Puscomosca.com Ads Pop-up. How to Remove?

Written by Valdis Koks

Puscomosca.com search hijacker is a sort of malware that injects into your personal computer, and after that changes the search engine configurations in your internet browser to one which it wants. It likewise makes some undesirable changes that can cause private information leaks, as well as to various other malware delivery. In this post, you will see the guide of Puscomosca.com hijacker removal in several options, as well as also the technique of making your browser just as good as new.

icon hijacker - Do I really need it?

Puscomosca.com info

Name Puscomosca.com extension
Type Browser hijacker1
Short Description The unwanted software that amends important browser settings without the user’s permission.
Symptoms The Puscomosca.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 Puscomosca.com hijacker.

The methods of injection of Puscomosca.com search hijackers are various. The majority of them belong to the malware spreading through the malvertising or malevolent links of different websites. Frequently, your computer can be contaminated with this virus through the trojan-downloader, which is used to disperse various other malware. There is a solitary kind of this unwanted program – web browser plugin that can build into any internet browser which supports the add-on installation2.

You will not likely install this plugin on your own, due to the fact that their names are really dubious, and the usefulness is very questionable. The “developers” of Puscomosca.com hijacker generally specify that it can save the .doc/.docx files from the web pages already to .pdf format, or to save the whole site on your disk. It is very tough to imagine if someone may be needed in such features in 2022, when the Web access is not time-limited as well as every system is able to start the needed .docx files at Google Docs.

Nevertheless, besides their impracticality, they may simply be found in the Chrome Web Store. Obviously, virus experts sound the alarm concerning such spam right into the legit source of web browser extensions, demanding the Google reaction – eliminating these extensions from their site. However, they are still not hurrying to fix that safety problem.

Icon - Your PC hijacker

Is the Puscomosca.com virus?

At the first blush, you may think that these redirects are just frustrating, but not dangerous. As a result of this factor a great deal of users are just playing for time as opposed to eliminating this malware, getting much more possibilities of being contaminated with various other viruses, which are a lot more harmful than Puscomosca.com is.

Besides the modified search engine or search engine result, you can likewise see different advertisements even on those internet sites that do not have any kind of promotions on it by default. And you can just misclick while shutting off the advertisement, and launch the downloading of an unrecognized file, which can be a virus, or a potentially undesirable application, or even ransomware – whatever the maintainers of this hijacker want.

If your browser is damaged as a result of the Azorult trojan activity, the system may start malfunctioning in a short time – this symptome is just one of the most typical in case of trojan injection.

Icon - remove Puscomosca.com hijacker

How to remove Puscomosca.com?

First, let me say several words about prevention the Puscomosca.com malware injection. It is extremely easy to refer to the techniques of securing your system from such frustrating things as browser hijackers, but it is extremely easy to be caught on this lure even being a skilled user. As it was pointed out above, this virus may hide after the eye-catching (at the first sight) ad, or in packs with various other adware you can get in dozens of manners. However, no matter the usual difficulty of the penetration methods, it is really simple to stay clear of the Puscomosca.com hijacker presence 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.
Puscomosca.com may remain persistent on your system and may re-infect it. We recommend you to download Trojan Remover and run free scan to get rid of all infected files on your device. This saves you a lot of time and efforts compared to the manual malware removal.

Preparation before removing Puscomosca.com.

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

  • Make certain you have this hands-on tutorial constantly all set to use.
  • Execute a back-up of every one of your information, including the stored logins, passwords and also various other credentials. You need to support your details with a cloud backup solution and make certain your files are shielded from any type of kind of loss, even from the most extreme infections.
  • Wait up until the long-lasting backup procedure is over.

Step 1: Uninstall Puscomosca.com and related software from Windows

Right here is a technique in few easy stages that should be able to uninstall most applications. Either you use Windows 11/10 or 7, 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 Puscomosca.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’


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 Puscomosca.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 Puscomosca.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.

Before starting “Step 4”, please boot back into Normal modein case you are currently in Safe Mode.
This will enable you to install and use Loaris Trojan Remover successfully.


Step 4: Scan for Puscomosca.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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