Remove OXAR Ransomware - Restore .FUCK Files

Remove OXAR Ransomware – Restore .FUCK Files


This article provides information about a ransomware dubbed OXAR as well as step-by-step removal and data recovery guide.

OXAR ransomware has a new version that appends the extension .FUCK to all encrypted files. It is known that OXAR is a HiddenTear based threat which in turn means that even with several modifications the code of this new iteration could be easily cracked by security experts. Another trait of this ransomware is a ransom note file called 1 What happens with my files.txt that blackmails victims into transferring ransom to hackers’ wallet. Keep reading and learn how to remove OXAR ransomware and restore .FUCK files.

Threat Summary

TypeRansomware, Cryptovirus
Short DescriptionOXAR ransomware virus encrypts files on your PC and drops a ransom note that demands payment for the decryption of .FUCK files.
SymptomsThis ransomware encrypts important files and then renames them with the extension .FUCK. The access to encrypted files is restricted. A ransom payment is demanded.
Distribution MethodSpam Emails, Email Attachments, Executable files
Detection Tool See If Your System Has Been Affected by OXAR


Malware Removal Tool

User ExperienceJoin Our Forum to Discuss OXAR.
Data Recovery ToolWindows 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.

OXAR Ransomware – Distribution

Several methods could be used for the distribution of OXAR’s payload. Mainly it may be spread in email spam campaigns in the form of attached files. In order to seem legit and make you more prone to open the attached files, such emails may impersonate representatives of well-known companies or even governmental institutions. The attached malicious files usually come as documents, archives, images and other commonly used file formats. The text message may be trying to convince you that you need to download and open the attached file as soon as possible. For the sake of your security, you could use a free online file extractor each time you download new file on your PC. Tools of this kind could quickly identify whether a file contains malicious elements or not by scanning its code for particular traits. Thus it could help you to avoid opening malicious files that plague your device.

Ransomware may infiltrate computer systems with the help of corrupted web pages as well. Bad actors could inject the malicious code into the source code of target web pages or and set them to download it directly on the devices of tricked users. They could also create copies of some pages and modify their components so they can download and automatically the ransomware after a user visits the corrupted page. As regards the malicious URLs of these web pages, they could be posted on social media channels, send in emails and spread via instant messaging services. Potentially unwanted programs that alter browser settings and cause numerous redirects to sites of unknown origin are often used for ransomware distribution as well.

OXAR Ransomware – More About the Infection

The infection begins once OXAR’s payload is running on the system. The threat aims to modify some essential system settings in order to plague it and achieve persistence. It is highly possible that OXAR will add malicious values under the registry sub-keys Run and RunOnce which will ensure its automatic execution on each Windows system start.

OXAR crypto virus may also be designed to scan the system for particular details so it can then send them to its command and control server. Once the threat establishes a connection with its server, it may drop additional malicious files on the compromised host. If you want to prevent malicious intenders from stealing sensitive data of yours, you should remove all ransomware files and objects from the PC immediately after infection.

At the end OXAR crypto virus drops a ransom note file to blackmail victims into paying a ransom for a decryption solution that can decrypt .FUCK files. The message could be found in a file named 1 What happens with my files.txt. Below you could see what it reads:

What Happened to My Computer?
Your important files are encrypted.
Many of your documents, photos, videos, databases and other files are no longer accessible because they have been encrypted. Maybe you are busy looking for a way to recover your files, but do not waste your time. Nobody can recover your files without our decryption service.

Can I Recover My Files?
Sure. We guarantee that you can recover all your files safely and easily. But you have not so enough time.
But if you want to decrypt all your files, you need to pay.

How Do I Pay?
Payment is accepted in Bitcoin only.
Please check the current price of Bitcoin and buy some bitcoins.
And send the correct amount to the address specified in this window.

We strongly recommend you to not remove this software, and disable your anti-virus for a while, until you pay and the payment gets processed. If your anti-virus gets updated and removes this software automatically, it will not be able to recover your files even if you pay!
Once the payment is sent, send us an e-mail to the specified address specifying your “Client ID”, you will be sent your decryption key in return. How to buy Bitcoins?

Step 1 : Create a portfolio on the Blockchain website at the address :
Step 2 : Sign in to your account you just created and purchase the amount shown :
Step 3 : Send the amount to the indicated Bitcoin address, once this is done send us an email with your “Client ID” you can retreive this in the file “instruction.txt” or “Whats Appens With My File.s.txt” in order to ask us the key of decryption of your data.

Contact us at :
Send 20$ to Bitcoin at 1MFA4PEuDoe2UCKgabrwm8P4KztASKtiuv if you want decrypt your files !
Your Client ID is : [id]

No matter what hackers state, be advised to avoid ransom payment and remove the threat as soon as possible. Almost all ransomware viruses that are based on HuddenTear have been decrypted by security experts. So, the code of this new OXAR strain is expected to be cracked soon after the analyses of its samples are done. Expect us to update this article with the decryptor once it is released. Meanwhile, you could try to restore some of your .FUCK files with the help of the alternative data recovery solutions mentioned in the guide that follows.

OXAR Ransomware – Data Encryption

The encryption is applied to all types of files listed in the code of OXAR ransomware. The threat is likely to use strong cipher algorithm or combination of a few in order to modify the original code of target files and render them completely inaccessible. As OXAR is a HiddenTear based ransomware it is believed that all files that have one of the following extensions get encrypted after infection:

→.txt, .doc, .docx, .xls, .xlsx, .ppt, .pptx, .odt, .jpg, .png, .csv, .sql, .mdb, .hwp, .pdf, .php, .asp, .aspx, .html, .xml, and .psd

Once files are corrupted they all receive the specific extension .FUCK that stands at the end of their names. You cannot open .FUCK files until a proper decryption solution that reverts their code is applied. But before you rush into ransom payment be advised to check out the alternative data recovery solutions listed in the guide below. By paying the ransom you only risk to lose your money and still have your .FUCK corrupted. There is no guarantee that bad actors will provide a working solution as often the ransomware code gets broken and doesn’t generate an efficient decryption key.

Remove OXAR Ransomware and Restore Files

The step-by-step removal guide below provides both manual and automatic approaches. Beware that the removal of OXAR crypto virus is not an easy task. It is a severe threat that plagues the whole system. Security researchers recommend the help of advanced anti-malware tool for maximum efficiency.

After you fulfill the removal process make sure to check the “Restore Files” step available in our guide below. But before that be advised to back up all encrypted files to an external drive and prevent their irreversible loss.

Gergana Ivanova

Gergana Ivanova

Gergana has completed a bachelor degree in Marketing from the University of National and World Economy. She has been with the STF team for three years, researching malware and reporting on the latest infections.

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