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What is “Tostq.com” pop-up scam

Tostq.com pop-up scam is a deceptive online threat designed to manipulate users into believing they have encountered a critical issue with their devices. This scam typically appears while browsing, often masquerading as a legitimate warning or system alert that claims to be affiliated with well-known tech companies. Its primary goal is to instill fear, prompting users to take immediate action, such as calling a fake technical support number or downloading potentially harmful software. Such actions can lead to financial loss, data theft, or unauthorized access to personal information, putting users at significant risk. Besides the immediate threats, falling victim to this scam can result in persistent adware infections, slowing down system performance and leading to more intrusive advertising. To protect oneself, it is crucial to remain vigilant, recognize these scams, and never engage with unfamiliar pop-ups. Regularly updating security software and practicing safe browsing habits can help mitigate these risks and safeguard personal data.

Tostq.com pop-up

How “Tostq.com” pop-up scam infected your computer

Tostq.com is a malicious site that often serves as a conduit for various types of malware infections, primarily through deceptive tactics and social engineering techniques. Users may unknowingly visit Tostq.com via misleading advertisements or compromised websites, leading to the automatic download of potentially harmful software. Once on the user’s system, this malware can exploit vulnerabilities in the operating system or installed applications, allowing unauthorized access to sensitive data. Additionally, Tostq.com may employ browser hijacking techniques, redirecting users to unwanted pages and displaying intrusive ads that further perpetuate the cycle of infection. It’s crucial for users to maintain updated antivirus software and exercise caution while browsing to mitigate the risks associated with such malicious sites. Regularly clearing cache and cookies can also help in preventing persistent redirections and infections linked to Tostq.com.

  1. Download Tostq.com Removal Tool
  2. Remove/Uninstall programs causing Tostq.com pop-ups from Control Panel and Applications
  3. Remove Tostq.com-related extensions from browsers
  4. Reset browser search and homepage settings
  5. Block Tostq.com ads
  6. How to protect from threats causing Tostq.com ads
DesktopMobile

Download Removal Tool

Download SpyHunter 5

To remove “Tostq.com” pop-ups completely, we recommend you to use SpyHunter 5. It can help you remove files, folders, and registry keys of Tostq.com pop-ups and uninstall hijackers, toolbars, and unwanted add-ons from the Safari browser. The trial version of Spyhunter 5 offers virus scan and 1-time removal for FREE.

Download Alternative Removal Tool

Download Malwarebytes

To remove “Tostq.com” pop-ups completely, we recommend you to use Malwarebytes Anti-Malware. It detects and removes all files, folders, and registry keys of “Tostq.com” pop-ups and several millions of other adware, hijackers, toolbars.

Download Removal Tool for Android

Download Norton Security Android

To remove “Tostq.com” pop-ups completely, we recommend you to use Norton Security for Android. It can help you remove all traces of “Tostq.com” pop-ups and other malware from browsers on your Android device.

Download Removal Tool for iOS

Download Norton Security iOS

To remove “Tostq.com” pop-ups completely, we recommend you to use Norton Security for iOS. It detects and removes all elements of “Tostq.com” pop-ups on iPhone or iPad.

Remove “Tostq.com” pop-up virus manually for free

Here is the manual step-by-step tutorial for full “Tostq.com” pop-ups removal from your computer. This works 99% and was checked with the latest versions of operating systems with the latest updates and browser versions.

Remove program causing “Tostq.com” pop-ups from Control Panel or Applications

To start removing program, that may be a reason for “Tostq.com” pop-ups you should uninstall it using Control Panel. It can be present by different random names, just search for recently installed, unknown or suspicious app. It should uninstall correctly, however, we recommend you to use IObit Uninstaller to clean leftover items after uninstalling. Here are instructions for Windows XP, Windows 7, Windows 8, Windows 10 and Mac.

Remove app causing “Tostq.com” pop-ups from Mac:

  1. In the Finder sidebar, click Applications.
  2. Unwanted program might have an Uninstaller.
  3. Otherwise, drag unwanted program from the Applications folder to the Trash (located at the end of the Dock).
  4. Then choose Finder > Empty Trash.

Remove program, that may cause “Tostq.com” pop-ups from Windows XP:

  1. Click on Start button.
  2. Choose Control Panel.
  3. Click Add or Remove Programs.
  4. Find unwanted program or other recently installed suspicious program.
  5. Click Uninstall.

Remove program, that may cause “Tostq.com” pop-ups from Windows 7:

  1. Click Start button.
  2. Then go to Control Panel.
  3. Click Uninstall a Program.
  4. Find unwanted program or other recently installed suspicious program and click Uninstall.

Remove program, that may cause “Tostq.com” pop-ups from Windows 8:

  1. Hover mouse pointer to the bottom-right corner to see Menu.
  2. Click Search.
  3. After that click Apps.
  4. Then Control Panel.
  5. Click Uninstall a Program under Programs.
  6. Find unwanted program or other recently installed suspicious program, click Uninstall.

Remove program, that may cause “Tostq.com” pop-ups from Windows 10:

There are 2 ways to uninstall program, that may cause “Tostq.com” from Windows 10

Way one
  1. Click on the Start button.
  2. In opened menu choose Settings.
  3. Click on the System tile.
  4. Click Apps & features and locate unwanted program or other recently installed suspicious program in the list.
  5. Click on it and then click Uninstall button near it.
Way two (classic)
  1. Right-click on the Start button.
  2. In opened menu choose Programs and Features.
  3. Locate unwanted program or other recently installed suspicious program in the list.
  4. Click on it and then click Uninstall button above.

Remove app, that may cause “Tostq.com” pop-ups from Windows 11:

  1. Right-click on the Start button.
  2. In opened menu choose Settings.
  3. Click on the Apps tab on the left side.
  4. Click Apps & features and locate recently installed suspicious program in the list.
  5. Click on 3-dots icon near it and then click Uninstall button near it.
  6. Depending on the type of application (Windows Store app or classic Win32 app) it will be removed immediately or you will need to confirm the action and go through standard uninstall procedure.

Remove app, that may cause “Tostq.com” pop-ups from iOS:

  1. Carefully inspect all apps on your iOS device.
  2. Find unnecessary, unwanted or suspicious ones.
  3. Tap on unwanted app and hold until additional menu appears.
  4. Tap Delete App in opened menu.

Remove app, that may cause “Tostq.com” pop-ups from Android:

  1. Open the Google Play Store and choose My apps & games
  2. Carefully inspect all apps on your Android device and find unnecessary, unwanted or suspicious ones.
  3. Tap on unwanted app and tap Uninstall button.

Cannot uninstall program, that may cause “Tostq.com” pop-ups

In some cases, suspicious application won’t uninstall and gives you a message that “You do not have sufficient access to uninstall “Program Name”. Please, contact your system administrator” when you try to remove it from Control Panel or “Access denied” error when removing the folder and files of this app. This happens because the process or service does not allow you to do it. In this case, I will recommend you to use SpyHunter 5 or Malwarebytes or uninstall unwanted program in Safe Mode. To boot in Safe Mode do the following:

  1. Reboot your computer.
  2. While it starts booting press F8 button.
  3. This will open Advanced Boot Options menu.
  4. Choose Safe Mode and wait until Windows loads.
  5. Go to Control Panel > Uninstall a program and remove unwanted program or other recently installed suspicious program

>> See detailed instructions and video tutorial on how to boot in Safe Mode

and for Mac:

If you can’t uninstall app causing “Tostq.com” pop-ups using instructions above, or it keeps coming back, you can use free AppCleaner for Mac to remove all residual data and libraries of unwanted application. Follow instructions below:

  1. Download free AppCleaner.
  2. Drag unwanted app from Applications folder to AppCleaner window.
  3. Choose files and folders you want to remove along with “Tostq.com”.
  4. Click Delete button.

Remove malicious add-ons from your browsers

Uninstalling programs, that generate “Tostq.com” pop-ups from Control Panel often does not bring the desired effect. It sometimes has browser extension and it may still be active in Safari, Google Chrome, and Mozilla Firefox. Here are instructions on how to remove extensions causing “Tostq.com” ads from your browsers manually.

Safari:

  1. Start Safari on your Mac, click Safari to open drop-down menu and choose Preferences
  2. Click Extensions tab.
  3. Find suspicious extension.
  4. Click Uninstall button to remove it.

Google Chrome:

  1. Start Google Chrome browser
  2. In address box type (or copy-paste) chrome://extensions.
  3. Find suspicious extension.
  4. Click the trash can icon to remove them.
  5. Also remove other suspicious extensions from the list.

Mozilla Firefox:

  1. Start Mozilla Firefox browser.
  2. In address box type (or copy-paste) about:addons.
  3. Choose suspicious extension.
  4. Click Disable or Remove button.
  5. Remove all suspicious extensions from the list.

Internet Explorer (9, 10, 11):

Note: There is no feature to remove browser extensions from browser in latest version of Internet Explorer. To remove suspicious add-on from Internet Explorer, please, perform instructions for uninstalling the program from Control Panel. To disable the suspicious add-on, please, do the following:

  1. Open Internet Explorer.
  2. Click on gear/asterisk icon in the top-right corner.
  3. In opened menu Manage Add-ons.
  4. Select Toolbars and Extensions.
  5. Click Disable or Tostq.com related extension.
  6. Also disable other suspicious extensions from the list.

Reset browsers settings (homepage, default search)

Here is an instruction to reset your browser’s homepage, new tab and search engine to default values and delete history, cache, and cookies.

Reset Safari on Mac:

  1. Start Safari on your Mac, click Safari to open drop-down menu and choose Preferences
  2. Go to the Privacy section of Safari’s preferences.
  3. Click Remove All Website Data button.
  4. In opened window click Remove Now button to remove data stored by websites in Safari.
  5. Go to the Advanced section of Safari’s preferences.
  6. Click the Show Develop menu in menu bar option.
  7. In the menu click Develop and select Empty Caches from this menu.
  8. Again, go to Safari menu and choose Clear History….
  9. Choose to clear all history and click Clear History button.

Reset Safari on iOS:

  1. Go to Settings, find Safari and tap on it
  2. Tap on Clear History and Website Data and confirm your action.

Reset Google Chrome on Mac or Windows:

  1. Start Google Chrome browser
  2. In address box type (or copy-paste) chrome://settings.
  3. Scroll down and find Show advanced settings link.
  4. Click on it and scroll down to the bottom again.
  5. Click Reset browser settings button and click Reset to confirm.

Reset Google Chrome on Android:

  1. On Android device go to Settings > Apps, find Chrome app and tap on it
  2. Tap on Storage and tap on Manage storage button on the left.
  3. Tap Clear all data and confirm your action by tapping on OK button in the next dialog box.

Reset Mozilla Firefox:

  1. Start Mozilla Firefox browser.
  2. In address box type (or copy-paste) about:support.
  3. Click Reset Firefox… button.
  4. Click Reset Firefox to confirm.

Internet Explorer (9, 10, 11):

  1. Start Internet Explorer.
  2. Click on gear/asterisk icon in the top-right corner.
  3. In opened menu choose Internet options.
  4. Click Advanced tab.
  5. Click Reset button.
  6. Choose Delete personal settings and click Reset.

How to block “Tostq.com” ads and pop-ups

“Tostq.com” pop-ups, in most cases, are caused by a program installed on your PC or add-on installed in browsers. However, sometimes it can appear on a clean computer when visiting a malicious website, using an advertising script. Also, apps that generate “Tostq.com” ads and banners are themselves installed from pop-ups. To protect your PC and browsers from phishing websites, pop-up ads, banners, malicious scripts it is recommended to use AdGuard. Download free trial here:

Download AdGuard for Windows Download AdGuard for Mac
Download AdGuard for Android Download AdGuard for iOS

Final tips

Be careful surfing the internet and downloading software, as programs, that cause “Tostq.com” pop-ups, may become a real headache as they are hard to remove and break your privacy. To keep safe from such threats we recommend you always use antivirus and one of the anti-malware programs available on the market. One of the best anti-spyware and anti-malware programs is SpyHunter 5. It can protect your PC from threats, causing “Tostq.com” pop-ups.

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James Kramer
Hello, I'm James. My website Bugsfighter.com, a culmination of a decade's journey in the realms of computer troubleshooting, software testing, and development. My mission here is to offer you comprehensive, yet user-friendly guides across a spectrum of topics in this niche. Should you encounter any challenges with the software or the methodologies I endorse, please know that I am readily accessible for assistance. For any inquiries or further communication, feel free to reach out through the 'Contacts' page. Your journey towards seamless computing starts here