In the unfortunate event, that the files that store valuable information of yours are locked and renamed with the extension .acuna, then you should know that your PC has been infected by a strain of Phobos ransomware. This threat called the Acuna virus tries to convince its victims to pay a hefty ransom fee to ransomware operators. To launch its malicious on operating systems, the ransomware may present itself as an important document attached to an urgent email, a torrent file, a software crack, etc. The moment is damages essential settings and evades active security measures, it scans the drives for personal files and locks them with a strong cipher algorithm.
In this article, you will find more information about Acuna virus as well as a step-by-step guide on how to remove malicious files from a system infected with this virus. Find also how to potentially recover encrypted .acuna files.
Acuna Virus Summary
|Acuna also known as Trojan/Win32.Crysis.R213980, Trojan.Ransom.Crysis.E, Trojan-Ransom.Win32.Crusis.to
|A data locker ransomware designed to damage computer systems and encrypt valuable personal fles.
|Important files are locked and renamed with a string of a few extensions. The last extension is .acuna
Ransom message insists on ransom payment
|Spam Emails, Email Attachments
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Acuna Ransomware Virus – Distribution and Impact
All those computer threats are developed to help hackers gain money by harassing victims to pay hefty ransom fees for the recovery of their files. So, let’s see what happens when Acuna ransomware runs on a PC.
First, it creates or drops a bunch of malicious files needed for the attack. Then it executes those files to trigger a long sequence of malicious processes. By doing this the ransomware evades detection, becomes able to misuse main system functionalities, and ensures that its files will launch automatically every time the machine is started. Eventually, it reaches a stage during which it encodes valuable personal files.
Computer viruses part of the Dharma ransomware family encrypt target files (images, documents, archives, backups, audio and video files, etc.) by utilizing the strong cipher algorithm AES. This cipher is very complex. Hence, the changes it applies to target files are hard to be reversed.
One way to recognize an encrypted file is the extension .acuna that appears appended to its original name. Actually, before this extension, there is one more – [Cusapool@firemail.cc]. This email address is associated with hackers who stand behind Acuna ransomware attacks.
The same email could be noticed in the ransom message that appears on the screen when the infection process ends:
All your files have been encrypted!
All your files have been encrypted due to a security problem with your PC. If you want to restore them, write us to the e-mail email@example.com
Write this ID in the title of your message
In case of no answer in 24 hours write us to this e-mail:firstname.lastname@example.org
You have to pay for decryption in Bitcoins. The price depends on how fast you write to us. After payment, we will send you the tool that will decrypt all your files.
Free decryption as a guarantee
Before paying you can send us up to 5 files for free decryption. The total size of files must be less than 4Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.)
How to obtain Bitcoins
The easiest way to buy bitcoins is LocalBitcoins site. You have to register, click ‘Buy bitcoins’, and select the seller by payment method and price.
Also you can find other places to buy Bitcoins and beginners guide here:
Do not rename encrypted files.
Do not try to decrypt your data using third party software, it may cause permanent data loss.
Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.
We know that you need to restore .acuna files but we recommend that you refrain from transferring money to cybercriminals. Otherwise, you risk losing both your valuable files and money.
For the sake of your security, it is advisable to clean your infected computer from present malicious files and consider the help of alternative data recovery methods.
Remove Acuna Virus (Phobos Ransomware)
The Acuna virus is a threat with highly complex code that heavily damages both essential system settings and valuable data. So the only way to use your infected system securely again is to remove all malicious files and objects created by the ransomware. For this purpose, you could follow our step-by-step removal guide.
In the event that you want to attempt to restore .acuna files with the help of alternative data recovery methods, do check step four – Try to Restore files encrypted by Acuna virus. We remind you to back up all encrypted files to an external drive before the recovery process.
What is Acuna Virus Ransomware?
Acuna 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 algorithms 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.
What Does Acuna Virus Ransomware Do?
Ransomware in general is a malicious software that is designed to block access to your computer or files until a ransom is paid.
Ransomware viruses can also damage your system, corrupt data and delete files, resulting in the permanent loss of important files.
How Does Acuna Virus Infect?
Via several ways.Acuna Virus Ransomware infects computers by being sent via phishing emails, 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.
Another way you may become a victim of Acuna 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 .Acuna Virus files?
You can't without a decryptor. At this point, the .Acuna Virus files are encrypted. You can only open them once they are decrypted using a specific decryption key for the particular algorithm.
What to Do If a Decryptor Does Not Work?
Do not panic, and backup the files. If a decryptor did not decrypt your .Acuna Virus files successfully, then do not despair, because this virus is still new.
Can I Restore ".Acuna Virus" Files?
Yes, sometimes files can be restored. We have suggested several file recovery methods that could work if you want to restore .Acuna Virus files.
These methods are in no way 100% guaranteed that you will be able to get your files back. But if you have a backup, your chances of success are much greater.
How To Get Rid of Acuna Virus Virus?
The safest way and the most efficient one for the removal of this ransomware infection is the use a professional anti-malware program.
It will scan for and locate Acuna Virus ransomware and then remove it without causing any additional harm to your important .Acuna Virus files.
Can I 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:
Germany - Offizielles Portal der deutschen Polizei
United States - IC3 Internet Crime Complaint Centre
United Kingdom - Action Fraud Police
France - Ministère de l'Intérieur
Italy - Polizia Di Stato
Spain - Policía Nacional
Netherlands - Politie
Poland - Policja
Portugal - Polícia Judiciária
Greece - Cyber Crime Unit (Hellenic Police)
India - Mumbai Police - CyberCrime Investigation Cell
Australia - Australian High Tech Crime Center
Reports may be responded to in different timeframes, depending on your local authorities.
Can You Stop Ransomware from Encrypting Your Files?
Yes, you can prevent ransomware. The best way to do this is to ensure your computer system is updated with the latest security patches, use a reputable anti-malware program and firewall, backup your important files frequently, and avoid clicking on malicious links or downloading unknown files.
Can Acuna Virus Ransomware Steal Your Data?
Yes, in most cases ransomware will steal your information. It is a form of malware that steals data from a user's computer, encrypts it, and then demands a ransom in order to decrypt it.
Can Ransomware Infect WiFi?
Yes, ransomware can infect WiFi networks, as malicious actors can use it to gain control of the network, steal confidential data, and lock out users. If a ransomware attack is successful, it could lead to a loss of service and/or data, and in some cases, financial losses.
Should I Pay Ransomware?
No, you should not pay ransomware extortionists. Paying them only encourages criminals and does not guarantee that the files or data will be restored. The better approach is to have a secure backup of important data and be vigilant about security in the first place.
What Happens If I Don't Pay Ransom?
If you don't pay the ransom, the hackers may still have access to your computer, data, or files and may continue to threaten to expose or delete them, or even use them to commit cybercrimes. In some cases, they may even continue to demand additional ransom payments.
Can a Ransomware Attack Be Detected?
Yes, ransomware can be detected. Anti-malware software and other advanced security tools can detect ransomware and alert the user when it is present on a machine.
It is important to stay up-to-date on the latest security measures and to keep security software updated to ensure ransomware can be detected and prevented.
Do Ransomware Criminals Get Caught?
Yes, ransomware criminals do get caught. Law enforcement agencies, such as the FBI, Interpol and others have been successful in tracking down and prosecuting ransomware criminals in the US and other countries. As ransomware threats continue to increase, so does the enforcement activity.
About the Acuna Virus Research
The content we publish on SensorsTechForum.com, this Acuna 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.
To better understand the ransomware threat, please refer to the following articles which provide knowledgeable details.
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