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.dot virus. How to remove? (Uninstall guide)

removal by Lucia Danes - - | Type: Ransomware
12

.dot file virus sets out for the data hunt

If you noticed that all of your important files contain .dot file extensions, then you have been struck with .dot virus. Unfortunately, it is ransomware[1] which was specifically designed to encrypt users’ valuable personal files.  There is a wide variety of different types and forms of ransomware. Generally, dot files are used for containing configurations for system applications. This feature explains why users fall for the trick and get infected with this virus. Despite its misleading veneer, there are tips which would help you reduce the risk of executing hidden ransomware[2]. If this menace has fallen upon you, keep reading to find out about .dot virus removal.

It is known that the virus uses an elaborate AES encryption key to lock data[3]. Furthermore, Dot ransomware virus generates a public and private key. In the help_decrypt.txt file, it instructs to access Tor browser and access and transfer the indicated amount of bitcoins to the Bitcoin address. The sum varies depending on the type of victims: corporate or natural person. It is understandable if you are ready to pay the ransom to retrieve important documents. Nonetheless, we discourage you from doing so[4]. In addition, let us warn you not to purchase nor install .dot malware Decrypter promoted by the fraudsters. Even in the best case scenario, it helps decrypt files, it might leave a “farewell gift” – a malicious file which facilitates ransomware invasion in the future.

When did this virus occupy my system?

Speaking of the transmission methods, .dot hijack takes place via two channels: spam emails and exploit kits[5]. Cyber criminals have mastered various persuasion techniques. Thus, when you get an email which is seemingly sent from a governmental institution, do rush to open the attachments of such email. It might bear a highly troublesome content. Once the file is open, the malware gets activated, and it sets off to encrypt personal information. Additionally, we highly encourage you to install an anti-spyware program, for example, Reimage or Malwarebytes Anti Malware, to check your system for trojans or other malware. It is known that the .dot file extension virus also spreads via exploit kits. Due to their ability to disguise themselves as legitimate programs, some anti-virus applications might not detect them. That is why you need an additional cyber security software. Finally, let us move on the section where will tell you about the main methods to remove .dot file virus.

Is it possible to eradicate .dot file virus completely?

Regarding the complexity of this infection, you should install removal utility which will effectively and quickly remove .dot virus. Since the application is apt in locating potentially malicious files, that it eliminates all source files. Additionally, the program comes in handy while preventing minor malware. In case, your computer screen is locked and you cannot proceed with .dot virus removal, use the below-suggested methods to regain full access to vital system functions. After the malware is fully eradicated, consider the alternatives to restore your files. When the device is fully cleaned, develop a habit of backing up your files regularly.

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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 .dot virus. 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 .dot virus Removal Guide:

Remove .dot 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.

Enter the Safe Mode to remove the lock-screen and continue eliminating .dot file 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 .dot

    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 .dot removal.

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

Remove .dot using System Restore

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

System Restore is another alternative to regain full control.

  • 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 .dot. 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 .dot removal is performed successfully.

Bonus: Recover your data

Guide which is presented above is supposed to help you remove .dot 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 .dot, you can use several methods to restore them:

Data Recovery Pro option

It is one of the programs which are designed to restore files after they get damaged or deleted accidentally. It is also applicable in retrieving deleted emails.

What is Windows Previous Version function?

You might benefit from this function while restoring the data affected by .dot file extension ransomware.

  • 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”.

Make use of ShadowExplorer

The key advantage of this program is its ability to use shadow volume copies. This malware hardly deletes these copies beforehand, however, you should hurry up with the removal of the virus.

  • 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.

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

About the author

Lucia Danes
Lucia Danes - Virus researcher

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References

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  • Amanda

    These types of viruses becoming more and more terrifying. How are you supposed to distinguish between the legitimate .dot file and the one with the virus?

  • Daniel

    Guys, just update your security software!

  • Tyler

    Does ESSET work?

  • Kyle

    You should do fine if you dont have the habit of reading spam.

  • Megan

    I guess Ill wait until the hackers will come up with the decryption key…