Rzfu Virus Removal Guide (+Decrypt .rzfu files)

Rzfu Virus – Details

Rzfu is a harmful software functioning as typical ransomware. Michael Gillespie, the well-known virus researcher, very first found this new name in the DJVU ransomware family.

Rzfu was developed for the sole function to encrypt all popular file types. Realistically, as soon as the encryption is successfully achieved, the users are unable to get access to them. Rzfu ransomware adds its own “.rzfu” to all the encrypted data. For instance, the file “price_list.xls”, as soon as crypted by Rzfu, will be entitled as “price_list.xls.rzfu”. When the file encryption is achieved, Rzfu puts its own distinct text document (_readme.txt) into all the folders that keep the encrypted files.

The alert stated by document asking for the random os very comparable to the notifications provided by other ransomware dangers coming from the DJVU family. The caution essentially shows that the information has been encrypted and the only option to get access to it is to use an unique standalone key. Regretfully, this statement is definitely true.

The approach to secure the files used by Rzfu is not entirely investigated. However, there is no doubt that each computer system owner may be provided a special decryption key, which is definitely distinct. It is very hard to recover the data without the proper key in location.

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

One more peculiarity of the Rzfu infection is that the users are not able to get access to the key. The decrypting key is hosted on an unique server under the complete control by the crooks who have actually introduced the Rzfu virus into the world wide web. In order to obtain the key and bring back the crucial data, the users are told to contact the scams by means of email or by telegram and to pay the ransom in the quantity of $980.

The message also states that the people ought to contact the Rzfu authors within 72 hours upon the minute of the data encryption. The alert suggests that by doing so the people will get a 50% discount rate, therefore, the ransom amount falls to $490.

No matter what the quantity of the ransom is, we strongly encourage that you do not pay the ransom. There is no assurance that these online crooks will keep their guarantees, so they might not care at all what the victims feel about the encryption, even when the quantity of the ransom is received into their accounts. Thus, paying ransom often does not result in an effective recovery. So, the users may merely lose their money for nothing.

Likewise, we advise you not to call the frauds as they instruct. Do not move loan into their wallets. There are no applications that could break the Rzfu virus or bring back the data for free. For that reason, the only proper decision is to restore the information from possible backups (if offered).

Virus Summary

Name Rzfu Ransomware
File Extension rzfu
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 .rzfu extension to all the files modified by it.
Distribution Method Adware bundles and software cracks
Similar Infections Lokas, Besub, Nusar
Rzfu Removal Tool   GridinSoft Anti-Malware
Rzfu Decryption Tool   Emsisoft Djvu Decryptor

Do not forget that the Web is now filled with infections comparable to the Rzfu ransomware. For example, this particular threat is generally identical to Brusaf and other ransomware-type infections. These harmful energies have been established in order to encrypt the essential information and reveal the need for the users to pay the ransom. All these infections utilize the identical algorithm to create the particular key for successful information decryption.

Unless the Rzfu ransomware is still under the advancement procedure or has got some concealed bugs, it is not possible to restore the data by hand. Thus, the only working solution to avoid the loss of your essential data is to routinely maintain current backups of all your crucial files.

Another crucial piece of recommendations is to save the backups on special storage not linked to your main device. For example, you may 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 regular drive is very risky, because the backup might likewise be encrypted by the Rzfu ransomware.

Leaks for the Rzfu ransomware attack.

Rzfu utilizes lots of courses to penetrate the susceptible computers. It is not certain what particular technique was used in your case, however, the intrusion may happen by means of the following channels:

  • bundling with third-party programs, generally freeware;
  • spam emails from the unidentified senders;
  • websites providing complimentary hosting;
  • P2P (peer-to-peer) torrent software.

There are times when the Rzfu virus may camouflage itself as some real application, for example, through the deceptive signals requiring installation of some software application upgrade. This is the most typical technique used by the scams to inject the Rzfu ransomware files into the system. This way users partially take part in its setup, without plainly understanding the risk.

In addition, the scams might send unsolicited spam email with difficult alerts motivating individuals to open dubious accessories or click on some download links, for instance, those encouraging individuals to open certain pictures, text files, tax files and other info.

No doubt, opening these files or clicking on the malicious links may essentially harm the system. Fake Acrobat Reader upgrade alerts may lead to the Rzfu ransomware seepage. Similarly, downloading the cracked software application might additionally consist of the ransomware installer. The last but not the least, installation of Rzfu may happen through some Trojan horses that may be set up stealthily into the system and without the user’s direct authorization or perhaps authorization.

Preventing the Rzfu virus injection.

Obviously, there is no absolute assurance that your computer will be constantly devoid of any malware attacks, nevertheless, we want to share some helpful ideas with you to make it much safer. Ensure to pay very very close attention while searching the web and especially while getting cost-free programs. Do not open any suspicious e-mail accessories, specifically if the sender is not known to you.

Do not forget that particular freeware installer may likewise consist of some other additional apps in the package. These extra applications may be really destructive. It is of utmost value to keep your anti-virus software and your operating system in general to be always correctly upgraded.

It is quite sensible that downloading cracked programs is illegal, however, furthermore, such unapproved software use may likewise bring severe damage to your PC. For this reason, do not download any cracked programs. Plus, the truth that your present anti-virus did not protect the system from the Rzfu ransomware is a great reason for you to reassess your choices and switch to another program that can render the safeguarding functions on a far better level.

Below please find the quotation from the Rzfu 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 “.rzfu” extension added by the virus:”

Use GridinSoft Anti-Malware to remove Rzfu 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.

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 rzfu 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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