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Anatova ransomware. How to remove? (Uninstall guide)

removal by Jake Doevan - - | Type: Ransomware

Anatova ransomware is a crypto locker that does not append any extension to the encrypted files

Anatova ransomware
Anatova ransomware is a file locker that uses various distribution techniques to spread all over the world

Anatova is a ransomware-type virus that was discovered on January 16th by security researcher Valthek. While most malware of such type adds an extension at the end of the file, this one does not but does make all data inaccessible to its owners. After the encryption is complete, Anatova virus contacts a remote server to retrieve ransom note ANATOVA.TXT which explains what happened to the victims' computers. Users are prompted to pay 10 DASH cryptocurrency to the provided address and then email hackers via anatova2@tutanota.com or anatoday@tutanota.com. The associated executables of the virus are CallOfCthulhu.exe, 170fb7438316.exe, and anatova.exe.

Name Anatova
Type Ransomware
Distribution Spam emails, malicious files, hacked websites, drive-by downloads, fake updates, brute-force attacks, etc.
Discovery date January 16th 2019
Extension None
Ransom note ANATOVA.TXT
Contact anatova2@tutanota.com or anatoday@tutanota.com
Decryptable? No
Elimination Scan your with with Reimage or other software that is capable of detecting the payload

Anatova ransomware is a fairly new infection and does not seem to have connections to any known ransomware samples. Nevertheless, at the time of the writing, 35 AV engines on Virus Total detect the threat and Reimage, which is based on the Avira scan engine, is one of them.[1] Therefore, Anatova ransomware removal attempts might be unsuccessful if the anti-virus software does not identify it.

Anatova ransomware spreads with the help of multiple distribution techniques, including:

  • Spam emails;
  • Brute-force attacks
  • Hacked websites;
  • Repacked installers;
  • Drive-by downloads;
  • Cracks or keygens;
  • Fake updates, etc.

Soon after the installation, Anatova virus modifies Windows operating system to gain persistence and starts a system scan that seeks for files with pre-determined extensions, for example, .jpg, .doc, .mp3, .avi, .xtml, .html, .dat, .pdf, and many others. The data is then encrypted with a strong encryption algorithm which makes it unusable.

The ransom note states the following:

All your files are crypted. Only us can decrypt your files, you need pay 10 DASH in the address:

After the payment send us the address used to make the payment to one of these mail addresses:

anatova2@tutanota.com
anatoday@tutanota.com

Later wait for our reply with your decryptor. If you want can send us ONE JPG FILE ONLY max 200kb to decrypt per free before of payment.

Dont try fuck us, in this case you NEVER will recover your files. Nothing personal, only business.

Send this file untouched with your payment or/and free file!

As evident, crooks are willing to decrypt one picture file for free in order to prove that decryptor does work. Nevertheless, even it does work, and the test decryption is successful, it does not mean that Anatova ransomware authors will send the required unique key. They can simply ignore victims and keep the 10 DASH, which is approximately $700 at the time of the writing.

Additionally, paying criminals will prove them that ransomware works and is a lucrative business, encouraging them to create new, improved viruses that blackmail people. Therefore, do not contact hackers and remove Anatova ransomware instead.

While there is no decryption tool created for this particular virus yet, there are other methods that could work to recover the encoded data. If you had backups on a virtual or physical drive, you would be able to restore all your files without a problem, as long as you get rid of Anatova ransomware first.

If you did not prepare any backups, try data recovery software from third parties. We included all the instructions below, so make use of them.

Avoid ransomware infections while browsing the web

The reason why ransomware is so devastating is that people are not ready for it. They do not expect to get infected, neither do they use adequate protection measures. However, file locking malware is much more devastating than, let's say, adware, as it can lead to permanent personal data loss. Additionally, those who decide to pay crooks for the valuable data might lose the money as well.

Therefore, be prepared for ransomware, as digital data, like photos, videos are priceless memories (accordingly, lost information might result in millions of dollars in damages for businesses). Simply follow these tips prepared by industry experts:[2]

  • Download and install comprehensive security software and keep it up to date;
  • Install system and software patches on time;
  • Do not casually open attachments or click on links inside spam emails;
  • Avoid visiting high-risk websites, such as porn, gambling, or file-sharing;
  • Do not use cracks/keygens as these tools will most likely be flagged as malicious regardless if they actually are or not, so there is no way to check. Cybercriminals love injecting malicious scripts into cracks;
  • Be careful with torrents, as something like name.torrent.exe is malicious;
  • Disable Adobe Flash – it is an obsolete and unsafe technology that will soon be terminated;[3]
  • Backup your files regularly.

Get rid of Anatova ransomware with the help of anti-malware tool

Anatova ransomware removal should not cause any difficulties to most of the people, as long as reputable anti-virus software is used. We recommend choosing Reimage, although other security software can be useful as well.

Anatova virus might interfere with the normal operation of the security program. In such a case, we suggest you enter Safe Mode with Networking and perform a scan from there. This mode is a safe environment in which most or malware's functions are disabled.

Once you remove Anatova ransomware from your device, proceed with file recovery. Connect to your backup device and copy all the files to the desired folder. Alternatively, check our guide for data recovery software below.

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What to do if failed?
If you failed to remove virus damage using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to remove virus damage. 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.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Malwarebytes.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Combo Cleaner.

To remove Anatova virus, follow these steps:

Remove Anatova using Safe Mode with Networking

To remove Anatova ransomware safely, enter Safe Mode with Networking – it will temporarily stop the virus:

  • 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 Anatova

    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 Anatova removal.

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

Remove Anatova using System Restore

You can also try using System Restore to prevent stop the ransomware:

  • 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 Anatova. 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 Anatova removal is performed successfully.

Bonus: Recover your data

Guide which is presented above is supposed to help you remove Anatova from your computer. To recover your encrypted files, we recommend using a detailed guide prepared by 2-spyware.com security experts.

If your files are encrypted by Anatova, you can use several methods to restore them:

Try to recover your files with Data Recovery Pro

Data Recovery Pro is professional recovery software that can sometimes help ransomware victims.

  • Download Data Recovery Pro;
  • Follow the steps of Data Recovery Setup and install the program on your computer;
  • Launch it and scan your computer for files encrypted by Anatova ransomware;
  • Restore them.

Make use of Windows Previous Versions feature

If you had System Restore enabled before ransomware infected your PC, you could restore some files using this feature.

  • Find an encrypted file you need to restore and right-click on it;
  • Select “Properties” and go to “Previous versions” tab;
  • Here, check each of available copies of the file in “Folder versions”. You should select the version you want to recover and click “Restore”.

ShadowExplorer might be able to restore all your files

In case Anatova ransomware failed to remove Shadow Volume Copies, ShadowExplorer will be able to recover all your data.

  • Download Shadow Explorer (http://shadowexplorer.com/);
  • Follow a Shadow Explorer Setup Wizard and install this application on your computer;
  • Launch the program and go through the drop down menu on the top left corner to select the disk of your encrypted data. Check what folders are there;
  • Right-click on the folder you want to restore and select “Export”. You can also select where you want it to be stored.

No decryptor available

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from Anatova and other ransomwares, use a reputable anti-spyware, such as Reimage, Malwarebytes MalwarebytesCombo Cleaner or Plumbytes Anti-MalwareMalwarebytes Malwarebytes

About the author

Jake Doevan
Jake Doevan - Computer technology expert

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References