click on ads designed to run certain scripts.
How to avoid installation of potentially unwanted applications?
It is advisable to avoid downloading applications, files from untrustworthy websites using torrent clients, eMule, and other Peer-to-Peer networks. It should be done by using official pages and direct download links. Do not finish downloads, installations without declining unwanted offers.
Usually, it can be done via "Advanced", "Custom", "Manual" settings or by unticking certain checkboxes. Additionally, it is recommended to avoid clicking on questionable ads, especially the ones that shady websites have on them. In most cases, those ads are used to promote untrustworthy websites.
Sometimes they are used to distribute unwanted software (by designing them to download or even install software). Unwanted, unknown, suspicious plug-ins, add-ons, or extensions installed on a web browser should be uninstalled. The same should be done with programs 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.
Download website for BookLot:
Installer for BookLot:
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:
- What is BookLot?
- STEP 1. Uninstall adware applications using Control Panel.
- STEP 2. Remove rogue plug-ins from Google Chrome.
- STEP 3. Remove adware-type extensions from Mozilla Firefox.
- STEP 4. Remove malicious extensions from Safari.
- STEP 5. Remove rogue plug-ins from Microsoft Edge.
- STEP 6. Remove adware from Internet Explorer.
Adware removal:
Windows 11 users:
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:
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:
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:
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.
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 BookLot 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:
Remove malicious extensions from Google Chrome:
Click the 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.
Optional method:
If you continue to have problems with removal of the ads by booklot, reset your Google Chrome browser settings. Click the 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.
After scrolling to the bottom of the screen, click the Reset (Restore settings to their original defaults) button.
In the opened window, confirm that you wish to reset Google Chrome settings to default by clicking the Reset button.
Remove malicious plug-ins from Mozilla Firefox:
Click the Firefox menu 
(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.
Optional method:
Computer users who have problems with ads by booklot removal can reset their Mozilla Firefox settings.
Open Mozilla Firefox, at the top right corner of the main window, click the Firefox menu, in the opened menu, click Help.
Select Troubleshooting Information.
In the opened window, click the Refresh Firefox button.
In the opened window, confirm that you wish to reset Mozilla Firefox settings to default by clicking the Refresh Firefox button.
Remove malicious extensions from Safari:
Make sure your Safari browser is active, click Safari menu, and select Preferences....
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...
In the opened window select all history and click the Clear History button.
Remove malicious extensions from Microsoft Edge:
Click the Edge 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.
Optional method:
If you continue to have problems with removal of the ads by booklot, reset your Microsoft Edge browser settings. Click the Edge menu icon (at the top right corner of Microsoft Edge) and select Settings.
In the opened settings menu select Reset settings.
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.
- If this did not help, follow these alternative instructions explaining how to reset the Microsoft Edge browser.
Remove malicious add-ons from Internet Explorer:
Click the "gear" 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".
Optional method:
If you continue to have problems with removal of the ads by booklot, 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.
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.
Windows 8 users: Open Internet Explorer and click the gear icon. Select Internet Options.
In the opened window, select the Advanced tab.
Click the Reset button.
Confirm that you wish to reset Internet Explorer settings to default by clicking the Reset button.
Summary:
Commonly, 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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