Oxva Virus Removal Guide (+Decrypt .oxva files)

Oxva – General Info

Oxva is a destructive software functioning as common ransomware. Michael Gillespie, the widely known malware researcher, very first discovered this new name in the DJVU ransomware family.

Oxva was created for the sole purpose to encrypt all popular file types. Realistically, as quickly as the encryption is successfully achieved, the users are not able to get access to them. Oxva ransomware adds its own “.oxva” to all the encrypted files. For instance, the file “price_list.xls”, as soon as modified by Oxva, will be titled as “price_list.xls.oxva”. Once the file encryption is achieved, Oxva puts its own distinct text file (_readme.txt) into all the folders that keep the encrypted files.

The message stated by document requesting the random os very comparable to the notices offered by other ransomware hazards belonging to the DJVU family. The warning generally indicates that the files have been encrypted and the only solution to get access to it is to use a distinct standalone key. Regretfully, this declaration is definitely real.

The approach to encrypt the files utilized by Oxva is not completely looked into. Nevertheless, there is no doubt that each computer system owner may be provided an unique decryption key, which is definitely unique. It is very difficult to recover the data without the proper type in place.

“Don’t worry, you can return all your files!”, from text file message:

One more peculiarity of the Oxva infection is that the users are unable to get access to the key. The decrypting key is hosted on a special server under the total control by the scoundrels who have introduced the Oxva virus into the world wide web. In order to get the key and restore the crucial data, the users are told to get in touch with the frauds by means of e-mail or by telegram and to pay the ransom in the amount of $980.

The message also says that the people should get in touch with the Oxva authors within 72 hours upon the minute of the information file encryption. The alert shows that by doing so individuals will get a 50% discount rate, therefore, the ransom amount falls to $490.

No matter what the quantity of the ransom is, we strongly advise that you do not pay the ransom. There is no assurance that these online crooks will keep their promises, so they may not care at all what the victims feel about the encryption, even when the quantity of the ransom is received into their accounts. For this reason, paying ransom often does not result in a successful healing. So, the users might merely lose their money for absolutely nothing.

Likewise, we advise you not to call the frauds as they instruct. Do not transfer money into their wallets. There are no applications that could split the Oxva ransomware or restore the data at no charge. For that reason, the only proper choice is to restore the data from possible backups (if available).

Virus Summary

Name Oxva Ransomware
File Extension oxva
Type Ransomware
Family DJVU
Short Description The 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.
Symptoms File 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 .oxva extension to all the files modified by it.
Distribution Method Adware bundles and software cracks
Similar Infections Lokas, Besub, Nusar
Oxva Removal Tool   GridinSoft Anti-Malware
Oxva Decryption Tool   Emsisoft Djvu Decryptor

Do not forget that the Web is now loaded with infections similar to the Oxva ransomware. For instance, this specific risk is generally identical to Brusaf and other ransomware-type infections. These damaging utilities have been developed in order to secure the essential information and reveal the demand for the users to pay the ransom. All these infections utilize the similar algorithm to produce the particular key for successful data decryption.

Unless the Oxva ransomware is still under the development procedure or has actually got some hidden bugs, it is not possible to bring back the data by hand. Therefore, the only working option to prevent the loss of your important data is to regularly maintain updated backups of all your important data.

Another crucial piece of suggestions is to keep the backups on special storage not linked to your main PC. For instance, you might save it on the USB Flash Drive, or some external drive, or by using the cloud data storage services. Keeping the backups on your regular drive is extremely dangerous, considering that the backup might likewise be secured by the Oxva .

Leakages for the Oxva ransomware attack.

Oxva uses numerous paths to infiltrate the susceptible computers. It is not specific what particular technique was utilized in your case, nevertheless, the intrusion might take place via the following channels:

  • bundling with third-party programs, primarily free apps;
  • spam emails from the unknown senders;
  • sites offering free hosting;
  • P2P (peer-to-peer) torrent software.

There are times when the Oxva may camouflage itself as some genuine application, for instance, through the misleading notifies requiring setup of some software application update. This is the most common technique utilized by the frauds to inject the Oxva infection files into the system. This way users partly participate in its setup, without clearly comprehending the risk.

In addition, the scams may send out unsolicited spam e-mail with difficult notifies motivating the people to open dubious attachments or click some download links, for instance, those encouraging the people to open certain pictures, text files, tax files and other information.

No doubt, opening these files or clicking on the harmful links may basically harm the system. Fake Adobe Flash Player update notifications may cause the Oxva ransomware infiltration. Likewise, downloading the cracked software might additionally contain the ransomware installer. The last however not the least, setup of Oxva may occur through some Trojan horses that might be set up stealthily into the system and without the user’s direct permission or even permission.

Preventing the Oxva virus injection.

Obviously, there is no outright guarantee that your computer will be constantly without any malware attacks, however, we wish to share some beneficial suggestions with you to make it much safer. Ensure to pay extremely close attention while searching the web and especially while downloading cost-free programs. Do not open any dubious e-mail attachments, especially if the sender is not known to you.

Do not forget that certain freeware installer may also contain some other additional apps in the bundle. These additional applications may be extremely harmful. It is of utmost importance to keep your anti-virus software application and your operating system in general to be constantly effectively updated.

It is rather sensible that downloading cracked programs is prohibited, nevertheless, in addition, such unauthorized software application use might also bring serious damage to your computer. Thus, do not download any cracked programs. Plus, the truth that your existing anti-virus did not safeguard the system from the Oxva ransomware is a good reason for you to reconsider your options and switch to another program that can render the safeguarding functions on a much better level.

Below please find the quotation from the Oxva 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 “.oxva” extension added by the virus:”

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

1.Download GridinSoft Anti-Malware.

You can get 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.

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.

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

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

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.

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.

Use Emsisoft Decryptor for restore oxva 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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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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