RansomwareRemoval Guide

GUESSWHO Virus Removal Guide (+Decode .guesswho files) – Rapid Ransomware

GUESSWHO Virus Ransomware

The GUESSWHO stands for a ransomware-type infection. The virus comes from the Rapid ransomware family. GUESSWHO was elaborated particularly to encrypt all major file types. When the file is encrypted people are not able to use them. GUESSWHO adds the “.guesswho” extension for each file encrypted by it. For example, the file “myphoto.jpg“, when encrypted by GUESSWHO, will be renamed into “myphoto.jpg.guesswho“. As quickly as the encryption is finished, GUESSWHO places a special text file into every folder containing the encrypted data.

The message given by GUESSWHO text file requesting for the ransom is absolutely the like the statements given by other ransomware virus representatives belonging to the Rapid type. It literally discusses that the info is encrypted which the only way to bring back it is to use a an unique decryption key. Regretfully, this is absolutely true. The type of cryptography mechanism used by GUESSWHO is still not appropriately examined. Still, it is definitely certain that each victim may be given the specific decryption key, which is completely distinct. It is impossible to bring back the files without the key available.

Another trick of GUESSWHO is that the victims cannot access to the key. The key is kept on a particular server run by the frauds associated with GUESSWHO ransomware. To get the key and recover the important info people have to pay the ransom.

Nevertheless, irrespective of the asked for amount, people should stay away from paying the ransom virus. Cyber frauds are not fair, so they tend to totally disregard what their victims feel about the problem, even when the payment reaches their pockets. This is why paying the ransom generally does not give any positive result and people simply waste their money for 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 GUESSWHO ransomware and to recover the information data for free. Hence, the just right decision is to recover the lost information from the available backup.

Virus Summary

NameGUESSWHO Ransomware
File Extension.guesswho
TypeRansomware
FamilyRapid
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 and RSA encryption algorithms. Once the encryption is completed, the ransomware adds its special guesswho extension to all the files modified by it.
Distribution MethodSpam Emails, Email Attachments
Similar InfectionsGuesswho, Ransomware, Is
Removal Tool  GridinSoft Anti-Malware

Remember that the world wide web is now overwhelmed with threats that look comparable to GUESSWHO ransomware. It is similar Guesswho and many other ransomware-type threats. Harmful programs of such kind are generally elaborated to encrypt important information 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 files decryption.

Thus, as long as the ransomware is still being developed or has some hidden bugs, manually recovering the information is simply not feasible. The only method to prevent the loss of your crucial data is to regularly create backups of your important information.

Remember that even if you create such backups, they need to be put into a special storage utility not connect to your main PC. You may use the Memory Stick or external disk drive 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 definitely not a good storage location.

How did ransomware infect my system?

There are a number of ways used by online scams to distribute GUESSWHO virus. Despite the fact that it doubts how exactly GUESSWHO injects your PC, there are some leaks through which it may penetrate the system:

  • integration with third-party software, especially freeware;
  • spam emails from unknown senders;
  • sites rendering free hosting services;
  • pirated peer-to-peer (P2P) downloads.

Frequently GUESSWHO virus may exist as some genuine software, for instance, in the pop-ups advising users to carry out some essential software application updates. This is the typical technique used by online scams to persuade people into downloading and installing GUESSWHO infection manually, by methods of their direct participation in the installation process.

In addition, the criminals may refer to different e-mail spam methods to inject malicious codes into PC. So, they may refer to to sending unsolicited spam emails with tricky notifications promoting users to download the attachments or click on certain download links, for example, the ones encouraging users to open some photos, files, tax reports or invoices.

Needless to mention, opening such files or clicking on such dangerous links may severely damage the system. Fictitious Adobe Flash Player update alerts may result in GUESSWHO ransom injection. As for the cracked applications, these illegally downloaded programs may also consist of destructive codes resulting in GUESSWHO secret installation. Finally, injection of GUESSWHO may occur by methods of Trojans that covertly get injected into the system and set up harmful utilities without the user’s consent.

Is there any way to avoid the injection of GUESSWHO ransom virus?

Although there is no 100% guarantee to avoid your computer from getting infected, there are some pieces of guidance we want to show with you. To start with, be very careful when you surf the web and specifically while downloading complimentary programs. Stay away from opening suspicious email attachments, especially when the sender of the email is not familiar to you.

Keep in mind that some freeware installers may include other unwanted utilities in the bundle, so they may be destructive. Ensure that your current antivirus and your entire operating system is always appropriately updated.

Obviously, downloading pirated software is illegal and may lead to vital damage to be produced your system. For this reason, stay away from downloading cracked software. You are likewise highly encouraged to reconsider your existing security software and perhaps change to another security solution that can render far better services of protecting your computer.

Below please find the quotation from the GUESSWHO text file:

Hello, dear friend! 
All your files have been ENCRYPTED 
Do you really want to restore your files? 
Write to our email- grupposupp@protonmail.ch or grupposupp@airmail.cc 
and tell us your unique ID-ID

Screenshot of files with “.guesswho” extension added by the ransomware:

Use GridinSoft Anti-Malware to remove GUESSWHO 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

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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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