Decrypt .anon Encrypted Files for Free (Update May 2017) - How to, Technology and PC Security Forum |

Decrypt .anon Encrypted Files for Free (Update May 2017)

This article aims to help you decrypt files encrypted by FuckTheSystem ransomware using the .anon file extension for free and easily.

Another ransomware virus from the “Stupid” ransomware family has been reported to infect unfortunate users. The virus uses the .anon file extension and has the same pop-up screen as other viruses from it’s family, like the .haters virus. In case you have become a victim of this ransomware infection, we strongly advise you to read the material below. It will assist you in completely removing the ransomware and recovering files encrypted with the .anon file extension appended to them.

Threat Summary


.anon virus

Short DescriptionVariant of “Stupid Ransomware”. Encrypts files and then displays a pop-up asking for decryption.

SymptomsChanges the file extension to .anon and opens a pop-up with a message stating the files are encoded.
Distribution MethodVia an Exploit kit, Dll file attack, malicious JavaScript or a drive-by download of the malware itself in an obfuscated manner.
Detection Tool See If Your System Has Been Affected by .anon virus


Malware Removal Tool

User ExperienceJoin our forum to Discuss .anon virus.

.anon Ransomware – More Information

Also known as FuckTheSystem ransomware, this virus is a part of the Stupid Ransomware family of encryptors. It’s primary goal is to scare victims into paying a hefty ransom fee to encrypt their files.

The virus is distributed most likely via spam e-mail campaigns as well as other methods, such as uploading fake setups online, malicious web links, infections via exploit kit’s as well as fake key generators or torrents.

Once the victim is infected, .anon ransomware drops a malicious executable, named Crypto.exe and may modify the Windows Registry Editor so that it runs on system start up.

Upon running, the encryptor will hunt down and encrypt documents, images, audio files, database files, archives, video files and many other often used file types. The extension added after the encryption is .anon and the encrypted files look like the image below:

After the encryption, the virus drops the following ransom note:

Fortunately, this ransomware infection is decryptable and in order to remove it and decrypt your files for free, follow the instructions below.

Remove .anon Virus

Before the actual decryption takes place, we strongly suggest you to remove .anon ransomware using the instructions below. In case manual removal is a challenge for you, security experts always recommend using an advanced anti-malware software to remove the malware automatically and protect your computer in the future as well.


Ventsislav Krastev

Ventsislav has been covering the latest malware, software and newest tech developments at SensorsTechForum for 3 years now. He started out as a network administrator. Having graduated Marketing as well, Ventsislav also has passion for discovery of new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management and then Network Administration, he found his passion within cybersecrurity and is a strong believer in basic education of every user towards online safety.

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