Remove RotorCrypt (PATAGONIA92@TUTANOTA.COM) Ransomware + Decrypt Files
THREAT REMOVAL

Remove RotorCrypt (PATAGONIA92@TUTANOTA.COM) Ransomware + Decrypt Files

This article provides information on how to remove easily remove RotorCrypt (PATAGONIA92@TUTANOTA.COM) ransomware and how to restore encrypted files without paying the ransom.

remove-RotorCrypt-PATAGONIA92-TUTANOTA-COM-ransomware-decrypt-files-sensorstechforum

Another version of RotorCrypt data locker ransomware associated with the contact email PATAGONIA92@TUTANOTA.COM has been spotted by security researchers. The threat plagues computer systems with the main purpose to encrypt important files and demand a ransom payment. A ransom note file called HELP urges victims to contact a presented email address.

Threat Summary

NameRotorCrypt
TypeRansomware, Cryptovirus
Short DescriptionA data locker ransomware that utilizes strong cihper algorithm to encrypt predefined types of files stored on the infected computer. Then it demands a ransom for decryption solution.
SymptomsFiles that store important data are locked and a ransom is demanded for their decryption.
Distribution MethodSpam Emails, Email Attachments
Detection Tool See If Your System Has Been Affected by RotorCrypt

Download

Malware Removal Tool

User ExperienceJoin Our Forum to Discuss RotorCrypt.
Data Recovery ToolWindows 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.

Distribution of RotorCrypt Ransomware

Malicious intenders can spread the infection code of RotorCrypt with the help of several methods. The most common method used for the delivery of this nasty infection is supposed to be massive spam email campaigns. Email messages are a really convenient way for hackers to trick as many users as possible to infect their system with the ransomware. This usually happens by the use of malicious file attachments or in-text links. Both elements may trigger the ransomware infection process after an interaction with them. In order to make users more to download the malicious attachment or visit the corrupted web page hackers can impersonate popular brands, governmental institutions, private services, etc.

For the sake of your security, before you open a dubious file on your PC you could use a free online file extractor to check the security level of the file. Tools of this kind scan the code of each uploaded file for specific malicious traits. After, the scan you could see whether the uploaded file contains malicious elements or not. The information could help you to refrain from opening corrupted files on your PC.

RotorCrypt (PATAGONIA92@TUTANOTA.COM) Ransomware – Infection Process

Another version of RotorCrypt data locker ransomware associated with the contact email PATAGONIA92@TUTANOTA.COM has been spotted by security researchers.

Once the threat is running on a computer system it initiates a sequence of modifications that enable it to plague main systems settings and remain undetected during the attack. Before it completes its main purpose which is data encryption, RotorCrypt ransomware creates additional malicious files needed for the successful attack.

Some of the files are designed to access the Registry Editor, add values under predefined sub-keys in order to utilize their functionalities. Most of times target sub-keys are Run and RunOnce. This is due to the fact that with the help of their functionalities the ransomware could run automatically all malicious files during the infection process. Furthermore, once the ransomware values are added under the Run sub-key, its malicious files are executed on each system start.

A ransom note file called HELP.txt could appear on PC screen immediately after data encryption. It is short and urges victims to contact a presented email address:

help mail
PATAGONIA92@TUTANOTA.COM

rotorcrypt paragonia92@tutanota.com ransomware HELP ransom note sensorstechforum

The good news is that there is no need to follow hackers’ instructions and worry about data decryption. Security specialists at Kaspersky had cracked the code of this nasty infection and released free decryption tool. Keep reading to learn more about it and how to use it.

RotorCrypt Ransomware – Encryption Process

This iteration of RotorCrypt ransomware has a built-in data encryption module that is believed to be operating in the same manner as the previous versions of the ransomware. Following a predefined encryption pattern, the threat encodes all target files with RSA cipher algorithm. During the encryption process, RotorCrypt generates two keys – public and private. Decryption is possible only with the help of the uniquely generated private key. In order that hackers could blackmail infected users into paying the ransom, their ransomware code transfers the private key to a remote server. Happily, there is no need to worry that you don’t have this key. Security specialists at Kaspersky successfully cracked the code of RotorCrypt ransomware. And at the end of our guide, you will find their free decryption tool that will help you to restore encrypted files.

As regards the types of files that could be encrypted by RotorCrypt they are reported to be:

.1cd, .avi, .bak, .bmp, .cf, .cfu, .csv, .db, .dbf, .djvu, .doc, .docx, .dt, .elf, .epf, .erf, .exe, .flv, .geo, .gif, .grs, .jpeg, .jpg, .lgf, .lgp, .log, .mb, .mdb, .mdf, .mxl, .net, .odt, .pdf, .png, .pps, .ppt, .pptm, .pptx, .psd, .px, .rar, .raw, .st, .sql, .tif, .txt, .vob, .vrp, .xls, .xlsb, .xlsx, .xml, .zip

Following encryption corrupted files remain completely unusable until the use of an efficient recovery solution. Unlike the majority of data locker ransomware, this version of RotorCrypt does not transform the names of corrupted files.

Remove RotorCrypt Ransomware and Restore Files

The removal of RotorCrypt ransomware demands a bit of technical experience and ability to recognize traits of malware files. And there is no doubt that you should remove this nasty threat from the infected PC as soon as you detect it. Otherwise, it may take the chance to spread its infection files across the whole network. Below you could find how to remove it step by step. Beware that ransomware is a threat with highly complex code that is designed to plague not only your files but your whole system. So as recommended by security researchers you need to utilize an advanced anti-malware tool for its complete removal. Such tool will keep your system protected against devastating threats like RotorCrypt and other kinds of malware that endanger your online security. After the removal phase, you can proceed to the second phase which aims to help you decrypt encrypted files with the help of free decryption tool released by Kaspersky.

Phase 1: Remove RotorCrypt

In order to fully erase RotorCrypt from your computer system, we have prepared manual and removal instructions which you can follow below. In the event that you are experiencing difficulties in manual removal, experts often advise performing the removal automatically, preferably by downloading an advanced anti-malware software, which will make sure this malware is fully gone from your system and it remains protected against future infections as well.

Gergana Ivanova

Gergana Ivanova

Gergana has a bachelor's degree in Marketing. She has been with the STF team for five years, researching malware, reporting on the latest computer infections, and following digital marketing trends.

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Windows Mac OS X

How to Remove RotorCrypt from Windows.


Step 1: Boot Your PC In Safe Mode to isolate and remove RotorCrypt

OFFER

Manual Removal Usually Takes Time and You Risk Damaging Your Files If Not Careful!
We Recommend To Scan Your PC with SpyHunter

Keep in mind, that SpyHunter’s scanner is only for malware detection. If SpyHunter detects malware on your PC, you will need to purchase SpyHunter's malware removal tool to remove the malware threats. Read our SpyHunter 5 review. Click on the corresponding links to check SpyHunter's EULA, Privacy Policy and Threat Assessment Criteria

1. Hold Windows key() + R


2. The "Run" Window will appear. In it, type "msconfig" and click OK.


3. Go to the "Boot" tab. There select "Safe Boot" and then click "Apply" and "OK".
Tip: Make sure to reverse those changes by unticking Safe Boot after that, because your system will always boot in Safe Boot from now on.


4. When prompted, click on "Restart" to go into Safe Mode.


5. You can recognise Safe Mode by the words written on the corners of your screen.


Step 2: Uninstall RotorCrypt and related software 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:


1. Hold the Windows Logo Button and "R" on your keyboard. A Pop-up window will appear.


2. In the field type in "appwiz.cpl" and press ENTER.


3. This will open a window with all the programs installed on the PC. Select the program that you want to remove, and press "Uninstall"
Follow the instructions above and you will successfully uninstall most programs.


Step 3: Clean any registries, created by RotorCrypt 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 RotorCrypt there. This can happen by following the steps underneath:

1. Open the Run Window again, type "regedit" and click OK.


2. When you open it, you can freely navigate to the Run and RunOnce keys, whose locations are shown above.


3. You can remove the value of the virus by right-clicking on it and removing it.
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.

IMPORTANT!
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: Scan for RotorCrypt with SpyHunter Anti-Malware Tool

1. Click on the "Download" button to proceed to SpyHunter's download page.


It is recommended to run a scan before purchasing the full version of the software to make sure that the current version of the malware can be detected by SpyHunter. Click on the corresponding links to check SpyHunter's EULA, Privacy Policy and Threat Assessment Criteria.


2. After you have installed SpyHunter, wait for it to update automatically.

SpyHunter5-update-2018


3. After the update process has finished, click on the 'Malware/PC Scan' tab. A new window will appear. Click on 'Start Scan'.

SpyHunter5-Free-Scan-2018


4. After SpyHunter has finished scanning your PC for any files of the associated threat and found them, you can try to get them removed automatically and permanently by clicking on the 'Next' button.

SpyHunter-5-Free-Scan-Next-2018

If any threats have been removed, it is highly recommended to restart your PC.

Step 5 (Optional): Try to Restore Files Encrypted by RotorCrypt.

Ransomware infections and RotorCrypt 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.

1. Download the reccomended Data Recovery software by clicking on the link underneath:

If the above link does not work for you and your region, try the other two links below, that lead to the same product:

and

2. On the download page, click on the "Download" button:

3. Click on "Save File" button:

4. Accept all agreements and click "Next":

5. After all the "Next" steps, click on "Install" and then wait for the installation to complete:

6. Run the software. Click on the location to scan for missing or deleted files and click on "Scan":

7. Wait for the scan to complete, it may take some time. Be advised that this scan is not 100% guaranteed to recover all files, but it does have some chance to get your data back:


Windows Mac OS X

Get rid of RotorCrypt from Mac OS X.


Step 1: Uninstall RotorCrypt and remove related files and objects

OFFER
Manual Removal Usually Takes Time and You Risk Damaging Your Files If Not Careful!
We Recommend To Scan Your Mac with SpyHunter for Mac
Keep in mind, that SpyHunter for Mac needs to purchased to remove the malware threats. Click on the corresponding links to check SpyHunter’s EULA and Privacy Policy


1. Hit the ⇧+⌘+U keys to open Utilities. Another way is to click on “Go” and then click “Utilities”, like the image below shows:


2. Find Activity Monitor and double-click it:


3. In the Activity Monitor look for any suspicious processes, belonging or related to RotorCrypt:

Tip: To quit a process completely, choose the “Force Quit” option.


4. Click on the "Go" button again, but this time select Applications. Another way is with the ⇧+⌘+A buttons.


5. In the Applications menu, look for any suspicious app or an app with a name, similar or identical to RotorCrypt. If you find it, right-click on the app and select “Move to Trash”.


6: Select Accounts, after which click on the Login Items preference. Your Mac will then show you a list of items that start automatically when you log in. Look for any suspicious apps identical or similar to RotorCrypt. Check the app you want to stop from running automatically and then select on the Minus (“-“) icon to hide it.


7: Remove any left-over files that might be related to this threat manually by following the sub-steps below:

  • Go to Finder.
  • In the search bar type the name of the app that you want to remove.
  • Above the search bar change the two drop down menus to “System Files” and “Are Included” so that you can see all of the files associated with the application you want to remove. Bear in mind that some of the files may not be related to the app so be very careful which files you delete.
  • If all of the files are related, hold the ⌘+A buttons to select them and then drive them to “Trash”.

In case you cannot remove RotorCrypt via Step 1 above:

In case you cannot find the virus files and objects in your Applications or other places we have shown above, you can manually look for them in the Libraries of your Mac. But before doing this, please read the disclaimer below:

Disclaimer! If you are about to tamper with Library files on Mac, be sure to know the name of the virus file, because if you delete the wrong file, it may cause irreversible damage to your MacOS. Continue on your own responsibility!

1: Click on "Go" and Then "Go to Folder" as shown underneath:

2: Type in "/Library/LauchAgents/" and click Ok:

3: Delete all of the virus files that have similar or the same name as RotorCrypt. If you believe there is no such file, do not delete anything.

You can repeat the same procedure with the following other Library directories:

→ ~/Library/LaunchAgents
/Library/LaunchDaemons

Tip: ~ is there on purpose, because it leads to more LaunchAgents.


Step 2: Scan for and remove RotorCrypt files from your Mac

When you are facing problems on your Mac as a result of unwanted scripts and programs such as RotorCrypt, the recommended way of eliminating the threat is by using an anti-malware program. Combo Cleaner offers advanced security features along with other modules that will improve your Mac’s security and protect it in the future.


Step 3 (Optional): Try to Restore Files Encrypted by RotorCrypt on your Mac.

Ransomware for Mac RotorCrypt aims to encode all your files using an encryption algorithm which may be very difficult to decode, unless you pay money. This is why we have suggested a data recovery method that may help you go around direct decryption and try to restore your files, but only in some cases. Bear in mind that this method may not be 100% effective but may also help you a little or a lot in different situations.

1. Download the recommended Data Recovery Mac app by clicking on the link underneath:

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