"Ads by App Lid" virus removal tutorial

What is App Lid?

App Lid is an advertising application which purpose is to display unwanted content. It may be installed without user's permission:

Firefox App Lid extension

App Lid can also display pop-up windows in your browsers and install its own start page and search engine:

Start page was changed

App Lid belongs to Crossrider family of virus programs and can be named by different malware scanners also as:

• Adware.Crossrider (Gridinsoft Trojan Killer) 
• Trojan.Crossrider1
• Riskware.Win32.Agent
• PUP/Win32.CrossRider
• Win.Trojan.Crossrider
• Win32/Packed.ScrambleWrapper
• PUP.Optional.ComNotifications

How to figure out that your computer is infected with App Lid?

Here are some symptoms that indicate that your computer is infected with App Lid:

• you see a lot of advertising in your browsers;
• diffirent pop-up windows appear when you clicking on the elements of web pages;
• some unknown third-party extensions installed to your browser;
• unknown start page and search engine was installed withour your permissions;
• at least one of the following folders is present on your computer: 
• C:\Program Files\App Lid
• at least one of the following registry items is present on your computer:
• HKCU\Software\InstalledBrowserExtensions
• HKLM\Software\InstalledBrowserExtensions
• HKLM\SOFTWARE\App Lid
• HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\App Lid
• at least one of the following files is running on your computer:
• ee513a64-3d36-4736-a294-f5f86c20414a-4.exe
• ee513a64-3d36-4736-a294-f5f86c20414a-5.exe
• utils.exe
• at least one file with the following MD5 hashes is present on your computer:
  • E1E1E0859AB5288F48565FE7E298B84B
  • E0B51E31ED57BFF15187D68717B27D39
  • 9C35F18C5DB2C93B231FFB614EFB2058

How to get rid of App Lid?

Follow this guide to remove App Lid from your computer completely.

Step 1.  Try to remove App Lid using tools of Windows operating system.

If you have installed Windows 8, press Start button on the screen or Windows button on your keyboard, start typing "programs and features" and choose "Programs and Features" in the appeared menu:

Programs and Features

If you are using Windows 7, press Start button and choose "Control panel": 

Windows 7 start menu

Look for App Lid in the list of installed programs, select it and press Uninstall button:

App Lid uninstall

Now reboot your computer and check the result. If the advertising is still present, please move to the next step.

Step 2. Remove App Lid completely using Gridinsoft Trojan Killer tool

Gridinsoft Trojan Killer is a powerful all-in-one tool aimed to kill diffirent kinds of malware. It has no analogues on the quality of malware and browser hijackers removal. Gridinsoft Trojan Killer also has professional support team that can resolve your problem remotely even though Trojan Killer didn't find any threat on your PC.

Please, follow the guide below to remove App Lid malware from your computer.

• Download Gridinsoft Trojan Killer malware removal solution setup from the download link: Trojan Killer download link

• Close all your programs and browsers
• Install Gridinsoft Trojan Killer and run it by double-clicking on the icon on your desktop 

  

  Trojan Killer icon on the desktop

• Run Standart scan using Scan tab of your Trojan Killer

  

  Scan tab of Trojan Killer

• After the scanning completed mark all items as Move to quarantine and press Apply button to remove all dangerous items from your computer. Reboot your PC if Trojan Killer asks about it:

  

  Scan results

• Now you have to clean all your browsers. Go to Tools tab and press Reset browser settings button:

  

  Tools tab of Trojan Killer

• Mark all your browsers as shown below and press Reset button:

  

  Resetting browser settings

• Reboot your PC and check the result

Now your computer should be cleaned of App Lid virus. If you still notice any signs of App Lid, please send your request to the Trojan Killer Support. Specialists from Gridinsoft will help you to remove any kind of threats.

Please, notice that Trojan Killer Support service is able for registred users only.