Win32/Packed.Themida.CL suspicious Virus Removal

When you see Win32/Packed.Themida.CL suspicious malware detection detection means that your system is in danger. This malware can correctly be named ransomware, which encrypts your files and asks you to pay for their decryption.

Malware developers use a program called Themida to pack malware, making it hard for antivirus programs to detect and analyze it. Antivirus programs use the name Win32/Packed.Themida.CL to identify this kind of malware. WWin32/Packed.Themida.CL infects computers via malicious links, attachments, or hacked sites and can harm your computer’s performance. Once installed, Win32/Packed.Themida.CL can perform a variety of malicious activities, including:

  • Download and install other malware
  • Steal personal information, such as passwords, credit card numbers, and Social Security numbers
  • Spy on online activity
  • Use the computer for click fraud
  • Disable security features
  • Disrupt system performance or cause system failure
The files reported as Win32/Packed.Themida.CL may not necessarily be malicious. If you are uncertain whether a file is malicious or a false positive detection, you can submit the affected file to https://gridinsoft.com/online-virus-scanner for scanning with a free online antivirus engine.

How to remove the Win32/Packed.Themida.CL from my PC?

Manual Win32/Packed.Themida.CL Removal

You can remove Win32/Packed.Themida.CL 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.

Manual removal

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”.

Remove Malware

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. Reseting the Edge browser
  3. 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. The first step to revert Mozilla Firefox
  3. In the next screen, find the “Refresh Firefox” option:
  4. The second step of Firefox restoration
    After choosing this option, you will see the next message:
    The last step for Firefox
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:


# Copyright (c) 1993-2006 Microsoft Corp.
#
# This is a sample HOSTS file used by Microsoft TCP/IP for Windows.
#
# This file contains the mappings of IP addresses to host names. Each
# entry should be kept on an individual line. The IP address should
# be placed in the first column followed by the corresponding host name.
# The IP address and the host name should be separated by at least one
# space.
#
# Additionally, comments (such as these) may be inserted on individual
# lines or following the machine name denoted by a '#' symbol.
#
# For example:
#
# 102.54.94.97 rhino.acme.com # source server
# 38.25.63.10 x.acme.com # x client host
# localhost name resolution is handle within DNS itself.
# 127.0.0.1 localhost
# ::1 localhost

References

  1. Official Microsoft guide for hosts file reset.

About the author

Robert Bailey

Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

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