Infected with WannaOof Ransomware? Need to decrypt your files?

What is WannaOof Ransomware

In this article, we describe in detail WannaOof cryptovirus, which has become very common lately. This is a cryptovirus that comes to your computer and encrypts user data in various formats of music, video, audio, photos, and so on. After encryption, WannaOof adds the .oof extension to the files being encrypted, making the files unusable. Also, it is worth noting that the cryptovirus can delete shadow copies of files and system restore points. This is done in order to exclude the possibility of self-encrypting files or restoring previous versions. Below we have indicated various types of notes containing information about redemption and encryption:

WannaOof Ransomware

Uh oh, you're in trouble now kiddo. You've been oof'ed.
All your precious files are encrypted with 256 bit encryption.
Send 0.02 bitcoin to the address displayed on the left within the next 24 hours or your files will be lost forever. Upon payment we will send you the decryption key.
Any attempt to modify, decrypt your files, or remove this program will result in your files being irretrievable.
We will definitely send you a decryption key upon payment being received, please cite the below as our promise of this:
___________________ $$$$
___________________ $$$$
___________________ $$$$

WannaOof Ransomware
You've been hit with the oof
Follow the instructions shown in the popup or your files will be lost forever.

The note contains a detailed description of what happened and also the encryption method. The attackers are demanding a ransom of 0,02 bitcoin. The point of cryptocurrency was not chosen by chance, because in this way the attackers try to avoid prosecution by law enforcement authorities. Also, fraudsters intimidate the user, indicating that files will be irretrievably lost after 24 hours. We do not recommend you to pay, because there is no complete certainty that your files will really be decrypted. Below we indicate the reasons for the penetration of such viruses, as well as ways to remove WannaOof and decrypt files.

Update: Use following service to identify the version and type of ransomware you were attacked by: ID Ransomware. If you want to decrypt your files, please follow our instruction below or, if you have any difficulties, please contact us: We really can help to decrypt your files.

How WannaOof Ransomware infected your PC

In most cases WannaOof comes through unsecured user network settings. It can also come as an attachment to a spam mailing list or as a false update for a program or utility that is contained on your computer. The penetration of such viruses is due to the lack of an adequate antivirus program or other programs and utilities that can protect your computer. Using a free antivirus is not enough, you need to look for paid taxes that really can prevent the entry of a cryptovirus. Below we provide detailed instructions on how to remove it and decrypt your files.

First of all, don’t panic. Follow these easy steps below.

1. Start your computer in Safe Mode with networking. To do that, restart your computer before your system starts hit F8 several times. This will WannaOof Ransomware system from loading and will show Advanced boot options screen. Choose Safe mode with networking option from the options list using up and down arrows on your keyboard and hit Enter.
2. Log in to the system infected with the WannaOof Ransomware virus. Launch your Internet browser and download a reliable anti-malware program and start a full system scan. Once the scan is complete, review scan results and remove all entries detected.

Recommended Solution:

Wipersoft – fully removes all instances of WannaOof Ransomware – files, folders, registry keys.


Download Norton

You may find more detailed information about antivirus products in our article – Top 5 Antivirus Software for Windows

Restore your files using shadow copies


  1. Download and run Stellar Data Recovery.
  2. Select type of files you want to restore and click Next.
  3. Select the drive and folder where your files are located and date that you want to restore them from and press Scan.
  4. Once the scanning process is done, click Recover to restore your files.
Download Stellar Data Recovery

Step 2: Remove following files and folders of WannaOof Ransomware:

Related connections or other entries:

No information

Related files:

No information

How to decrypt files infected by WannaOof Ransomware?

You can try to use manual methods to restore and decrypt your files.

Decrypt files manually

Restore the system using System Restore

system restore

Although latest versions of WannaOof Ransomware remove system restore files, this method may help you partially restore your files. Give it a try and use standard System Restore to revive your data.

  1. Initiate the search for ‘system restore
  2. Click on the result
  3. Choose the date before the infection appearance
  4. Follow the on-screen instructions

Roll the files back to the previous version

Previous versions can be copies of files and folders created by Windows Backup (if it is active) or copies of files and folders created by System Restore. You can use this feature to restore files and folders that you accidentally modified or deleted, or that were damaged. This feature is available in Windows 7 and later versions.

windows previous versions

  1. Right-click the file and choose Properties
  2. Open the Previous Version tab
  3. Select the latest version and click Copy
  4. Click Restore

Written by Rami Duafi

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