Remove TeslaCrypt 4.2 (Virus Removal Guide)

removal by Olivia Morelli - - | Type: Ransomware

TeslaCrypt 4.2 Removal Guide

What is TeslaCrypt 4.2?

TeslaCrypt 4.2 virus: updated and more aggressive

If you haven’t heard about the newest version of TeslaCrypt – TeslaCrypt 4.2 virus – then we are glad to enlighten about this new sample of ransomware. This particular threat is programmed for a hideous task – to encrypt personal data and require a ransom in exchange for it. This family of viruses has already built up enough experience of hijacking computers, since hackers restlessly create new versions. It is not expected that this virus will be less treacherous or less damaging. Cyber criminals only introduced minor new features. One of them is the changed design of ransom note. If you happen to get in to the victim list, then it is crucial to remove TeslaCrypt 4.2 virus as soon as possible.

If we take a look at general history of the malware, the virus started off as a relatively minor ransomware version infecting gamers’ computers. The decryption key might have been found in the system. Thus, it didn’t cause major problems. Within time, cyber criminals have improved significantly. The previous version TeslaCrypt 4.0 version uses an elaborate encryption algorithm. Moreover, it didn’t attach any extensions to the encrypted files. Thus, detecting the virus itself became a challenge. Speaking of current version, TeslaCrypt 4.2 ransomware, leaves these files:

%UserProfile%\Desktop\!RecoveR!-[5_characters]++.HTML
%UserProfile%\Desktop\!RecoveR!-[5_characters]++.PNG
%UserProfile%\Desktop\!RecoveR!-[5_characters]++.TXT

The note of TeslaCrypt 4.2

Moreover, the size of the file with recovery instructions has been changed from 256B to 272 bytes. The virus also injects C:\Windows\System32\vssadmin.exe. In comparison with older versions, the current malware deletes copies of the locked files as well.

The distribution ways of TeslaCrypt 4.2 malware

The virus disperses the same way as previous versions. It can infect computers via spam email attachments. In relation, cyber criminals are especially crafty at this. They convince victims into opening an infected email by deceiving them with false invoice notifications, alerts which look like to be sent from governmental institutions. Thus, once users open it, the virus extracts itself.

Moreover, it seems that hackers didn’t try to leave an impression in creating a dramatic design of the ransom note. The file which is entitled as -!recover!-!file!-.txt looks like an ordinary Notepad text file informing of the locked files and providing instructions to recover the encrypted files. Hackers deliver the links to access Tor browser to remit the payment. If your computer was targeted as well, do not foster any hopes to get the data back. From the beginning when the first version was released, cyber criminals have managed to collect a terrific amount of money. However, in May 2016, authors of TeslaCrypt virus shut down the project and released the decryption key, so now you can recover your files for free. Go to page 2 to find out how to recover your files.

Furthermore, you should be aware that TeslaCrypt 4.2 might attack PCs via exploit kits as well. They might come in a different forms: trojans, worms, Java script files. Particularly trojans have an ability to slip into the system without getting stopped by anti-virus software. Thus, it is crucial to have a powerful anti-spyware program. Now let us proceed to TeslaCrypt 4.2 removal. You can use ReimageIntego for that.

TeslaCrypt 4.2 removal guidelines

First of all, focus on deleting TeslaCrypt 4.2 virus permanently. The best choice would be to install an anti-spyware program which is specifically designed for dealing with malware and ransomware. It can also detect trojans. Once you remove TeslaCrypt 4.2, use this TeslaCrypt decryption tool to recover your files. You should think about alternatives to store your data, since the only reason your can decrypt TeslaCrypt is because it has released its master key. That means other ransomware threats are still extremely dangerous, and if one of them would slither into your computer system, your files might be lost forever. DVDs, USB sticks, online data storage domains can be perceived as possible options to store backups. However, note that ransomware also infects data storage devices if they are plugged into the computer at the time of infection. That is why updating your cyber security programs is a necessity.

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What to do if failed?
If you failed to remove virus damage using Reimage Intego, submit a question to our support team and provide as much details as possible.
Reimage Intego has a free limited scanner. Reimage Intego offers more through scan when you purchase its full version. When free scanner detects issues, you can fix them using free manual repairs or you can decide to purchase the full version in order to fix them automatically.
Alternative Software
Different software has a different purpose. If you didn’t succeed in fixing corrupted files with Reimage, try running SpyHunter 5.
Alternative Software
Different software has a different purpose. If you didn’t succeed in fixing corrupted files with Intego, try running Combo Cleaner.

Getting rid of TeslaCrypt 4.2. Follow these steps

Manual removal using Safe Mode

Important! →
Manual removal guide might be too complicated for regular computer users. It requires advanced IT knowledge to be performed correctly (if vital system files are removed or damaged, it might result in full Windows compromise), and it also might take hours to complete. Therefore, we highly advise using the automatic method provided above instead.

Step 1. Access Safe Mode with Networking

Manual malware removal should be best performed in the Safe Mode environment. 

Windows 7 / Vista / XP
  1. Click Start > Shutdown > Restart > OK.
  2. When your computer becomes active, start pressing F8 button (if that does not work, try F2, F12, Del, etc. – it all depends on your motherboard model) multiple times until you see the Advanced Boot Options window.
  3. Select Safe Mode with Networking from the list. Windows 7/XP
Windows 10 / Windows 8
  1. Right-click on Start button and select Settings.
    Settings
  2. Scroll down to pick Update & Security.
    Update and security
  3. On the left side of the window, pick Recovery.
  4. Now scroll down to find Advanced Startup section.
  5. Click Restart now.
    Reboot
  6. Select Troubleshoot. Choose an option
  7. Go to Advanced options. Advanced options
  8. Select Startup Settings. Startup settings
  9. Press Restart.
  10. Now press 5 or click 5) Enable Safe Mode with Networking. Enable safe mode

Step 2. Shut down suspicious processes

Windows Task Manager is a useful tool that shows all the processes running in the background. If malware is running a process, you need to shut it down:

  1. Press Ctrl + Shift + Esc on your keyboard to open Windows Task Manager.
  2. Click on More details.
    Open task manager
  3. Scroll down to Background processes section, and look for anything suspicious.
  4. Right-click and select Open file location.
    Open file location
  5. Go back to the process, right-click and pick End Task.
    End task
  6. Delete the contents of the malicious folder.

Step 3. Check program Startup

  1. Press Ctrl + Shift + Esc on your keyboard to open Windows Task Manager.
  2. Go to Startup tab.
  3. Right-click on the suspicious program and pick Disable.
    Startup

Step 4. Delete virus files

Malware-related files can be found in various places within your computer. Here are instructions that could help you find them:

  1. Type in Disk Cleanup in Windows search and press Enter.
    Disk cleanup
  2. Select the drive you want to clean (C: is your main drive by default and is likely to be the one that has malicious files in).
  3. Scroll through the Files to delete list and select the following:

    Temporary Internet Files
    Downloads
    Recycle Bin
    Temporary files

  4. Pick Clean up system files.
    Delete temp files
  5. You can also look for other malicious files hidden in the following folders (type these entries in Windows Search and press Enter):

    %AppData%
    %LocalAppData%
    %ProgramData%
    %WinDir%

After you are finished, reboot the PC in normal mode.

Remove TeslaCrypt 4.2 using System Restore

  • 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 4.2. 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 ReimageIntego and make sure that TeslaCrypt 4.2 removal is performed successfully.

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from TeslaCrypt 4.2 and other ransomwares, use a reputable anti-spyware, such as ReimageIntego, SpyHunter 5Combo Cleaner or Malwarebytes

How to prevent from getting ransomware

Stream videos without limitations, no matter where you are

There are multiple parties that could find out almost anything about you by checking your online activity. While this is highly unlikely, advertisers and tech companies are constantly tracking you online. The first step to privacy should be a secure browser that focuses on tracker reduction to a minimum.

Even if you employ a secure browser, you will not be able to access websites that are restricted due to local government laws or other reasons. In other words, you may not be able to stream Disney+ or US-based Netflix in some countries. To bypass these restrictions, you can employ a powerful Private Internet Access VPN, which provides dedicated servers for torrenting and streaming, not slowing you down in the process.

Data backups are important – recover your lost files

Ransomware is one of the biggest threats to personal data. Once it is executed on a machine, it launches a sophisticated encryption algorithm that locks all your files, although it does not destroy them. The most common misconception is that anti-malware software can return files to their previous states. This is not true, however, and data remains locked after the malicious payload is deleted.

While regular data backups are the only secure method to recover your files after a ransomware attack, tools such as Data Recovery Pro can also be effective and restore at least some of your lost data.

About the author
Olivia Morelli
Olivia Morelli - Ransomware analyst

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