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Cassetto ransomware. How to remove? (Uninstall guide)

removal by Gabriel E. Hall - - | Type: Ransomware

Cassetto ransomware is a cryptovirus that is demanding from 0.5 to 25 BTC for decrypting victims' files

Cassetto ransomware
Cassetto ransomware is a crypto demanding virus that targets various countries.
 

Cassetto ransomware is a dangerous cryptovirus that encrypts users' data, and changes file names by appending .cassetto extension. Immediately after infiltration, the virus scans the system for specific data and locks the most important victim's files by using AES, RSA or similar encryption[1] algorithm. As a result, these files become unusable and can be recovered only if you buy the special key which is held by ransomware developers. The ransomware also drops an IMPORTANT ABOUT DECRYPT.txt file in each folder on the computer which is supposed to describe the previously explained actions of the virus. In addition, it requires from 0.5 to 25 Bitcoin, depending on the importance and amount of locked files. Virus developers say that they can also provide victims with information about the payment methods according to their country meaning that Cassetto ransomware is set to attack various world's countries.

Name Cassetto ransomware
Type Cryptovirus
Ransom note IMPORTANT ABOUT DECRYPT.txt
Ransom amount 0.5 – 25 BTC
Extension .cassetto
email address provided to victims omg-help-me@openmailbox.org 
Distribution Spam email attachments
Elimination Use Reimage for Cassetto ransomware removal

This ransomware is similar to other products from crypto-extortionists. However, as we have already stated, it looks that this virus attacks victims in multiple countries. In the ransom note, it is stated that people can get instructions on bitcoin payment methods based on their country. The same ransom note suggests that people can provide the name of their country, computer's name, and username of the infected system and similar details. 

Cassetto ransomware developers have also been suggesting to test their decryption service for free. However, the full recovery requires a payment because, according to the bad guys, there is no other method for file recovery except their decryption tool. Fortunately, in most cases, this is not true because people behind the ransomware are not willing to unlock your files without the money. You can always use backups to recover your encrypted data. Also, you can follow several data recovery methods provided by 2spyware experts.

This ransom note also asks using omg-help-me@openmailbox.org email address to contact the developers of Cassetto virus. The ransom amount, according to the developers, can change from 0.5 to 25 Bitcoin. No matter how big the ransom is, you should never pay it as there is a big chance that ransomware developers will ignore you after the payment is done.

If you are interested in what is said in the ransom note of Cassetto ransomware, here is a full note which is used by this virus:

WARNING!! YOU ARE SO F*UCKED!!!

Your Files Has Encrypted

What happened to your files?
All of your files were protected by a strong encryptation
There is no way to decrypt your files without the key.
If your files not important for you just reinstall your system.
If your files is important just email us to discuss the the price and how to decrypt your files.

You can email us to omg-help-me@openmailbox.org

We accept just BITCOIN if you don´t know what it is just google it.
We will give instructions where and how you buy bitcoin in your country.
Price depends on how important your files and network is.
It could be 0.5 bitcoin to 25 bitcoin.
You can send us a encrypted file for decryption.
Fell free to email us with your country, computer name and username of the infected system.

Unfortunately, there is no official decryption tool for this ransomware yet, so you need to focus on Cassetto ransomware removal. After the proper virus elimination, you can try to restore your data from an external drive or cloud. If you have no backups, we have a few solutions for data recovery below.

You need to remove Cassetto ransomware as soon as possible because silent intruders can install additional programs on the already infected system. The best solution for that is anti-malware programs like Reimage. This tool can detect various cyber threats and remove them with all the additional pieces. 

Pay more attention to avoid crypto-extortionists

There are a few actions you can take to avoid ransomware infections. Since the most common way of ransomware spreading is spam email[2] attachments, you should pay more attention while checking your emails. These are the few things you should look out for in an email:

  • Typos or grammar mistakes.
  • Suspicious Word, Excel or PDF file attachments.
  • Emails from services or companies you are not using.
  • Different contents of the email itself and the file attachment.
  • An excessive amount of commercial content.

If you get an email that you were not expecting, don't rush to open it and better try to scan the attached file before downloading on the computer. These safe-looking files can automatically spread malware or even direct ransomware payload on your device after you open it on the PC. You can also try to answer the sender, and this way make sure that this email is from a legitimate address.

Many researchers[3] advise people to clear their spam email boxes more frequently to avoid any unexpected or possibly malicious emails. These emails may contain harmful content in various forms. Pay attention to what ads or links you are clicking on. 

Eliminate Cassetto ransomware from your system by using reputable tools

To remove Cassetto ransomware safely and surely, you need to employ anti-malware programs. These tools can detect various intruders and cyber infections, including ransomware. Reimage or Plumbytes Anti-MalwareMalwarebytes Malwarebytes for example, are trustworthy programs with malware-fighting capabilities. Tools like these can remove ransomware and all related programs or files from your device.

Cassetto ransomware removal needs to be done before any data recovery attempts. Ransomware may still affect files on the system or any device that you plug in. Run a full system scan with the anti-malware of your choice and follow through with virus termination. Double-check to make sure that your device is clean again. Then you can try to restore your lost data.

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What to do if failed?
If you failed to remove virus damage using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to remove virus damage. Free scanner allows you to check whether your PC is infected or not. If you need to remove malware, you have to purchase the licensed version of Reimage malware removal tool.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Malwarebytes.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Combo Cleaner.

To remove Cassetto virus, follow these steps:

Remove Cassetto using Safe Mode with Networking

Reboot your system in Safe Mode with Networking as the first step in ransomware removal:

  • Step 1: Reboot your computer to Safe Mode with Networking

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Safe Mode with Networking from the list Select 'Safe Mode with Networking'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Networking in Startup Settings window. Select 'Enable Safe Mode with Networking'
  • Step 2: Remove Cassetto

    Log in to your infected account and start the browser. Download Reimage or other legitimate anti-spyware program. Update it before a full system scan and remove malicious files that belong to your ransomware and complete Cassetto removal.

If your ransomware is blocking Safe Mode with Networking, try further method.

Remove Cassetto using System Restore

Try System Restore feature by following the steps:

  • Step 1: Reboot your computer to Safe Mode with Command Prompt

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Command Prompt from the list Select 'Safe Mode with Command Prompt'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Command Prompt in Startup Settings window. Select 'Enable Safe Mode with Command Prompt'
  • Step 2: Restore your system files and settings
    1. Once the Command Prompt window shows up, enter cd restore and click Enter. Enter 'cd restore' without quotes and press 'Enter'
    2. Now type rstrui.exe and press Enter again.. Enter 'rstrui.exe' without quotes and press 'Enter'
    3. When a new window shows up, click Next and select your restore point that is prior the infiltration of Cassetto. After doing that, click Next. When 'System Restore' window shows up, select 'Next' Select your restore point and click 'Next'
    4. Now click Yes to start system restore. Click 'Yes' and start system restore
    Once you restore your system to a previous date, download and scan your computer with Reimage and make sure that Cassetto removal is performed successfully.

Bonus: Recover your data

Guide which is presented above is supposed to help you remove Cassetto from your computer. To recover your encrypted files, we recommend using a detailed guide prepared by 2-spyware.com security experts.

If your files are encrypted by Cassetto, you can use several methods to restore them:

Data Recovery Pro can restore accidentally deleted or encrypted files

Use Data Recovery pro and restore files that Cassetto ransomware has locked.

  • Download Data Recovery Pro;
  • Follow the steps of Data Recovery Setup and install the program on your computer;
  • Launch it and scan your computer for files encrypted by Cassetto ransomware;
  • Restore them.

Windows Previous Versions feature can recover your individual files

You can use this Windows feature is System Restore was enabled before the initial attack.

  • Find an encrypted file you need to restore and right-click on it;
  • Select “Properties” and go to “Previous versions” tab;
  • Here, check each of available copies of the file in “Folder versions”. You should select the version you want to recover and click “Restore”.

You can try ShadowExplorer if Cassetto ransomware encrypted your files

Unfortunately, ShadowExplorer can help only if Shadow Volume Copies were left untouched.

  • Download Shadow Explorer (http://shadowexplorer.com/);
  • Follow a Shadow Explorer Setup Wizard and install this application on your computer;
  • Launch the program and go through the drop down menu on the top left corner to select the disk of your encrypted data. Check what folders are there;
  • Right-click on the folder you want to restore and select “Export”. You can also select where you want it to be stored.

Decryption tool is not available.

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from Cassetto and other ransomwares, use a reputable anti-spyware, such as Reimage, Malwarebytes MalwarebytesCombo Cleaner or Plumbytes Anti-MalwareMalwarebytes Malwarebytes

About the author

Gabriel E. Hall
Gabriel E. Hall - Passionate web researcher

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References