Remove PROM Virus (.PROM[prometheushelp@mail.ch] Files Ransomware) – Thanos Ransomware

PROM Virus Ransomware

The PROM stands for a ransomware-type infection. The virus comes from the Thanos ransomware family. PROM was elaborated specifically to encrypt all major file types. When the file is encrypted people are unable to use them. PROM adds the “.PROM[prometheushelp@mail.ch]” extension for each file encrypted by it. For example, the file “myphoto.jpg“, once encrypted by PROM, will be renamed into “myphoto.jpg.PROM[prometheushelp@mail.ch]“. As quickly as the encryption is finished, PROM places a special text file into every folder containing the encrypted data.

The message given by PROM text file requesting for the ransom is definitely the same as the statements given by other ransomware virus representatives belonging to the Thanos family. It actually mentions that the info is encrypted which the only way to bring back it is to use a an unique decryption key. Regretfully, this is definitely true. The sort of cryptography mechanism used by PROM is still not correctly examined. Still, it is definitely particular that each victim may be given the specific decryption key, which is totally unique. It is impossible to bring back the files without the key available.

Another trick of PROM is that the victims cannot get to the key. The key is kept on a specific server run by the frauds connected with PROM ransomware. To get the key and recover the important information people have to pay the ransom.

However, regardless of the requested quantity, people must stay away from paying the ransom virus. Cyber frauds are unfair, so they tend to entirely ignore what their victims feel about the problem, even when the payment reaches their pockets. This is why paying the ransom typically does not provide any positive result and people simply lose their money for absolutely nothing.

We strongly encourage that you do not contact these crooks and definitely do not transfer money into their accounts. It is said to admit that there are no utilities able to crack PROM ransomware and to recover the data data totally free. Therefore, the only best decision is to recover the lost data from the available backup.

Virus Summary

Name PROM Ransomware
File Extension .PROM[prometheushelp@mail.ch]
Type Ransomware
Family Thanos
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 and RSA encryption algorithms. Once the encryption is completed, the ransomware adds its special PROM[prometheushelp@mail.ch] extension to all the files modified by it.
Distribution Method Spam Emails, Email Attachments
Removal Tool   GridinSoft Anti-Malware

Bear in mind that the internet is now overwhelmed with threats that look similar to PROM ransomware. Harmful programs of such kind are generally elaborated to encrypt crucial data and to state the demand prior to the user to pay the ransom. The peculiarity of all such ransomware threats is that all apply a similar algorithm to produce the unique decryption key for data decryption.

Therefore, as long as the ransomware is still being developed or has some hidden bugs, by hand recovering the information is merely not feasible. The only way to prevent the loss of your crucial data is to routinely create backups of your important information.

Remember that even if you create such backups, they need to be placed into a special storage utility not connect to your main computer. You may use the USB Flash Drive or external hard disk for this purpose, or refer to the help of the cloud storage. If you store your backup files on your common system they may be encrypted in addition to other files, so it’s certainly not a good storage location.

How did ransomware infect my system?

There are a number of ways used by online frauds to distribute PROM ransom virus. Even though it doubts how exactly PROM injects your system, there are some leaks through which it may penetrate the system:

  • integration with third-party apps, especially freeware;
  • spam e-mails from unidentified senders;
  • sites rendering free hosting services;
  • pirated peer-to-peer (P2P) downloads.

Frequently PROM virus might be presented as some legitimate software application, for instance, in the pop-ups advising users to carry out some important software updates. This is the typical technique used by online frauds to persuade people into downloading and installing PROM infection manually, by ways of their direct participation in the installation process.

Additionally, the criminals may describe different email spam techniques to inject destructive codes into systems. So, they may describe to sending unsolicited spam e-mails with tricky notifications promoting users to download the attachments or click on certain download links, for example, the ones encouraging users to open some receipts, documents, tax reports or invoices.

Needless to mention, opening such files or clicking on such dangerous links may seriously damage the PC. Fictitious Adobe Flash Player update notifies may result in PROM virus injection. As for the cracked software, these illegally downloaded programs may likewise include malicious codes resulting in PROM secret installation. Lastly, injection of PROM may take place by methods of Trojans that secretly get injected into the system and install harmful tools without the user’s permission.

Is there any method to prevent the injection of PROM ransomware?

Although there is no 100% guarantee to avoid your computer from getting infected, there are some pieces of guidance we wish to share with with you. Firstly, be really careful when you surf the web and especially while downloading totally free programs. Keep away from opening suspicious email attachments, especially when the sender of the email is not familiar to you.

Remember that some freeware installers may include other unwanted utilities in the bundle, so they may be destructive. Make certain that your current anti-virus and your entire operating system is always appropriately updated.

Naturally, downloading pirated software is unlawful and may lead to necessary damage to be made for your system. Thus, stay away from downloading cracked software. You are likewise strongly advised to reconsider your existing security software and possibly switch to another security solution that can render better services of defending your system.

Below please find the quotation from the PROM text file:

You are not able to decrypt it by yourself! The only method of recovering files is to purchase an unique private key.
Only we can give you this key and only we can recover your files.

We recommend you upload 3 encrypted files in hxxps://privatlab.com/file and paste link to you message. We will demonstrate that we can recover your files.
* Please note that files must not contain any valuable information.

Do you really want to restore your files?

1) Using a TOR browser!
a) Download and install TOR browser from this site: hxxps://torproject.org/
b) Open website: hxxp://sonarmsniko2lvfu.onion/?a=reg
c) Register account
d) Click Compose  and write to us, our username: Prometheus, in message write Your Key Identifier (it is at the end of file)

2) Using a email
Write to 3 emails address at once, in message write Your Key Identifier (it is at the end of file) :
prometheushelp@mail.ch
prometheushelp@airmail.cc
Prometheus.help@protonmail.ch

We recommend using 1 method via TOR browser to contact us.
Email letters may not reach us. Therefore, if you do not receive a response within 12 hours, please use method 1.
* 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.
*For our safety, all information about your server and your decryption key will be automaticaly DELETED AFTER 7 DAYS! You will irrevocably lose all your data!

Key Identifier:
======================================

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The private PGP key is stored encrypted so even if the server gets hacked the hacker gets no keys.
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Screenshot of files with “.PROM[prometheushelp@mail.ch]” extension added by the ransomware:

Use GridinSoft Anti-Malware to remove PROM 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.

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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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