Trojan:Win32/Leonem Virus Removal (Leonem Trojan)

The Trojan:Win32/Leonem is a detection name used for a broad selection of malware. The one thing that unites all of them is the presence of spyware capabilities.

Win32/Leonem is a dangerous malware that can access all the information on your computer and even take control of it. It is crucial to remove such threats from your computer immediately. Anti-malware software will keep alerting you about the malware until you take action to remove it. Don’t ignore these alerts and take action to protect your computer from harm.

Trojan:Win32/Leonem actions

• Sample contains Overlay data;
• Reads data out of its binary image;
• The binary contains an unknown PE section name indicative of packing;
• Authenticode signature is invalid;
• Encrypting the documents located on the target’s drives — so the victim cannot check these documents;
• Blocking the launching of .exe files of anti-virus programs
• Blocking the launching of installation files of anti-malware programs

How to remove the Trojan:Win32/Leonem from my PC?

Manual Trojan:Win32/Leonem Removal

You can remove Trojan:Win32/Leonem manually, through the system Settings app. Click the Windows button with the right mouse button and find Settings in the appeared list. In Settings, go to Apps → Installed Apps menu.

There, find the apps you do not remember installing. If you know a specific one that Avast/AVG is complaining on with the Win32/Uwamson detection, seek for them. Click the three-dot symbol to the right, and then choose “Uninstall”.

Reset your browser settings

You may see the list of options for each browser. By default, they are set up in a manner that fits the majority of users. Press the “Reset” button (lower right corner). In a minute your browser will be as good as new.

Reset your browsers manually

To reset Edge, do the following steps:

1. Open “Settings and more” tab in upper right corner, then find here “Settings” button. In the appeared menu, choose “Reset settings” option:

2. After picking the Reset Settings option, you will see the following menu, stating about the settings which will be reverted to original:

For Mozilla Firefox, do the next actions:

1. Open Menu tab (three strips in upper right corner) and click the “Help” button. In the appeared menu choose “troubleshooting information”:

2. In the next screen, find the “Refresh Firefox” option:

After choosing this option, you will see the next message:

If you use Google Chrome

1. Open Settings tab, find the “Advanced” button. In the extended tab choose the “Reset and clean up” button:

2. In the appeared list, click on the “Restore settings to their original defaults”:

3. Finally, you will see the window, where you can see all the settings which will be reset to default:

Opera can be reset in the next way

1. Open Settings menu by pressing the gear icon in the toolbar (left side of the browser window), then click “Advanced” option, and choose “Browser” button in the drop-down list. Scroll down, to the bottom of the settings menu. Find there “Restore settings to their original defaults” option:


2. After clicking the “Restore settings…” button, you will see the window, where all settings, which will be reset, are shown:

When the browsers are reset, you need to ensure that your browser will connect the right DNS while connecting to the web page you need. Create a text file titled “hosts” on your pc’s desktop, then open it and fill it with the following lines¹:

1. Official Microsoft guide for hosts file reset.