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How to uninstall BookLot unwanted application?

Also Known As: Ads by BookLot
Type: Adware
Distribution: Low
Damage level: Medium

BookLot adware removal instructions

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).

BookLot pop-up redirects

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.

Threat Summary:
Name Ads by BookLot
Threat Type Adware
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)

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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:

booklot adware promoter

Installer for BookLot:

booklot adware installer

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Quick menu:

Adware removal:

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.

Windows XP users:

Accessing Add or Remove Programs in Windows XP

Click Start, choose Settings and click Control Panel. Locate and click Add or Remove Programs.

Windows 10 and Windows 8 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.

Mac 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.

BookLot 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 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:

Google Chrome logoRemove malicious extensions from Google Chrome:

Removing BookLot  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 BookLot ads from Google Chrome step 2

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 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 BookLot 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 BookLot ads from Mozilla Firefox step 2

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, 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 booklot, 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.

Internet Explorer logoRemove malicious add-ons from Internet Explorer:

Removing BookLot 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 BookLot ads from Internet Explorer step 2

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.

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

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.

Removal assistance:
If you are experiencing problems while trying to remove ads by booklot from your computer, please ask for assistance in our malware support forum.

Post a comment:
If you have additional information on ads by booklot 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.

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
Ads by BookLot QR code
A QR code (Quick Response Code) is a machine-readable code which stores URLs and other information. This code can be read using a camera on a smartphone or a tablet. Scan this QR code to have an easy access removal guide of Ads by BookLot on your mobile device.
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