Home > Ransomware > .doubleoffset Files Virus – How to Remove and Restore Files

.doubleoffset Files Virus – How to Remove and Restore Files

This article has been created in order to help you by explaining how to remove the .doubleoffset files virus from your PC and how to restore encrypted files.

A new version of the notorious Cryakl ransomware has been detected in the wild. The version is v1.5.1.0 and aims to encrypt the files on the victimized computers. In addition to this, the .doubleoffset file extension is also added to the encrypted files along with possibly a ransom note which demands from victims to pay a hefty ransom fee in order to decrypt the encrypted files. In case you computer is among the ones infected by the .doubleoffset files virus, recommendations are to read the following article and focus on removing this malware from your computer and restoring your files.

Threat Summary

Name .doubleoffset Virus
Type Ransomware, Cryptovirus
Short Description A variant of the Cryakl Ransomware family. Aims to encrypt the files on your computer and ask for a hefty ransom payoff in order to restore them.
Symptoms The files on the infected computer are encrypted with an extension, pointing to the e-mail dorispackman@tuta.io and .doubleoffset suffix is added to them.
Distribution Method Spam Emails, Email Attachments, Executable files
Detection Tool See If Your System Has Been Affected by malware


Malware Removal Tool

User Experience Join Our Forum to Discuss .doubleoffset Virus.
Data Recovery Tool Windows Data Recovery by Stellar Phoenix Notice! This product scans your drive sectors to recover lost files and it may not recover 100% of the encrypted files, but only few of them, depending on the situation and whether or not you have reformatted your drive.

.doubleoffset Files Virus — April 2019 Update

In April 2019 a new outbreak of the .doubleoffset ransomware has been detected using a new ransomware note. This means that it is very likely that a different hacking collective is likely to be behind them. The reason for this is probably that the Cryakl ransomware code has been released in the dark underground markets and available for customization. Hacking collectives can offer their services for this or the hackers can create the new samples by themselves.

As soon as the included modules have finished running the ransomware operations will commence thus encrypting the files with the .doubleoffset extension.

.doubleoffset Ransomware – Distribution Methods

The Cryakl ransomware infection is the type of malware that can slither into your PC via a multitude of ways. For starters, the virus may use obfuscation methods which can help it to remain undetected by antivirus engines. In addition to this, the ransomware infection also may use other forms of infection files which enter your computer via a Remote Desktop Protocols, a malicious infection kit and exploits for Windows vulnerabilities. The infection process may be conducted by sending you an e-mail which may contain a malicious e-mail attachment (the infection file) pretending to be a:

  • Receipt.
  • An invoice.
  • Order receipt.
  • Fake banking statement.

If you receive the file via an e-mail, the file may be a JavaScript type, a .vbs type of a script or even a disguised .docm type of file for Microsoft Word which can infect your computer via malicious macros. In addition to this, the cyber-criminals can also imitate the e-mail is coming from a large company to increase the trust in victims, for example:

In addition to via e-mail, this variant of Cryakl may also be uploaded online, imitating a legitimate type of programs, like:

  • Setups of software or games.
  • Game or program patches, cracks, key generators or other forms of license activators.

.doubleoffset Files Virus – More Information

As soon as infection has been performed, the variant of Cryakl drops it’s malicious files on the compromised computer, similar to what other variants of this virus do. During this process, the computer of victims may stagger and even freeze for a brief moment. The malicious files of the .doubleoffset files virus may be dropped in the following Windows folders under different filenames:

As soon as the .doubleoffset files virus has completed the file dropping process, the ransomware may begin to perform malicious tasks on the victim’s computer, among which may be the following:

  • Create mutexes.
  • Touch important Windows files.
  • Interfere with the Windows Registry Editor.

The virus may target the Run and RunOnce Windows Registry sub-keys in order to add registry values with their corresponding data which makes it possible for the malicious files of the .doubleoffset ransomware to run automatically on system boot. The locaton of the sub-keys in most Windows Versions is the following and in them you may find the value strings with random names:

→ HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run

In addition to interfering with the Windows Registry sub-keys, the ransomware may also perform other activities on the compromised computer, such as disable the Windows recovery services and delete the shadow volume copies within the infected PC in order to sabotage file recovery via those methods. The virus may do this by executing the following administrator commands in Windows Command Prompt:

→ process call create “cmd.exe /c vssadmin.exe delete shadows /all /quiet & bcdedit.exe /set {default} recoveryenabled no & bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures”

.doubleoffset Files Virus – Encryption Procedure

The Cryakl .doubleoffset ransomware aims to perform different activities prior to encrypting files. Firstly, the virus checks if it’s running on a virtual drive of some sort and if this is not the case, the malware immediately deletes itself. If not, the .doubleoffset ransomware may scan for and encrypt the following types of files on your computer:

  • Audio files.
  • Videos.
  • Pictures.
  • Archives.
  • Microsoft Office and other document file types.

The virus may also have a whitelist of Windows system folders on which it does not encrypt files at all, such as %Windows% and other types of folders.

After the Cryakl ransomware has attacked your computer and encrypted the files on it, it may leave them with a rather long file extension and an e-mail, like the picture below shows:

As visible from the picture above, the virus aims to get the victims to open it’s README.txt file, containing what appears to be instructions on what to do to get your files back. Researchers, strongly recommend not to pay the ransom and to remove this ransomware virus and try to restore your files via other methods as well.

Remove Cryakl Ransomware and Restore .doubleoffset Files

In order to eliminate this ransomware infection completely from your computer system, recommendations are to follow the removal instructions underneath this article. They are specifically created in order to help you delete the virus files either manually or automatically, based on how much experience you have in removing malware. If you lack such experience or do not feel confident that you have removed this ransomware completely, experts always outline that using an anti-malware software to remove this ransomware automatically is the best method to go for.

If you want to restore .doubleoffset encrypted files on your PC, do not panic, because there is more than one method to do so. You can try the alternative methods underneath this article in step “2. Restore files, encrypted by .doubleoffset Virus” down belw. They may not be a 100% solution to recovering your data, but may help you restore as many encrypted files as possible.

Ventsislav Krastev

Ventsislav is a cybersecurity expert at SensorsTechForum since 2015. He has been researching, covering, helping victims with the latest malware infections plus testing and reviewing software and the newest tech developments. Having graduated Marketing as well, Ventsislav also has passion for learning new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management, Network Administration and Computer Administration of System Applications, he found his true calling within the cybersecrurity industry and is a strong believer in the education of every user towards online safety and security.

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Attention! SensorsTechForum strongly recommends that all malware victims should look for assistance only by reputable sources. Many guides out there claim to offer free recovery and decryption for files encrypted by ransomware viruses. Be advised that some of them may only be after your money.

As a site that has been dedicated to providing free removal instructions for ransomware and malware since 2014, SensorsTechForum’s recommendation is to only pay attention to trustworthy sources.

How to recognize trustworthy sources:

  • Always check "About Us" web page.
  • Profile of the content creator.
  • Make sure that real people are behind the site and not fake names and profiles.
  • Verify Facebook, LinkedIn and Twitter personal profiles.


with Anti-Malware
We recommend you to download SpyHunter and run free scan to remove all virus files on your PC. This saves you hours of time and effort compared to doing the removal yourself.
SpyHunter 5 free remover allows you, subject to a 48-hour waiting period, one remediation and removal for results found. Read EULA and Privacy Policy

About the .doubleoffset Virus Research

The content we publish on SensorsTechForum.com, this .doubleoffset Virus how-to removal guide included, is the outcome of extensive research, hard work and our team’s devotion to help you remove the specific malware and restore your encrypted files.

How did we conduct the research on this ransomware?

Our research is based on an independent investigation. We are in contact with independent security researchers, and as such, we receive daily updates on the latest malware and ransomware definitions.

Furthermore, the research behind the .doubleoffset Virus ransomware threat is backed with VirusTotal and the NoMoreRansom project.

To better understand the ransomware threat, please refer to the following articles which provide knowledgeable details.


1. How to Recognize Spam Emails with Ransomware
2. How Does Ransomware Encryption Work?
3. How to Decrypt Ransomware Files
4. Ransomware Getting Greedier and Bigger, Attacks Increase by 40%
5. 1 in 5 Americans Victim of Ransomware

Windows Mac OS X

How to Remove .doubleoffset Virus from Windows.

Step 1: Boot Your PC In Safe Mode to isolate and remove .doubleoffset Virus


Manual Removal Usually Takes Time and You Risk Damaging Your Files If Not Careful!
We Recommend To Scan Your PC with SpyHunter

Keep in mind, that SpyHunter’s scanner is only for malware detection. If SpyHunter detects malware on your PC, you will need to purchase SpyHunter's malware removal tool to remove the malware threats. Read our SpyHunter 5 review. Click on the corresponding links to check SpyHunter's EULA, Privacy Policy and Threat Assessment Criteria

1. Hold Windows Key + R.

2. The "Run" Window will appear. In it, type "msconfig" and click OK.

3. Go to the "Boot" tab. There select "Safe Boot" and then click "Apply" and "OK".

Tip: Make sure to reverse those changes by unticking Safe Boot after that, because your system will always boot in Safe Boot from now on.

4. When prompted, click on "Restart" to go into Safe Mode.

5. You can recognise Safe Mode by the words written on the corners of your screen.

Step 2: Uninstall .doubleoffset Virus and related software from Windows

Here is a method in few easy steps that should be able to uninstall most programs. No matter if you are using Windows 10, 8, 7, Vista or XP, those steps will get the job done. Dragging the program or its folder to the recycle bin can be a very bad decision. If you do that, bits and pieces of the program are left behind, and that can lead to unstable work of your PC, errors with the file type associations and other unpleasant activities. The proper way to get a program off your computer is to Uninstall it. To do that:

1. Hold the Windows Logo Button and "R" on your keyboard. A Pop-up window will appear.

2. In the field type in "appwiz.cpl" and press ENTER.

3. This will open a window with all the programs installed on the PC. Select the program that you want to remove, and press "Uninstall"

Follow the instructions above and you will successfully uninstall most programs.

Step 3: Clean any registries, created by .doubleoffset Virus on your computer.

The usually targeted registries of Windows machines are the following:

  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce

You can access them by opening the Windows registry editor and deleting any values, created by .doubleoffset Virus there. This can happen by following the steps underneath:

1. Open the Run Window again, type "regedit" and click OK.

2. When you open it, you can freely navigate to the Run and RunOnce keys, whose locations are shown above.

3. You can remove the value of the virus by right-clicking on it and removing it.

Tip: To find a virus-created value, you can right-click on it and click "Modify" to see which file it is set to run. If this is the virus file location, remove the value.

Before starting "Step 4", please boot back into Normal mode, in case you are currently in Safe Mode.
This will enable you to install and use SpyHunter 5 successfully.

Step 4: Scan for .doubleoffset Virus with SpyHunter Anti-Malware Tool

1. Click on the "Download" button to proceed to SpyHunter's download page.

It is recommended to run a scan before purchasing the full version of the software to make sure that the current version of the malware can be detected by SpyHunter. Click on the corresponding links to check SpyHunter's EULA, Privacy Policy and Threat Assessment Criteria.

2. After you have installed SpyHunter, wait for it to update automatically.


3. After the update process has finished, click on the 'Malware/PC Scan' tab. A new window will appear. Click on 'Start Scan'.


4. After SpyHunter has finished scanning your PC for any files of the associated threat and found them, you can try to get them removed automatically and permanently by clicking on the 'Next' button.


If any threats have been removed, it is highly recommended to restart your PC.

Video Guide for Automatic and Fast Removal

Step 5 (Optional): Try to Restore Files Encrypted by .doubleoffset Virus.

Ransomware infections and .doubleoffset Virus aim to encrypt your files using an encryption algorithm which may be very difficult to decrypt. This is why we have suggested a data recovery method that may help you go around direct decryption and try to restore your files. Bear in mind that this method may not be 100% effective but may also help you a little or a lot in different situations.

1. Download the recommended Data Recovery software by clicking on the link underneath:

Simply click on the link and on the website menus on the top, choose Data Recovery - Data Recovery Wizard for Windows or Mac (depending on your OS), and then download and run the tool.

Step 6: How to Restore Files Encrypted by Ransomware (Video Guide)

Windows Mac OS X

Get rid of .doubleoffset Virus from Mac OS X.

Step 1: Uninstall .doubleoffset Virus and remove related files and objects

Manual Removal Usually Takes Time and You Risk Damaging Your Files If Not Careful!
We Recommend To Scan Your Mac with SpyHunter for Mac
Keep in mind, that SpyHunter for Mac needs to purchased to remove the malware threats. Click on the corresponding links to check SpyHunter’s EULA and Privacy Policy

1. Hit the ⇧+⌘+U keys to open Utilities. Another way is to click on “Go” and then click “Utilities”, like the image below shows:

2. Find Activity Monitor and double-click it:

3. In the Activity Monitor look for any suspicious processes, belonging or related to .doubleoffset Virus:

Tip: To quit a process completely, choose the “Force Quit” option.

4. Click on the "Go" button again, but this time select Applications. Another way is with the ⇧+⌘+A buttons.

5. In the Applications menu, look for any suspicious app or an app with a name, similar or identical to .doubleoffset Virus. If you find it, right-click on the app and select “Move to Trash


6. Select Accounts, after which click on the Login Items preference.

Your Mac will then show you a list of items that start automatically when you log in. Look for any suspicious apps identical or similar to .doubleoffset Virus. Check the app you want to stop from running automatically and then select on the Minus (“-“) icon to hide it.

7. Remove any left-over files that might be related to this threat manually by following the sub-steps below:

  • Go to Finder.
  • In the search bar type the name of the app that you want to remove.
  • Above the search bar change the two drop down menus to “System Files” and “Are Included” so that you can see all of the files associated with the application you want to remove. Bear in mind that some of the files may not be related to the app so be very careful which files you delete.
  • If all of the files are related, hold the ⌘+A buttons to select them and then drive them to “Trash”.

In case you cannot remove .doubleoffset Virus via Step 1 above:

In case you cannot find the virus files and objects in your Applications or other places we have shown above, you can manually look for them in the Libraries of your Mac. But before doing this, please read the disclaimer below:

Disclaimer! If you are about to tamper with Library files on Mac, be sure to know the name of the virus file, because if you delete the wrong file, it may cause irreversible damage to your MacOS. Continue on your own responsibility!

1: Click on "Go" and Then "Go to Folder" as shown underneath:

2: Type in "/Library/LauchAgents/" and click Ok:

3: Delete all of the virus files that have similar or the same name as .doubleoffset Virus. If you believe there is no such file, do not delete anything.

You can repeat the same procedure with the following other Library directories:

→ ~/Library/LaunchAgents

Tip: ~ is there on purpose, because it leads to more LaunchAgents.

Click the button below below to download SpyHunter for Mac and scan for .doubleoffset Virus:


SpyHunter for Mac

Step 3 (Optional): Try to Restore Files Encrypted by .doubleoffset Virus.

Ransomware infections and .doubleoffset Virus aim to encrypt your files using an encryption algorithm which may be very difficult to decrypt. This is why we have suggested a data recovery method that may help you go around direct decryption and try to restore your files. Bear in mind that this method may not be 100% effective but may also help you a little or a lot in different situations.

1. Download the recommended Data Recovery software by clicking on the link underneath:

Simply click on the link and on the website menus on top, choose Data Recovery - Data Recovery Wizard for Windows or Mac (depending on your OS), and then download and run the tool.

.doubleoffset Virus FAQ

What is .doubleoffset Virus ransomware and how does it work?

.doubleoffset Virus is a ransomware infection - the malicious software that enters your computer silently and blocks either access to the computer itself or encrypt your files.

Many ransomware viruses use sophisticated encryption algorithm how to make your files inaccessible. The goal of ransomware infections is to demand that you pay a ransom payment to get access to your files back.

How does .doubleoffset Virus ransomware infect my computer?

Via several ways..doubleoffset Virus Ransomware infects computers by being sent via phishing e-mails, containing virus attachment.

This attachment is usually masked as an important document, like an invoice, bank document or even a plane ticket and it looks very convincing to users.

After you download and execute this attachment, a drive-by download occurs and your computer is infected with the ransomware virus.

Another way, you may become a victim of .doubleoffset Virus is if you download a fake installer, crack or patch from a low reputation website or if you click on a virus link. Many users report getting a ransomware infection by downloading torrents.

How to open ..doubleoffset Virus files?

You can't. At this point the ..doubleoffset Virus files are encrypted. You can only open them once they are decrypted.

Decryptor did not decrypt my data. What now?

Do not panic and backup the files. If a decryptor did not decrypt your ..doubleoffset Virus files successfully, then do not despair, because this virus is still new.

One way to restore files, encrypted by .doubleoffset Virus ransomware is to use a decryptor for it. But since it's a new virus, advised that the decryption keys for it may not be out yet and available to the public. We will update this article and keep you posted as soon as this decryptor is released.

How Do I restore "..doubleoffset Virus" files (Other Methods)?

Yes, sometimes files can be restored. We have suggested several file recovery methods that could work if you want to restore ..doubleoffset Virus files.

These methods are in no way 100% guarantee that you will be able to get your files back. But if you have a backup, your chances of success are much greater.

How do I get rid of .doubleoffset Virus ransomware virus?

The safest way and the most efficient one for the removal of this ransomware infection is the use a professional anti malware software. It will scan for and locate .doubleoffset Virus ransomware and then remove it without causing any additional harm to your important ..doubleoffset Virus files.

Also, keep in mind that viruses like .doubleoffset Virus ransomware also install Trojans and keyloggers that can steal your passwords and accounts. Scanning your computer with an anti-malware software will make sure that all of these virus components are removed and your computer is protected in the future.

What to Do If nothing works?

There is still a lot you can do. If none of the above methods seem to work for you, then try these methods:

  • Try to find a safe computer from where you can can login on your own line accounts like One Drive, iDrive, Google Drive and so on.
  • Try to contact your friends, relatives and other people so that they can check if they have some of your important photos or documents just in case you sent them.
  • Also, check if some of the files that were encrypted it can be re-downloaded from the web.
  • Another clever way to get back some of your files is to find another old computer, a flash drive or even a CD or a DVD where you may have saved your older documents. You might be surprised what will turn up.
  • You can also go to your email account to check if you can send any attachments to other people. Usually what is sent the email is saved on your account and you can re-download it. But most importantly, make sure that this is done from a safe computer and make sure to remove the virus first.

More tips you can find on our forums, where you can also asks any questions about your ransomware problem.

How to Report Ransomware to Authorities?

In case your computer got infected with a ransomware infection, you can report it to the local Police departments. It can help authorities worldwide track and determine the perpetrators behind the virus that has infected your computer. Below, we have prepared a list with government websites, where you can file a report in case you are a victim of a cybercrime:

Cyber-security authorities, responsible for handling ransomware attack reports in different regions all over the world:

Reports may be responded to in different timeframes, depending on your local authorities.

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