Storm Ransomware Removal - Restore Files

Storm Ransomware Removal – Restore Files

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Storm ransomware is a data locker malware that penetrates the computer in order to corrupt stored data on it and blackmails users into paying a ransom for their data. The threat is designed to open a ransom note file on the PC screen once it finishes the attack. The note provides the contact email address and urges victims to send money to a predefined Bitcoin address.

This removal guide aims to help you to get rid of all Strom ransomware malicious files and regain PC security. File recovery via alternative methods that prevent ransom payment is coming next.

Threat Summary

Short DescriptionThe ransomware encrypts files on your computer and displays a ransom message afterward.
SymptomsThe ransomware will encrypt your files and show up a ransom message with the demand of a ransom in BitCoin for data recovery.
Distribution MethodSpam Emails, Email Attachments
Detection Tool See If Your System Has Been Affected by Storm


Malware Removal Tool

User ExperienceJoin Our Forum to Discuss Storm.
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.

Storm Ransomware – Distribution Methods

Ransomware attacks like Storm infect numerous online users worldwide via various delivery tactics. Hackers mostly prefer email campaigns for ransomware payloads distribution. Such emails pose as employees of legal services and are delivered directly to your inbox. The malicious ransomware code may be embedded in document file that needs to be downloaded and opened on the PC or injected into a web page that will download it automatically once visited. Corrupted web pages may also contaminate online advertising campaigns in order to redirect users who click on a banner, pop up, text and other types of online ads on malicious sites developed to auto-run the ransomware. Social media channels are another popular way of ransomware distribution as millions of users have registered accounts that visit every day.

Storm Ransomware – Technical Overview

The infection flow of Storm crypto virus is triggered by a single executable file. The analysis of Storm ransomware samples reveals that the file is named Stub.exe and appears to be assembled with .net compiler. Even though the primary goal of Storm ransomware is data encryption, it is performing various malicious activities that establish a permanent presence of its malicious files on the system. It may establish an online connection with domains controlled by hackers and then drop additional malware files or send hackers information about the infected host. It is also possible that Storm ransomware spawns essential processes that maintain system security to remain unnoticed until it encrypts the files.

Windows registry keys like Run and RunOnce are likely to be modified by the ransomware too. Storm ransomware may cause its payload to run automatically each time the Windows is started by adding entries under these keys:


The same keys are used for the sudden onset of Storm ransom note at the end of infection. It informs users about the corruption of their data and urges them to pay a ransom in order to receive the decryption key for Storm decryptor their files. What it reads is:

Hello You Are Hacked Now !! All your personal files have been encrypted ! if you want restore your data you have to pay ! Remember you can’t restore your data without our decryptor !!!!
Send mony to my bitcoin: ertyuioppoiuhygtfrdeRFTGYHDEZEFFZEF [Copy] Contact Me: StormRansomware@gmail(.)com


Hackers do not inform how much the demanded ransom is, but it should be transferred in Bitcoins. We want to inform all victims that according to security researchers the Bitcoin address is not valid and the email may also be a fake one. That’s why it is better to avoid any contact or negotiations with cyber criminals and deal with Storm removal by yourself as soon as possible.

Storm Ransomware – Encryption Process

To complete its main purpose, Storm ransomware utilizes its built-in encryption module. It is likely to apply the strong AES 256 cipher algorithm to all files that have one of the following file extensions:

→ .accdb, .aepx, .class, .docb, .docm, .docx, .dotm, .dotx, .idml, .indb, .indd, .indl, .indt, .java, .jpeg, .m3u8, .mpeg, .potm, .potx, .ppam, .ppsm, .ppsx, .pptm, .pptx, .prel, .prproj, .sldm, .sldx, .xlam, .xlsb, .xlsm, .xlsx, .xltm, .xltx

After encryption, each corrupted file seems to be broken and remains completely unusable. Encrypted data is probably renamed with a malicious file extension which is currently not known. During the encryption, process ransomware generates a unique decryption key and then sends it to cyber criminals.

To enhance the effect of encryption Storm ransomware may write a single command line in Command Prompt and delete all Shadow Volume copies stored on the PC. This way Storm ransomware prevents one of the possible data recovery approaches.

Remove Storm Ransomware and Restore Your Files

By following the step-by-step instructions below, you can remove Storm ransomware from the infected computer either manually or automatically. After removal back up all encrypted files and follow the data recovery guide to regain some files.

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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