Complete Teamo Ransomware Removal Guide (Full Instructions)

An infection with the dangerous Teamo Ransomware leads to serious security issues. Victims can restore and protect their computers by following our complete removal guide.

Remove Teamo Ransomware and Restore PC
Manual Removal Guide
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Distribution of Teamo Ransomware

The Teamo Ransomware is a malware threat which at the moment has been spotted in a very limited attack wave. Due to the yet unknown criminals behind its launch the security experts cannot deduce which is the primary distribution method. As such we suspect that the most popular strategies are going to be employed.

One of them relies on creating email messages in an automated way which all deliver the Teamo Ransomware to the targets. A common way of doing this is by attaching the strains directly to the messages. This is one of the easiest way for the criminals to attempt the infection. However a lot of email hosting providers usually capture the signatures of the virus and as such discard such messages or label them as dangerous or spam. Other infection methods related to this one is the option of inserting hyperlinks in the body content of the messages. The links are usually labeled as leading to a familiar website or a file of user interest. Redirects can redirect to hacker-controlled sites, infected payloads or other instances that can lead to an Teamo Ransomware infection.

The computer criminals behind the malware can create malicious sites or download portals which distribute malware of different kinds, including the Teamo Ransomware. A popular option is the use of infected documents which may be of different types ‒ spreadsheets, rich text documents, presentations and databases. They are modified to initiate the virus once the built-in scripts are run. Usually when the files are opened a notification will ask the users to run the macros (scripts). If this is done the infection follows.

The hacker-controlled sites are specialist portals that have been created either manually or automatically by the criminals behind the Teamo` Ransomware. They can either directly distribute the threat by initiating various scripts or automated operations or link to such instances. Redirects are usually caused by email interaction, ad networks or other browsing activity. However one of the main sources is the availability of browser hijackers. They are malicious addons made for the most popular web browsers ‒ Mozilla Firefox, Google Chrome, Internet Explorer, Opera, Microsoft Edge and Safari. Once installed they not only infect the users with the malware, but also redirect the victims to a hacker-controlled site. Depending on the configuration the browser hijackers can also steal sensitive information such as any stored passwords, account credentials, history, bookmarks, form data and settings.

Impact of Teamo Ransomware

The Teamo ransomware is a new Hidden Tear based malware strain which has just been discovered by security experts. The initial analysis shows that it is a customized version of the open-source Hidden Tear malware family. Its code is widely available on both the Internet and the Internet-based hacker communities.

A hacker or a criminal collective obtained its code and have made the sufficient modifications in order to create the virus. Fortunately the code analysis reveals that much of the basic code is still the same, as a result security software are able to quickly identify the infections and remove them. The analysts reveal that a very basic ransomware engine is used in the captured samples. It is very likely that this is a test or an initial version which can be updated in the near future.

Further updates can include any of the following feature additions:

  • Information Harvesting ‒ The criminals can steal sensitive data before the encryption process is started.
  • Trojan Module ‒ It can be used to spy on the victim machines and overtake control on request.
  • Additional Virus Delivery ‒ The Teamo ransomware can be used to deploy other malware to the target computers.

Once all preliminary steps have been made the ransomware process is started. Like other Hidden Tear samples it uses a list of target file type extensions. Viruses like this one tend to focus on the most popular data including the following:

  • Images
  • Videos
  • Music
  • Backups
  • Configuration Files
  • Backups

Once this is complete all processed files receive the .teamo extension. An image is used to replace the default desktop background which shows a text message displaying the following notice:

Tus Archivos Has Sido Encryptados
(Your files have been encrypted)
Tus archivos has sido encryptados, lo que sighifica que ya no puedes abrirlos. Debo decir que no existe manera que los podamos recoperar :(… Mentira, contactame. Zika
Your files have beeh encrypted, which means you can not open them any more. I must say there is no way that the recipes :(…
Lie, contact me. Zika
Atte. Your Friend Zika

A machine-translated version reads the following:

Your Files Have Been Encrypted
(Your files have been encrypted)
Your files have been encrypted, which means you can not open them anymore. I must say that there is no way we can recover them: (… Lie, contact me.
Your files have beeh encrypted, which means you can not open them any more. I must say there is no way that the recipes: (…
Lie, contact me. Zika
Atte. Your Friend Zika

As always we recommend that all users abstain from communicating with the hackers and use our full .Teamo ransomware removal guide below to recover their data and delete the active infections.

Remove Teamo Ransomware and Restore PC

WARNING! Manual removal of the Teamo Ransomware requires being familiar with system files and registries. Removing important data accidentally can lead to permanent system damage. If you don’t feel comfortable with manual instructions, download a powerful anti-malware tool that will scan your system for malware and clean it safely for you.

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SpyHunter anti-malware tool will diagnose all current threats on the computer. By purchasing the full version, you will be able to remove all malware threats instantly. Additional information about SpyHunter / Help to uninstall SpyHunter

Teamo Ransomware – Manual Removal Steps

Start the PC in Safe Mode with Network

This will isolate all files and objects created by the ransomware so they will be removed efficiently. The steps bellow are applicable to all Windows versions.

1. Hit the WIN Key + R

2. A Run window will appear. In it, write msconfig and then press Enter

3. A Configuration box shall appear. In it Choose the tab named Boot

4. Mark Safe Boot option and then go to Network under it to tick it too

5. Apply -> OK

Remove Teamo from Windows

Here’s a way to remove the program. This method will work regardless if you’re on Windows 10, 8, 7, Vista or XP. Simply selecting the program and pressing delete won’t work, as it’ll leave a lot of small files. That’s bad because these leftovers can linger on and cause all sorts of problems. The best way to delete a program is to uninstall it. Here’s how you can do that:

1. Hold the “Windows” button (It’s between CTRL and Alt on most keyboards) and press “R”. You’ll see a pop-up window.


2. In the textbox, type “appwiz.cpl”, then press“ Enter ”.


3. The “Programs and features” menu should now appear. It’s a list of all the programs installed on the PC. Here you can find the program, select it, and press “Uninstall“.


Remove Teamo Virus From Your Browser

Before resetting your browser’s settings, you should know that this action will wipe out all your recorded usernames, passwords, and other types of data. Make sure to save them in some way.

Removal guide for Mozilla Firefox Removal guide for Google Chrome Removal guide for Internet Explorer

    1. Start Mozilla Firefox. In the upper right corner, click on the Open menu icon and select “Add-ons“.

    2. Inside the Add-ons Manager select “Extensions“. Search the list of extensions for suspicious entries. If you find any, select them and click “Remove“.

    3. Click again on the Open menu icon, then click “Options“.

    4. In the Options window, under “General” tab, click “Restore to Default“.

    5. Select “Search” in the left menu, mark the unknown search engine and press “Remove”.

    1. Start Google Chrome. On the upper-right corner, there a “Customize and Control” menu icon. Click on it, then click on “Settings“.


    2. Click “Extensions” in the left menu. Then click on the trash bin icon to remove the suspicious extension.

    3. Again in the left menu, under Chrome, Click on “Settings“. Go under “On Startup” and set a new page.

    4. Afterward, scroll down to “Search“, click on “Manage search engines“.

    5. In the default search settings list, find the unknown search engine and click on “X“. Then select your search engine of choice and click “Make default“. When you are ready click “Done” button in the right bottom corner.

1. Start Internet Explorer. Go to the “Tools” menu and click on “Manage add-ons“.

2. In the “Manage add-ons” window, bellow “Add-on Types“, select “Toolbars and Extensions“. If you see a suspicious toolbar, select it and click “Remove“.

3. Then again in the “Manage Add-ons” window, in “Add-on Types“, Select “Search Providers“. Chose a search engine and click “Set as default“. Select the unknown search engine and click “Remove and Close”.

4. Open the Tools menu, select “Internet Options”.

5. In the “General” tab, in “Home page”, enter your preferred page. Click “Apply” and “OK”.

Repair Windows Registry

1. Again type simultaneously the WIN Key + R key combination

2. In the box, write regedit and hit Enter

3. Type the CTRL+ F and then write the malicious name in the search type field to locate the malicious executable

4. In case you have discovered registry keys and values related to the name, you should delete them, but be careful not to delete legitimate keys

Click for more information about Windows Registry and further repair help

Preventive Security Measures

  • Enable and properly configure your Firewall.
  • Install and maintain reliable anti-malware software.
  • Secure your web browser.
  • Check regularly for available software updates and apply them.
  • Disable macros in Office documents.
  • Use strong passwords.
  • Don’t open attachments or click on links unless you’re certain they’re safe.
  • Backup regularly your data.
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    Author : Martin Beltov

    Martin graduated with a degree in Publishing from Sofia University. As a cyber security enthusiast he enjoys writing about the latest threats and mechanisms of intrusion.

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