Copa Virus Removal Guide (+Decrypt .copa files)

Copa – Ransomware

Copa is a malicious software working as common ransomware. Michael Gillespie, the widely known malware researcher, first discovered this new name in the DJVU ransomware family.

Copa was developed for the sole function to encrypt all popular file types. Rationally, as quickly as the encryption is effectively accomplished, the users are unable to get access to them. Copa virus includes its own “.copa” to all the encrypted data. For example, the file “price_list.xls”, as soon as modified by Copa, will be entitled as “price_list.xls.copa”. As soon as the encryption is achieved, Copa puts its own special text document (_readme.txt) into all the folders that store the encrypted files.

The message mentioned by _readme.txt requesting the random os extremely comparable to the alerts offered by other ransomware risks coming from the DJVU family. The warning generally indicates that the data has been secured and the only option to get access to it is to use an unique standalone key. Regretfully, this declaration is definitely true.

The approach to secure the files utilized by Copa is not entirely looked into. However, there is no doubt that each computer owner might be issued a special decryption key, which is absolutely special. It is exceptionally tough to recover the information without the suitable key in place.

“Don’t worry, you can return all your files!”, from _readme.txt message:

message from Copa virus

One more peculiarity of the Copa infection is that the users are not able to get access to the key. The decrypting key is hosted on a special server under the complete control by the scoundrels who have actually released the Copa virus into the internet. In order to get the key and restore the essential information, the users are informed to connect with the frauds via email or by telegram and to pay the ransom in the quantity of $980.

The message likewise says that the people need to contact the Copa authors within 72 hours upon the minute of the data file encryption. The alert indicates that by doing so the people will obtain a 50% discount, therefore, the ransom amount falls to $490.

No matter what the amount of the ransom is, we strongly recommend that you do not pay the ransom. There is no assurance that these online criminals will keep their pledges, so they may not care at all what the victims feel about the encryption, even when the quantity of the ransom is gotten into their accounts. For this reason, paying ransom frequently does not lead to an effective healing. So, the users might simply lose their money for nothing.

Likewise, we urge you not to contact the frauds as they instruct. Do not move loan into their wallets. There are no applications that might crack the Copa virus or restore the information at no cost. For that reason, the only correct choice is to bring back the data from possible backups (if available).

Virus Summary

NameCopa Ransomware
File Extensioncopa
TypeRansomware
FamilyDJVU
Short DescriptionThe ransomware encrypts all the data stored on your system and requires a ransom to be paid on your part supposedly to recover your important files.
SymptomsFile encryption by the ransomware is performed by means of the AES-256 algorithm (CFB mode) encryption algorithm. Once the encryption is completed, the ransomware adds its special .copa extension to all the files modified by it.
Distribution MethodAdware bundles and software cracks
Similar InfectionsKolz, Npph, Ogdo
Copa Removal Tool   GridinSoft Anti-Malware
Copa Decryption Tool   Emsisoft Djvu Decryptor

Do not forget that the Web is now full of infections comparable to the Copa ransomware. For instance, this particular hazard is essentially identical to Brusaf and other ransomware-type infections. These harmful utilities have actually been established in order to secure the important information and express the demand for the users to pay the ransom. All these infections use the identical algorithm to create the particular key for effective files decryption.

Unless the Copa ransomware is still under the advancement procedure or has actually got some concealed bugs, it is not possible to restore the information by hand. Hence, the only working solution to prevent the loss of your crucial data is to frequently keep current backups of all your important data.

Another important piece of recommendations is to save the backups on unique storage not linked to your main computer. For example, you might save it on the USB Flash Drive, or some external hard disk, or by using the cloud data storage services. Keeping the backups on your system drive is very dangerous, because the backup may likewise be secured by the Copa .

Leaks for the Copa ransomware attack.

Copa uses lots of courses to penetrate the vulnerable computers. It is not certain what specific technique was utilized in your case, however, the intrusion may take place via the following channels:

  • bundling with third-party programs, primarily free software;
  • spam e-mails from the unidentified senders;
  • sites offering complimentary hosting;
  • P2P (peer-to-peer) torrent downloads.

There are times when the Copa might camouflage itself as some real application, for instance, through the deceptive informs requiring setup of some software application update. This is the most common trick utilized by the frauds to inject the Copa ransomware files into the system. In this manner users partly participate in its setup, without clearly understanding the threat.

In addition, the frauds may send unsolicited spam e-mail with tricky notifies encouraging the people to open suspicious attachments or click some download links, for instance, those encouraging the people to open particular photos, text files, tax files and other information.

No doubt, opening these files or clicking on the harmful links may essentially harm the system. Fake Media Player upgrade notices may result in the Copa ransomware seepage. Likewise, downloading the broken software might in addition consist of the ransomware installer. The last however not the least, setup of Copa might occur through some Trojan horses that might be set up stealthily into the system and without the user’s direct approval and even approval.

Avoiding the Copa injection.

Of course, there is no absolute guarantee that your computer system will be constantly free of any malware attacks, however, we want to share some useful tips with you to make it much safer. Make certain to pay extremely attention while searching the web and particularly while getting cost-free programs. Do not open any dubious e-mail accessories, particularly if the sender is not known to you.

Do not forget that particular freeware installer might likewise consist of some other extra apps in the bundle. These extra applications might be really damaging. It is of utmost value to keep your anti-virus software application and your operating system in general to be always properly updated.

It is rather rational that downloading cracked apps is prohibited, however, furthermore, such unapproved apps use might likewise bring severe damage to your computer. Hence, do not download any split programs. Plus, the fact that your existing anti-virus did not safeguard the system from the Copa ransomware is a good reason for you to reconsider your options and change to another program that can render the protecting functions on a far better level.

Below please find the quotation from the Copa text file:

ATTENTION!
 
 Don't worry, you can return all your files!
 All your files like photos, databases, documents and other important are encrypted with strongest encryption and unique key.
 The only method of recovering files is to purchase decrypt tool and unique key for you.
 This software will decrypt all your encrypted files.
 What guarantees you have?
 You can send one of your encrypted file from your PC and we decrypt it for free.
 But we can decrypt only 1 file for free. File must not contain valuable information.
 You can get and look video overview decrypt tool:
 https://we.tl/t-2P5WrE5b9f
 Price of private key and decrypt software is $980.
 Discount 50% available if you contact us first 72 hours, that's price for you is $490.
 Please note that you'll never restore your data without payment.
 Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours.
  
  
 To get this software you need write on our e-mail:
 restorealldata@firemail.cc
  
 Reserve e-mail address to contact us:
 gorentos@bitmessage.ch 

 Our Telegram account:
 @datarestore

Screenshot of files with “.copa” extension added by the virus:”

Copa Ransomware - encrypt files with .copa extension

Use GridinSoft Anti-Malware to remove Copa ransomware from your computer

1.Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

  GridinSoft Anti-Malware

2. Double-click on the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-ag.exe file to install GridinSoft Anti-Malware on your computer.
GridinSoft Anti-Malware
An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.
GridinSoft Anti-Malware Setup

3. Press Install button for run GridinSoft Anti-Malware.

GridinSoft Anti-Malware Install

3.Once installed, GridinSoft Anti-Malware will automatically run.

GridinSoft Anti-Malware  Start

4. Wait for the GridinSoft Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your computer for Win Speedup 2018 and other malicious programs. This process can take a 20-30 minutes, so we suggest you periodically check on the status of the scan process.
GridinSoft Anti-Malware Scan

5. Click on “Clean Now”.

When the scan has completed, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.
GridinSoft Anti-Malware Scan Result

Use Emsisoft Decryptor for restore copa files

You can get Emsisoft Decryptor by clicking the button below:

  Emsisoft Decryptor

  1. Run the decryptor as an administrator. The license terms will show up, which you have to agree to by clicking the “Yes” button.
  2. Once the license terms are accepted, the primary decryptor user interface opens.
  3. By default, the decryptor will pre-populate the locations to decrypt with the currently connected drives and network drives. Additional locations can be added using the Add” button.
  4. Decryptors typically offer various options depending on the particular malware family. The available options are located in the Options tab and can be enabled or disabled there. You can find a detailed list of the available Options below.
  5. After you have added all the locations you want to decrypt to the list, click the “Decrypt” button to start the decryption process. The screen will switch to a status view, informing you about the current process and decryption status of your files
  6. The decryptor will inform you once the decryption process is finished. If you require the report for your personal records, you can save it by clicking the “Save log” button. You can also copy it straight to your clipboard to paste it into emails or forum posts if you are asked to.
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About Daniel Zimmermann

Daniel Zimmermann has been writing on security and malware subjects for many years and has been working in the security industry for over 10 years. Daniel was educated at the Saarland University in Saarbrücken, Germany and currently lives in New York.

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One comment

  1. Sir, I used EMSI SOFT but it is unable to retrieve my file. Tells him “Error: No key for New Variant online ID: CFtNBweD9srLCcQdeMY7jUoOFnNwCshUPZj6Kt7r
    Notice: this ID appears to be an online ID, decryption is impossible” Then we must overcome this problem…..

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