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TeslaCrypt 4.1b. How to remove? (Uninstall guide)

removal by Linas Kiguolis - - | Type: Ransomware
12

What is new with the TeslaCrypt 4.1b virus version?

The security experts have recently issued a report that a new TeslaCrypt 4.1b version of the notorious TeslaCrypt virus was released. We want to inform the readers who are not yet aware of this virus that it is a program you should avoid by all means. It is a ransomware-type virus, which means that once it infiltrates the computer, it scans it for files, encrypts them with a complex algorithm and asks the victim to pay a considerable amount of money to receive the access to the locked files. TeslaCrypt has already released TeslaCrypt 2.0, TeslaCrypt 3.0 and TeslaCrypt 4.0, which featured some minor modifications in the amount of ransom offered from the users and improving their encryption, with each version making the file decryption increasingly more difficult. It is possible that the virus may as well update itself to the latest version while residing on the PC, so it essential to remove TeslaCrypt 4.1b ransomware from the computer before you face even more destructive consequences. You can try using sophisticated antivirus tools like Reimage for this purpose, but you have to be aware that the virus may try blocking the antivirus from working, so it might need some extra help to initiate.

An illustration of TeslaCrypt 4.1b virus

TeslaCrypt version 4.1b is a very recent update to this program, and few users are infected by it; therefore, the researchers are still working on determining what has specifically changed since its previous versions. It seems that in the newest version, the ransom notes the victims find on every folder containing infected data retain their former filenames: -!RecOveR!-[random_chars]++.Txt, -!RecOveR!-[random_chars]++.Png or -!RecOveR!-[random_chars]++.Htm. What is new about this program are a couple of new gateway hosts, p23cb.bobodawn.at and y4bxj.adozeuds.com added to the list of websites where the victim can transfer the ransom. Of course, the demand to pay in BitCoins also remains. The current TeslaCrypt version also uses C:\Windows\system32\wbem\WMIC.exe shadowcopy delete /nointeractive command to delete the Shadow Volume Copies of the files on the victim’s computer. However, it is not certain if this WMIC (Windows Management Instrumentation Command-line) has not been used by the previous versions of the virus as well. Either way, the occurrence of new versions of TeslaCrypt ransomware only prove that the virus creators are continuously working on improving this program to bring even more trouble to its victims and antivirus software developers. We have to point out again that TeslaCrypt 4.1b removal is essential to help stop such malicious programs from spreading because the more people get convinced into paying for their files, the more profit, and motivation the ransomware creators receive.

How can this ransomware infiltrate my computer?

It has not been noticed yet if the TeslaCrypt 4.1b version spreads any different that its previous versions. So, this means you can get infected if you are not careful about opening newly received emails. Usually, TeslaCrypt will arrive at your computer in a spam email as an attached JavaScript file named invoice_2h04qd.js. DO NOT download or open this file if it turns up in your email. The email itself might try to convince you that the attached file contains some important information, but beware! The file carried a code which, when activated, downloads TeslaCrypt 4.1b into your computer. Usually, suspicious emails like these are automatically sent to the “Spam” folder by your email provider; however, you can never be sure that these malicious programs will not slip to your regular inbox as well. Therefore, it is necessary to equip your computer with the best antivirus software and try to act more cautiously online yourself.

TeslaCrypt 4.1b removal recommendations:

As already mentioned in this article, TeslaCrypt 4.1b virus cannot be gotten rid of that easily, but it is advisable to remove TeslaCrypt 4.1b virus from the computer without a delay. You may have to use the manual guide provided below to help your antivirus start and remove the virus. You also have to keep in mind that if you have some backup files on an external drive that you want to restore on your computer, you have to make sure that the TeslaCrypt 4.1b removal was completed thoroughly. However, the easiest way to decrypt your files is to install this TeslaCrypt decryption tool and let it recover your files for you.

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What to do if failed?
If you failed to remove infection using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to uninstall TeslaCrypt 4.1b. Free scanner allows you to check whether your PC is infected or not. If you need to remove malware, you have to purchase the licensed version of Reimage malware removal tool.

More information about this program can be found in Reimage review.

More information about this program can be found in Reimage review.

Manual TeslaCrypt 4.1b Removal Guide:

Remove TeslaCrypt 4.1b using Safe Mode with Networking

Reimage is a tool to detect malware.
You need to purchase Full version to remove infections.
More information about Reimage.

  • Step 1: Reboot your computer to Safe Mode with Networking

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Safe Mode with Networking from the list Select 'Safe Mode with Networking'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Networking in Startup Settings window. Select 'Enable Safe Mode with Networking'
  • Step 2: Remove TeslaCrypt 4.1b

    Log in to your infected account and start the browser. Download Reimage or other legitimate anti-spyware program. Update it before a full system scan and remove malicious files that belong to your ransomware and complete TeslaCrypt 4.1b removal.

If your ransomware is blocking Safe Mode with Networking, try further method.

Remove TeslaCrypt 4.1b using System Restore

Reimage is a tool to detect malware.
You need to purchase Full version to remove infections.
More information about Reimage.

  • Step 1: Reboot your computer to Safe Mode with Command Prompt

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Command Prompt from the list Select 'Safe Mode with Command Prompt'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Command Prompt in Startup Settings window. Select 'Enable Safe Mode with Command Prompt'
  • Step 2: Restore your system files and settings
    1. Once the Command Prompt window shows up, enter cd restore and click Enter. Enter 'cd restore' without quotes and press 'Enter'
    2. Now type rstrui.exe and press Enter again.. Enter 'rstrui.exe' without quotes and press 'Enter'
    3. When a new window shows up, click Next and select your restore point that is prior the infiltration of TeslaCrypt 4.1b. After doing that, click Next. When 'System Restore' window shows up, select 'Next' Select your restore point and click 'Next'
    4. Now click Yes to start system restore. Click 'Yes' and start system restore
    Once you restore your system to a previous date, download and scan your computer with Reimage and make sure that TeslaCrypt 4.1b removal is performed successfully.

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from TeslaCrypt 4.1b and other ransomwares, use a reputable anti-spyware, such as Reimage, Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus or Malwarebytes Anti Malware

About the author

Linas Kiguolis
Linas Kiguolis - Expert in social media

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  • Pauline_Helbert

    Another version?? It will never going to be enough for these crooks, will it?

  • MaliceA134

    They must have done something to strenghten the teslacrypt encryption…. Ill be waiting for another update!