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

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

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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.


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

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


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

rotorcrypt 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 completed a bachelor degree in Marketing from the University of National and World Economy. She has been with the STF team for three years, researching malware and reporting on the latest infections.

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