Solidcaptcha.lm.r.appspot.com Virus. Ads Removal Guide

Written by Valdis Koks

Solidcaptcha.lm.r.appspot.com search hijacker is a kind of virus that infuses into your PC, and after that modifies the search engine configurations in your web browser to one which it desires. It additionally makes different unwanted changes that might cause private information leaks, as well as to other malware penetration. In this post, you will see the guide of Solidcaptcha.lm.r.appspot.com hijacker removal in a couple of options, and also the method of making your browser like new.

icon hijacker - Do I really need it?

Solidcaptcha.lm.r.appspot.com Info

Name Solidcaptcha.lm.r.appspot.com extension
Type Browser hijacker1
Short Description The unwanted software that amends important browser settings without the user’s permission.
Symptoms The Solidcaptcha.lm.r.appspot.com hijacker replaces the browser parameters set by the users and replaces these settings with its own values.
Distribution Method Bundling with Freeware or Shareware, misleading pop-up ads produced by adware.
Detection Tool Inspect If Your System Has Been Affected by the Solidcaptcha.lm.r.appspot.com hijacker.

The ways of injection of Solidcaptcha.lm.r.appspot.com search hijackers are assorted. Many of them come from the malware dispersing with the malvertising or evil-minded links of various websites. Frequently, your PC can be contaminated with this malware through the trojan-downloader, which is put to use to spread numerous other malware. There is a single kind of this undesirable program – web browser plugin that can build right into any internet browser which supports the add-on installation2.

You will not likely mount this plugin on your own, since their names are highly dubious, and also the capability is very controversial. The “creators” of Solidcaptcha.lm.r.appspot.com hijacker generally state that it can save the .doc/.docx documents from the websites already to .pdf format, or to download the entire website on your disk. It is extremely difficult to picture if somebody may be needed in such operations in 2023, when the Web access is not time-limited as well as every computer is able to open the needed .docx documents at Google Docs.

Nonetheless, besides their impracticality, they can simply be located in the Chrome Web Store. Obviously, virus experts sound the alarm regarding such spam into the legitimate source of web browser extensions, asking for the Google reaction – removing these extensions from their place. But they are still not hurrying to deal with that protection problem.

Icon - Your PC hijacker

Is the Solidcaptcha.lm.r.appspot.com virus?

At the first sight, you can assume that these redirects are just bothersome, but not risky. Because of this factor a great deal of users are simply playing for time rather than removing this malware, getting much more chances of being infected with numerous other malware, which are much more harmful than Solidcaptcha.lm.r.appspot.com is.

Besides the changed search engine or search results, you can also see different ads even on those sites that do not have any kind of advertisements on it by default. And you can just misclick while shutting off the promotion, and begin the downloading of an unfamiliar file, which can be a malware, or a potentially unwanted application, or perhaps ransomware – whatever the maintainers of this hijacker want.

If your browser is corrupted because of the Azorult trojan activity, the system can start malfunctioning in a short time – this symptome is one of the most common in case of trojan infiltration.

Icon - remove Solidcaptcha.lm.r.appspot.com hijacker

How to remove Solidcaptcha.lm.r.appspot.com?

First, let me say several words about prevention the Solidcaptcha.lm.r.appspot.com malware injection. It is really easy to refer to the techniques of protecting your personal computer from such annoying things as browser hijackers, however, it is very simple to be caught on this bait even being a qualified user. As it was mentioned above, this virus may hide after the attractive (at the first sight) ad, or in packs with other adware you may get in dozens of means. However, despite the usual difficulty of the injection approaches, it is really simple to prevent the Solidcaptcha.lm.r.appspot.com hijacker appearance in your system:

  • Do not follow the dubious links;
  • Restrict the usage of pseudo-free software (one which is offered as free, but has an additional unwanted programs in its pack);
  • Leave the habit of clicking advertisements on the web. If you need to buy something, it is better to google it;
  • Avoid downloading the files from dubious sources, like forums or file sharing websites.

Preparation before removing Solidcaptcha.lm.r.appspot.com.

Before starting the actual uninstall procedure, we recommend that you do the following introductory milestones.

  • Ensure you have this hand-operated tutorial always prepared to utilize.
  • Execute a back-up of every one of your data, including the saved logins, passwords as well as other qualifications. You must back up your info with a cloud backup service and also ensure your data are safeguarded from any kind of kind of loss, also from the most serious infections.
  • Wait until the durable back-up procedure is over.

Step 1: Uninstall Solidcaptcha.lm.r.appspot.com and related software from Windows

Here is a technique in couple of very easy steps that should have the ability to uninstall most applications. Either you use Windows 10, 8, 7, Vista or XP, these milestones will work well. Moving the app or its folder to the Trash can be a very wrong idea. In case you do that, remnants of the app may remain, and that can cause the unstable performance of your system, malfunctions with the file type associations and other unpleasant behavior. The effective solution to get an app off your device is to remove it manually. To do that:

1. Keep holding the Windows Logo Button and “R” on your keyboard. A Pop-up window will soon arrive.

Windows keyboard R

2. In the field that appeared, type in “appwiz.cpl” -1  and choose OK – 2.

Run appwiz.cpl

 

3. This will open a window with all the apps available on the device. Choose the app that you want to get rid of, then choose “Uninstall

Follow the steps above and you will successfully get rid of most unwanted apps.

Step 2: Get rid of Solidcaptcha.lm.r.appspot.com from all your available browsers.

Mozilla FirefoxGoogle ChromeInternet ExplorerMicrosoft Edge

1. Launch Mozilla Firefox. Go to its menu window

2. Choose the “Add-ons” icon in the menu.

3. Find the unwanted extension and select “Remove

Mozilla Firefox Add-ons Remove

4. Upon deleting the extension, reload Mozilla Firefox, closing it with the help of a red “X” button in the upper right corner and start it again.

1. Launch Google Chrome and go to its drop menu

Google Chrome drop menu click

2. Click on “Tools” and then in the extended menu select “Extensions

Google Chrome Tools select Extensions

3. In the “Extensions” menu find the unwanted extension and apply the “Remove” button related to it.

Google Chrome Extensions Remove

4. As soon as the extension is deleted, reload Google Chrome by closing it by means of the red “X” button at the top right corner and launch it again.

1. Launch Internet Explorer

2. Click on the gear icon marked ‘Tools’ to open the drop menu and choose ‘Manage Add-ons’

Manage-add-ons

3. In the “Manage Add-ons” window, locate the extension you want to delete and then click “Remove”. A pop-up window will come up to inform you that you are about to delete the selected extension, and some more add-ons might be disabled as well. Leave all the boxes checked, and choose “Remove”.

Internet Explorer extension removal

4. Once the unwanted extension is deleted, reload Internet Explorer by shutting it down from the red “X” button located at the top right corner and launch it again.

1. Launch Edge

2. Access the drop menu by clicking on the icon at the top right corner.

3. From the drop menu choose “Extensions”.

Microsoft Edge menu Extensions

4. Locate the suspected dangerous extension you want to delete and then click on the Remove button.

Microsoft Edge Extensions Remove

Step 3: Clean any registries that could be added by Solidcaptcha.lm.r.appspot.com on your device.

The usually attacked registries of Windows machines are the following:

  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce

You can access them by going to the Windows registry editor and getting rid of any values added by Solidcaptcha.lm.r.appspot.com. Follow the steps below:

  1. Start the Run Window command once again, type “regedit” and click OK.Window command regedit
  2. As soon as you open it, you can freely go to the Run and RunOnce keys, whose locations are displayed above.Window command Run and RunOnce keys
  3. You can delete the value of the virus by right-clicking on it and deleting it.Window command regedit delete the value virus

Tip: To locate a virus-created value, you can right-click on it and select “Modify” to find which file it is set to run. If this is the malware file location, delete the value.

Step 4: Scan for Solidcaptcha.lm.r.appspot.com with Loaris Trojan Remover

1. Click on the “Download” button to proceed to Loaris Trojan Remover download.

It is recommended to run a scan before purchasing the full version of the software to make sure that the current version of the malware can be detected by Trojan Remover. Click on the corresponding links to check License AgreementPrivacy Policy.

2. Click “Install” to start.

Loaris Trojan Remover Install

There were 4 scan types suggested:

  • Standard Scan.
  • Full Scan.
  • Custom Scan.
  • Removable Scan.

 

3. After the installed has finished, click on the ‘Scan’ tab. Click on ‘Full Scan’.

Loaris Trojan Remover Full Scan

4. Once the scanning is started, Loaris will initiate the thorough analysis of your device and may soon identify specific threats currently slowing down the performance of your system. Make sure to wait until the scanning is completed to let the software fully evaluate the safety of your workstation.

Loaris Trojan Remover - scan in process

5. After Loaris Trojan Remover has finished scanning your PC for any files of the associated threat and found them, you can try to get them removed automatically and permanently by clicking on the ‘Apply’ button. There were options to move the files to quarantine, ignore or delete them.

Loaris Trojan Remover - show viruses

If any threats have been removed, it is highly recommended to restart your PC.

 

  1. About browser hijackers on Wikipedia
  2. Possible danger of free browser extensions

About the author

Valdis Koks

Security engineer, reverse engineering and memory forensics

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