Onemacusa.net redirection – How to fix your browser?

Written by Valdis Koks

Onemacusa.net search hijacker is a type of malware that infuses into your computer system, and afterwards alters the browser search engine configurations in your browser to one which it wants. It likewise makes different undesirable modifications that can lead to private data leaks, in addition to various other malware injection. In this post, you will read the guide of Onemacusa.net hijacker removal in a couple of options, and additionally the method of making your web browser as good as new.

icon hijacker - Do I really need it?

Onemacusa.net hijacker nature

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

The ways of injection of Onemacusa.net search hijackers are assorted. Many of them come from the malware dispersing through the malvertising or evil-minded links of different websites. Occasionally, your system can be contaminated with this virus through the trojan-downloader, which is put to use to distribute various other malware. There is a solitary kind of this undesirable program – web browser plugin that can build right into any type of internet browser which supports the add-on installation2.

You will not likely add this plugin on your own, since their names are really suspicious, and also the functionality is very questionable. The “creators” of Onemacusa.net hijacker usually state that it can save the .doc/.docx documents from the sites already to .pdf format, or to download the whole website on your disk. It is extremely tough to picture if someone may be needed in such features in 2020, when the Internet access is not time-limited as well as every computer has the ability to open the needed .docx documents at Google Docs.

Nevertheless, besides their uselessness, they may simply be found in the Chrome Web Store. Obviously, virus experts sound the alarm regarding such spam right into the legit source of browser extensions, asking for the Google reaction – getting rid of these extensions from their site. However, they are still not hurrying to fix that protection issue.

Icon - Your PC hijacker

Is the Onemacusa.net virus harmful?

At the first sight, you may assume that these redirects are only bothersome, but not dangerous. Due to this factor a number of people are simply playing for time instead of eliminating this malware, getting increasingly more possibilities of being infected with various other malware, which are a lot more harmful than Onemacusa.net is.

Besides the changed browser search engine or search results, you may likewise see various promotions even on those internet sites that do not have any type of promotions on it by default. And you may easily misclick while closing the ad, and launch the downloading of an unidentified file, which may be a virus, or a potentially unwanted application, or even ransomware – whatever the maintainers of this hijacker want.

If your web browser is corrupted due to the Azorult trojan task, the system may begin malfunctioning in the near future – this symptome is just one of the most common in case of trojan injection.

Icon - remove Onemacusa.net hijacker

How to remove Onemacusa.net hijacker?

First, let me say several words about prevention the Onemacusa.net malware injection. It is very easy to discuss the techniques of protecting your personal computer from such irritating things as browser hijackers, but it is extremely easy to be caught on this lure even being a skilled user. As it was discussed above, this virus can hide after the eye-catching (at the first sight) promotion, or in packs with other adware you may get in dozens of methods. However, despite the usual intricacy of the injection approaches, it is extremely easy to avoid the Onemacusa.net 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.
Onemacusa.net may remain persistent on your system and may re-infect it. We recommend you to download LOARIS 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.
Keep in mind, that LOARIS TROJAN REMOVER is only for malware detection. If LOARIS TROJAN REMOVER detects malware on your PC, you will need to purchase LOARIS TROJAN REMOVER removal tool to delete the malware threats. Read our LOARIS TROJAN REMOVER. Click on the corresponding links to check LOARIS TROJAN REMOVER License AgreementPrivacy Policy .

Preparation before removing Onemacusa.net.

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

  • Make sure you have this hands-on tutorial constantly prepared to use.
  • Carry out a back-up of every one of your data, including the saved logins, passwords as well as other credentials. You ought to back up your info with a cloud backup service and also make certain your data are shielded from any type of loss, also from the most severe infections.
  • Wait till the resilient back-up process mores than.

Step 1: Uninstall Onemacusa.net and related software from Windows

Right here is a method in couple of easy steps that must be able 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 Onemacusa.net 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 Onemacusa.net 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 Onemacusa.net. 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.

IMPORTANT!
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 Onemacusa.net 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 LOARIS TROJAN REMOVER. Click on the corresponding links to check LOARIS TROJAN REMOVER 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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