Remove Frogo Ransomware and Decrypt Files

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frogo ransomware virus removal guide and file decryption help STF

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 Frogo

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Malware Removal Tool

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 – 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. Lucky, 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.

Manually delete Frogo from your computer

Note! Substantial notification about the Frogo threat: Manual removal of Frogo requires interference with system files and registries. Thus, it can cause damage to your PC. Even if your computer skills are not at a professional level, don’t worry. You can do the removal yourself just in 5 minutes, using a malware removal tool.

1. Boot Your PC In Safe Mode to isolate and remove Frogo files and objects

2.Find malicious files created by Frogo on your PC

Automatically remove Frogo by downloading an advanced anti-malware program

1. Remove Frogo with SpyHunter Anti-Malware Tool and back up your data

Frogo Ransomware – Decryption Instructions

After having removed the Frogo threat from your computer, you should follow these instructions to get your files back:

Step 1: Download Frogo Decryptor by Emsisoft from this web page and save it on your computer. The decryptor was initially created for Amnesia ransomware but as Frogo is its newest strain the decryptor works for files encrypted by Frogo ransomware as well.

Step 2: Copy the following files into a new folder:

  • decrypt_Amnesia.exe
  • One encrypted picture.
  • The decrypted variant of the encrypted picture.

In case you do not have any original variants of encrypted pictures, please, make sure to use the default Windows pictures from another Windows PC. They are usually located in:

For newer Windows (8, 8.1, 10):
C:\Windows\Web\Wallpaper
For Windows 7 and earlier:
C:\Users\Public\Pictures
C:\Users\{Username}\Pictures

Step 2: Drag an encrypted and original files on the Frogo decrypter, just like the GIF below demonstrates:

Amnesia-decrypt-gif-sensorstechforum-ransowmare-com

Step 3: After the files are dropped, you should see a pop-up similar to the following:

2-decryption-key-found-Frogo-sensorstechforum

Press OK to continue.

Step 4: After this, the primary interface of the decryptor will show:

Amnesia-ransomware-decrypt-sensorstechforum

From there choose the folders you wish to decrypt and click on the Decrypt button.

After decryption, the files should be saved in the same location where they were initially encrypted. You also have the option to choose whether to keep or discard the encrypted version of the files.

Frogo Ransomware – What to Do After Decryption

In case you have been attacked by Frogo ransomware, you are a lucky individual. But bear in mind that it is never too late to implement the necessary protection precautions and learn how to safely store your data and protect it from ransomware and other malware in the future.

Gergana Ivanova

Gergana Ivanova

Gergana Ivanova is a computer security enthusiast. She keeps track on the latest malware issues and hopes that more people will outsmart hackers.

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