Frogo is a newly discovered ransomware that targets essential data stored on the infected hosts and blackmails victims into paying a ransom. The access to all encrypted files is restricted so they may seem broken. In addition they may be marked with the extension .frogo at the end of their names. Before the ransomware brings the attack to its end it drops a ransom note that primary aims to inform victims how they can pay the demanded ransom.
This article aims to show infected users how they can fully remove Frogo ransomware from the infected computer and restore encrypted files.
Threat Summary
| Name | Frogo |
| Type | Ransomware, Cryptovirus |
| Short Description | The ransomware encrypts files on your computer and demands a ransom. |
| Symptoms | The ransomware will encrypt your files making them inaccessible. It will then drop a ransom note and open it automatically. |
| Distribution Method | Spam Emails, Email Attachments |
| Detection Tool |
See If Your System Has Been Affected by malware
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Malware Removal Tool
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User Experience | Join Our Forum to Discuss Frogo. |
| Data Recovery Tool | Windows Data Recovery by Stellar Phoenix Notice! This product scans your drive sectors to recover lost files and it may not recover 100% of the encrypted files, but only few of them, depending on the situation and whether or not you have reformatted your drive. |
Frogo Ransomware – Spread Techniques
Frogo ransomware payloads may be attached to email messages with spoofed senders and addresses. Usually, the messages try to trick users into downloading the malicious samples on their computer systems and infect them with Frogo ransomware. The sender’s name and email address can pose as well-known business organizations, legal services, and even governmental institutions.
In some cases, the ransomware payload may appear as well crafted fake notification for software update that urges to download a critical security patch. Additionally, the code of the malicious Frogo crypto virus may be injected into web pages that are set to download it automatically. The links to these compromised web pages may be included in malvertising campaigns or spread on social media channels.
Frogo Ransomware – Technical Insight
The ransomware attack starts at the moment its payload is running on the PC. The payload may be designed to connect it command and control center to download additional malicious components that will help it to fulfill the attack. Its malicious files may be located in essential Windows system folders like:
- %AppData%
- %Temp%
- %Roaming%
- %Common%
- %System32%
Once all that it needs is on the PC it can access Windows Registry Editor to modify values under the Run and RunOnce keys. These keys can enable the automatic start of Frogo ransomware payload each time the operating system is loaded. Furthermore, other values under the same keys may be modified so that the ransom note can appear automatically on the PC screen in the end of the infection.
Security experts are currently investigating Frogo rasomware samples so information about the crooks’ message and demanded ransom amount are to be revealed soon. In case that you are a victim of threat be advised to avoid any negotiations with the criminals. There is no need to pay the ransom as Frogo ransomware appears to be a new strain of Amnesia crypto virus that has been successfully cracked by the researchers at Emsisoft.
Frogo Ransomware – Encryption Process
The threat employs strong cipher algorithm to encrypt files and make them no longer openable. All corrupted files can be marked with a malicious extension. Frogo ransomware is likely to target common file formats that store valuable information like media files (audio, video, images) databases, archives, documents, projects, etc. Luckyly, there is a method to decrypt files encrypted by this virus, thanks to Emsisoft researchers. But first, you need to remove all files and objects associated with Frogo ransomware from your computer.
Remove Frogo Ransomware and Decrypt Files
One method to remove Frogo ransomware virus is to follow the detailed manual instructions below. Bear in mind that experts strongly advise using and advanced anti-malware software to remove everything associated with the ransomware.
Gergana Ivanova
Highly motivated writer with 5+ years of experience writing for ransomware, malware, adware, PUPs, and other cybersecurity-related issues. As a writer, I strive to create content that is based on thorough technical research. I find joy in the process of creating articles that are easy to understand, informative, and useful. Follow me on Twitter (@IRGergana) for the latest in the field of computer, mobile, and online security.
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Step 1: Scan for Frogo with SpyHunter Anti-Malware Tool
Ransomware Automatic Removal - Video Guide
Step 2: Uninstall Frogo and related malware from Windows
Here is a method in few easy steps that should be able to uninstall most programs. No matter if you are using Windows 10, 8, 7, Vista or XP, those steps will get the job done. Dragging the program or its folder to the recycle bin can be a very bad decision. If you do that, bits and pieces of the program are left behind, and that can lead to unstable work of your PC, errors with the file type associations and other unpleasant activities. The proper way to get a program off your computer is to Uninstall it. To do that:
Follow the instructions above and you will successfully delete most unwanted and malicious programs.
Step 3: Clean any registries, created by Frogo on your computer.
The usually targeted registries of Windows machines are the following:
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
You can access them by opening the Windows registry editor and deleting any values, created by Frogo there. This can happen by following the steps underneath:
Tip: To find a virus-created value, you can right-click on it and click "Modify" to see which file it is set to run. If this is the virus file location, remove the value.
Before starting "Step 4", please boot back into Normal mode, in case you are currently in Safe Mode.
This will enable you to install and use SpyHunter 5 successfully.
Step 4: Boot Your PC In Safe Mode to isolate and remove Frogo
Step 5: Try to Restore Files Encrypted by Frogo.
Method 1: Use STOP Decrypter by Emsisoft.
Not all variants of this ransomware can be decrypted for free, but we have added the decryptor used by researchers that is often updated with the variants which become eventually decrypted. You can try and decrypt your files using the instructions below, but if they do not work, then unfortunately your variant of the ransomware virus is not decryptable.
Follow the instructions below to use the Emsisoft decrypter and decrypt your files for free. You can download the Emsisoft decryption tool linked here and then follow the steps provided below:
1 Right-click on the decrypter and click on Run as Administrator as shown below:
2. Agree with the license terms:
3. Click on "Add Folder" and then add the folders where you want files decrypted as shown underneath:
4. Click on "Decrypt" and wait for your files to be decoded.
Note: Credit for the decryptor goes to Emsisoft researchers who have made the breakthrough with this virus.
Method 2: Use data recovery software
Ransomware infections and Frogo aim to encrypt your files using an encryption algorithm which may be very difficult to decrypt. This is why we have suggested a data recovery method that may help you go around direct decryption and try to restore your files. Bear in mind that this method may not be 100% effective but may also help you a little or a lot in different situations.
Simply click on the link and on the website menus on the top, choose Data Recovery - Data Recovery Wizard for Windows or Mac (depending on your OS), and then download and run the tool.
Frogo-FAQ
What is Frogo Ransomware?
Frogo is a ransomware infection - the malicious software that enters your computer silently and blocks either access to the computer itself or encrypt your files.
Many ransomware viruses use sophisticated encryption algorithms to make your files inaccessible. The goal of ransomware infections is to demand that you pay a ransom payment to get access to your files back.
Can Frogo Ransomware Cayse Damage?
Yes, ransomware can damage your computer. Ransomware is a malicious software that is designed to block access to your computer or files until a ransom is paid.
Ransomware can also damage your system, corrupt data and delete files, resulting in the permanent loss of important files.
Should I Ignore Viruses, Like Frogo?
No, you should never ignore ransomware. It can encrypt your data and block access to your computer, making it impossible to access your files until you pay a ransom.
Ignoring ransomware could lead to the permanent loss of your data, as well as the potential for the ransomware to spread to other computers on your network. Additionally, paying the ransom does not guarantee that your data will be recovered.
How Does Frogo Infect?
Via several ways.Frogo Ransomware infects computers by being sent via phishing emails, containing virus attachment.
This attachment is usually masked as an important document, like an invoice, bank document or even a plane ticket and it looks very convincing to users.
After you download and execute this attachment, a drive-by download occurs and your computer is infected with the ransomware virus.
Another way you may become a victim of Frogo is if you download a fake installer, crack or patch from a low reputation website or if you click on a virus link. Many users report getting a ransomware infection by downloading torrents.
How to Open .Frogo files?
You can't. At this point, the .Frogo files are encrypted. You can only open them once they are decrypted using a specific decryptionkey for the particular algorithm.
What to Do If a Decryptor Does Not Work?
Do not panic, and backup the files. If a decryptor did not decrypt your .Frogo files successfully, then do not despair, because this virus is still new.
Can I Restore ".Frogo" Files?
Yes, sometimes files can be restored. We have suggested several file recovery methods that could work if you want to restore .Frogo files.
These methods are in no way 100% guaranteed that you will be able to get your files back. But if you have a backup, your chances of success are much greater.
How To Get Rid of Frogo Virus?
The safest way and the most efficient one for the removal of this ransomware infection is the use a professional anti-malware program.
It will scan for and locate Frogo ransomware and then remove it without causing any additional harm to your important .Frogo files.
Also, keep in mind that viruses like Frogo ransomware also install Trojans and keyloggers that can steal your passwords and accounts.
What to Do If I Cant Get The Files Back?
There is still a lot you can do. If none of the above methods seem to work for you, then try these methods:
- Try to find a safe computer from where you can can login on your own line accounts like One Drive, iDrive, Google Drive and so on.
- Try to contact your friends, relatives and other people so that they can check if they have some of your important photos or documents just in case you sent them.
- Also, check if some of the files that were encrypted can be re-downloaded from the web.
- Another clever way is to find another old computer, a flash drive or even a CD or a DVD where you may have saved your older documents. You might be surprised what will turn up.
- You can also go to your email account to check if you can send any attachments to other people. Usually what is sent the email is saved on your account and you can re-download it. But most importantly, make sure that this is done from a safe computer and make sure to remove the virus first.
More tips you can find on our forums, where you can also asks any questions about your ransomware problem.
How to Report Ransomware to Authorities?
In case your computer got infected with a ransomware infection, you can report it to the local Police departments. It can help authorities worldwide track and determine the perpetrators behind the virus that has infected your computer.
Below, we have prepared a list with government websites, where you can file a report in case you are a victim of a cybercrime:
Cyber-security authorities, responsible for handling ransomware attack reports in different regions all over the world:
Germany - Offizielles Portal der deutschen Polizei
United States - IC3 Internet Crime Complaint Centre
United Kingdom - Action Fraud Police
France - Ministère de l'Intérieur
Italy - Polizia Di Stato
Spain - Policía Nacional
Netherlands - Politie
Poland - Policja
Portugal - Polícia Judiciária
Greece - Cyber Crime Unit (Hellenic Police)
India - Mumbai Police - CyberCrime Investigation Cell
Australia - Australian High Tech Crime Center
Reports may be responded to in different timeframes, depending on your local authorities.
Can You Stop Ransomware from Encrypting Your Files?
Yes, you can prevent ransomware. The best way to do this is to ensure your computer system is updated with the latest security patches, use a reputable anti-malware program and firewall, backup your important files frequently, and avoid clicking on malicious links or downloading unknown files.
Can Frogo Ransomware Steal Your Data?
Yes, in most cases ransomware will steal your information. It is a form of malware that steals data from a user's computer, encrypts it, and then demands a ransom in order to decrypt it.
In many cases, the malware authors or attackers will threaten to delete the data or publish it online unless the ransom is paid.
Can Ransomware Infect WiFi?
Yes, ransomware can infect WiFi networks, as malicious actors can use it to gain control of the network, steal confidential data, and lock out users. If a ransomware attack is successful, it could lead to a loss of service and/or data, and in some cases, financial losses.
Should I Pay Ransomware?
No, you should not pay ransomware extortionists. Paying them only encourages criminals and does not guarantee that the files or data will be restored. The better approach is to have a secure backup of important data and be vigilant about security in the first place.
What Happens If I Don't Pay Ransom?
If you don't pay the ransom, the hackers may still have access to your computer, data, or files and may continue to threaten to expose or delete them, or even use them to commit cybercrimes. In some cases, they may even continue to demand additional ransom payments.
Why Is the Ransom Paid in Crypto?
Cryptocurrency is a secure and untraceable form of payment, making it the ideal choice for ransom payments. It is difficult to trace, and the transactions are almost instantaneous. This means it is nearly impossible for authorities to track the payment and recover the money.
Can Ransomware Attack Be Detected?
Yes, ransomware can be detected. Anti-malware software and other advanced security tools can detect ransomware and alert the user when it is present on a machine.
It is important to stay up-to-date on the latest security measures and to keep security software updated to ensure ransomware can be detected and prevented.
Do Ransomware Criminals Get Caught?
Yes, ransomware criminals do get caught. Law enforcement agencies, such as the FBI, Interpol and others have been successful in tracking down and prosecuting ransomware criminals in the US and other countries. As ransomware threats continue to increase, so does the enforcement activity.
About the Frogo Research
The content we publish on SensorsTechForum.com, this Frogo how-to removal guide included, is the outcome of extensive research, hard work and our team’s devotion to help you remove the specific malware and restore your encrypted files.
How did we conduct the research on this ransomware?
Our research is based on an independent investigation. We are in contact with independent security researchers, and as such, we receive daily updates on the latest malware and ransomware definitions.
Furthermore, the research behind the Frogo ransomware threat is backed with VirusTotal and the NoMoreRansom project.
To better understand the ransomware threat, please refer to the following articles which provide knowledgeable details.
As a site that has been dedicated to providing free removal instructions for ransomware and malware since 2014, SensorsTechForum’s recommendation is to only pay attention to trustworthy sources.
How to recognize trustworthy sources:
- Always check "About Us" web page.
- Profile of the content creator.
- Make sure that real people are behind the site and not fake names and profiles.
- Verify Facebook, LinkedIn and Twitter personal profiles.