Ransom:Win32/Clop!MTB is a deadly computer virus that can leave affected files inaccessible. This virus uses a complex algorithmic pattern to lock the files. Most variants of Ransom:Win32/Clop!MTB also executes data renaming by appending various strings to file extensions. The primary objective of Ransom:Win32/Clop!MTB virus aims to hostage important computer files and takes advantage of the circumstances to extort money from victims.

Image of Ransom:Win32/Clop!MTB

How does it infect the computer?

Ransom:Win32/Clop!MTB spreads globally through various ransomware campaigns, usually initiated via human-operated modules. Most infection instances are observed to be leveraging phishing email campaigns where Ransom:Win32/Clop!MTB is deployed as an attachment to messages. It attacks enterprise networks by pretending to be valid business correspondence, engaging the subject of product inquiry, payment terms, banking details, shipping information, tax, salary, and so on.

Other ways to spread Ransom:Win32/Clop!MTB may exploit vulnerable services and software. A campaign that focuses on this attack includes web injections, drive-by-downloads, pirated software, and bogus software updates.

Once running on the computer and its network, Ransom:Win32/Clop!MTB steals credentials, including usernames, passwords, IP addresses, and other useful network and ISP information. Then, it infects other devices to obtain the same details. After scouting and stealing data from computers, Ransom:Win32/Clop!MTB installs the ransomware module and starts targeting important files.

How does this malware operate?

Ransom:Win32/Clop!MTB can perform different malicious actions once it penetrates the computer. It can download additional files from a remote server to enhance its presence and continuously send status updates about the infected system or network. Even though there are so many processes involved in the Ransom:Win32/Clop!MTB infection: the primary goal of this virus is to extort money from victims. As such, its task is to encrypt targeted files from the infected computer and hold them as hostages. Ransom:Win32/Clop!MTB asks for ransom money from victims as compensation for the decryption tool and key that are needed to restore all files back to their original format.


Your data may become encrypted and unusable at first if your computer is attacked with Ransom:Win32/Clop!MTB. Ransomware is well known for encrypting important data on a victim’s computer and making it useless until the attacker is paid a ransom. The ransom note that appears on your screen and demands money to unlock the decryption key is one of the most noticeable symptoms. This note sometimes contains payment instructions, usually in cryptocurrency, and a warning that if they are not followed within a certain amount of time, data loss may occur permanently.

Potentially changing filenames or extensions to indicate that the files have been encrypted is another sign of Ransom:Win32/Clop!MTB infection. Ransomware has the ability to alter the desktop backdrop and show pop-up notifications that highlight the ransom demand. To lessen the effects of a ransomware attack, it is crucial to quickly isolate the affected device, notify cyber security authorities of the situation, and obtain expert assistance for data recovery.

Versions of Ransom:Win32/Clop!MTB
Version Name Alert Level Date Added
Ransom:Win32/Clop.LKV!MTB Severe Dec. 22, 2023
Ransom:Win32/Clop!MTB is also detected as:
Avast Win32:RansomX-gen [Ransom]
Avira TR/Redcap.wrbtg
BitDefender Gen:Variant.Ransom.Clop.5
DrWeb Trojan.Encoder.37210
ESET-NOD32 A Variant Of Win32/Filecoder.Cl0p.K
F-Secure Trojan.TR/Redcap.wrbtg
Fortinet W32/Filecoder_cl0p.A!tr.ransom
Kaspersky HEUR:Trojan-Ransom.Win32.KlopRansom.gen
Malwarebytes Generic.Malware/Suspicious
McAfee GenericRXVF-TC!5E52F75D17C8
Panda Trj/RansomGen.A
TrendMicro Ransom_KlopRansom.R002C0PAP23

For more help

Various iterations of the Ransom:Win32/Clop!MTB is derived from a dangerous ransomware lineage. Specific guidelines for elimination can be found in the list of Ransomware, aiding users in addressing this particular threat.

How to remove Ransom:Win32/Clop!MTB?

To totally remove Ransom:Win32/Clop!MTB from the computer and get rid of relevant viruses and trojans, please execute the procedures as stated on this page. Make sure that you have completely scanned the system with the suggested malware removal tools and virus scanners.

Quick Fix - Scan the PC with Combo Cleaner for Windows

Combo Cleaner is a trusted PC security and optimization tool equipped with a powerful virus and malware detection engine. This program can get rid of hazardous viruses like Ransom:Win32/Clop!MTB through this procedure.

1. Download the application from the following page:

2. Save the file to your preferred location.

3. Double-click the downloaded file CCSetup.exe and install with the default settings.

CC for Windows Installation

4. At the end of the setup process, click Finish to run Combo Cleaner.

5. The tool will update the signature file, please wait for this process to complete.

6. To begin checking for threats like Ransom:Win32/Clop!MTB, click on the Start Scan button. Wait for this scan to finish.

CC for Windows Start Scan

7. At the end of the scan process, click on Remove all threats to delete the Ransom:Win32/Clop!MTB virus, including all malicious objects from the computer.

Free features of Combo Cleaner for Windows include Disk Cleaner, Big Files finder, Duplicate files finder, and Uninstaller. To use antivirus, privacy scanner, and to delete identified threats, users have to upgrade to a premium version.

Please continue with the succeeding removal procedures if you are comfortable manually getting rid of the virus and malicious items linked to it.

Step 1 : Start Windows in Safe Mode With Networking

Windows 10 / 11 Guide

1. Click on the Windows logo and select the Power icon when options pop up.
2. Select Restart from the options while pressing the Shift key on the keyboard.
3. Choose an Option window will appear. Select the Troubleshoot button.
4. In next window, please choose the Advanced Option.
5. On the Advanced Option window, click on Startup Settings, and then, click the Restart button to reboot the computer.
6. When Windows boots in Startup Settings, press the function key F5 or number 5 on the keyboard.

A simpler alternative for Windows 10 users is to scan the computer with Microsoft Defender Offline. This will run a virus scan in the recovery environment.

Windows 8 Guide

1. Click the Windows Start icon in the lower left section of the screen.
2. Open the Search window and type Advanced in the field. It will open General PC Settings.
3. Click on Advanced Startup, and then click on the Restart Now button.
4. Once the computer starts in the Advanced Startup option menu, select Troubleshoot.
5. Next, click on Advanced Options to reveal the next section.
6. Click Startup settings, and then click the Restart button to boot the PC in Startup Settings.
7. Use function key F5 or number key 5 to Enable Safe Mode with Networking.

Step 2 : Run a virus scanner

To remove Ransom:Win32/Clop!MTB, we suggest that you scan the infected computer with this powerful virus removal tool. It can detect and get rid of Trojans, viruses, malware, and adware from the infected computer. To fully protect the computer against Ransom:Win32/Clop!MTB or similar attacks, you can activate Sophos to have real-time scanning and complete defense against all forms of threats.

1. Download Sophos Virus Removal Tool from the link below. Save the file on your computer where you can easily access it.

2. Once the download completes, browse the location of the file. Double-click to run the program and begin the install process.

3. On the first window of installation wizard, click Next to continue. Then, it will display the program’s License Agreement. You need to Accept the terms in order to proceed. If Windows prompts for User Account Control, please click Yes to proceed.

Screenshot of Sophos EULA Page

4. On succeeding windows, click Next or Continue to carry on with the installation. After completing the installation process, Launch Sophos Virus Removal Tool.

5. An internet connection is required when running this scanner in order to download important updates. Make sure that everything is up-to-date to effectively remove viruses like Ransom:Win32/Clop!MTB.

6. Click the Start Scanning button to  carry out the Scan. This will check the system for the presence of malicious objects, malware, and viruses. The tool reveals items that were found linked to Ransom:Win32/Clop!MTB and other suspicious entities. Be sure to remove all identified threats.

Screenshot of Sophos Virus Scan

After executing the above instructions, Ransom:Win32/Clop!MTB should have been completely removed from the computer. If there are still signs of infection or the computer is displaying unusual behaviors, please continue with the remaining procedures.

Step 3 : Double Check with Windows Security Apps

Microsoft Windows has a built-in security application that you can use to double-check if your computer is still infected with Ransom:Win32/Clop!MTB. For Windows 8 and 10/11 users, please run Windows Security. Users of Windows Vista and older versions can utilize Microsoft Security Essentials to remove the Ransom:Win32/Clop!MTB virus.

Windows 8 / 10 / 11 Instructions:

Windows Security is a free tool that was built to help you remove Ransom:Win32/Clop!MTB, viruses, and other malicious items from Windows 8 or Windows 10/11 systems. Follow these procedures to scan your computer with the tool:

1. Tap or click the Search charm, search for Windows Security, and then open the application.

Image of Windows Security Search

2. On the Home tab, click Virus and threat protection from the sidebar.

3. On the main window, click on Scan Options. Then, click on Full Scan button.

Image of Scan Options

4. Lastly, click on the Scan now button to start scanning for the presence of Ransom:Win32/Clop!MTB. The process may take a while to complete.

5. After the scan, Delete/Quarantine identified threats, whether they were relevant to Ransom:Win32/Clop!MTB or not. You may now restart Windows to complete the virus removal process.

How to protect the computer from Ransom:Win32/Clop!MTB?

The initial defense that comes to mind for any computer user is to install an anti-virus or anti-malware program. This move is sensible and probably the most practical way to protect the computer against a Ransom:Win32/Clop!MTB attack. Hence, keep in mind that having security software does not guarantee full protection. The majority of the prevention still lies in being cautious of users, and therefore, we are providing the following information as guidelines to protect the computer from virus infection.

Avoid Malicious Websites

There are enormous numbers of websites that were made for the primary purpose of spreading Ransom:Win32/Clop!MTB. Normally, these sites are involved in integrating malicious pop-up and browser hijacker, that will eventually cause further virus infections. Avoid such websites.

Ignore and Delete Phishing Emails

The mass-mailing of computer viruses gives the attackers the luxury of spreading their malicious code in just one send-off. This will arrive in the inbox as an email that appears to be from a legitimate organization. So, if you receive an unexpected email with a link or an attached file, better delete it immediately.

Do Not Click a Suspicious Link

Links from social media, forums, and blog sites are sometimes being utilized by attackers to drive web users to a malicious page that contains malicious code. Therefore, do not just click on any link, especially if it looks suspicious. Accidental access to the destination site may lead to a Ransom:Win32/Clop!MTB infection.

Be Careful When Downloading Files

Cracked software, serial key generators, and several freeware are seen as another method that spreads the Ransom:Win32/Clop!MTB virus. Avoid acquiring these types of applications, and if there is a need to download freeware or shareware, be sure to obtain it from the official website or trusted providers.

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