Remove CRYPTOMANIAC Ransomware and Restore .maniac Files

Remove CRYPTOMANIAC Ransomware and Restore .maniac Files

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cryptomaniac ransomware removal guide stf

This article provides removal instructions of CRYPTOMANIAC ransomware as well as alternative data recovery methods for .maniac files.

CRYPTOMANIAC ransomware encrypts predefined list of file types demanding $500 ransom payment in Bitcoins for their decryption. The threat marks all corrupted files with the specific .maniac extension. The .maniac files remain inaccessible by no program until a particular decryption steps are fulfilled. CRYPTOMANIAC crypto virus also drops a ransom note (Readme_to_recover_files) on all infected machines and displays it on the PC screen. The message reveals more details about the infection and provides instructions on the ransom payment.

Threat Summary

TypeRansomware, Cryptovirus
Short DescriptionAims to encrypt the files on the computers that have been infected by it.
SymptomsThe ransomware adds the .maniac file extension to the files encrypted by it.
Distribution MethodSpam Emails, Email Attachments, Executable files
Detection Tool See If Your System Has Been Affected by CRYPTOMANIAC


Malware Removal Tool

User ExperienceJoin Our Forum to Discuss CRYPTOMANIAC.
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.

CRYPTOMANIAC Ransomware – Delivery Approaches

The CRYPTOMANIAC ransomware infects target systems via a file called as analyses reveal. Various attack techniques may be utilized for the distribution of this file. The most preferred one is believed to be spam email campaigns with links to corrupted web pages in the text body, malicious file attachments or both. The provided in-text links point to corrupted web pages that are set to download the malicious ransomware payload automatically. While the file attachments usually contain infected ZIP, PDF, DOC, JPG and other commonly used file formats that store information. In this case, the infection starts with just one click that opens the malicious file attachment on the computer which grants the ransomware payload access to the system. Then everything spun out of control. The same malevolent components used for CRYPTOMANIAC ransomware delivery may be spread via other channels like social media, file sharing services, online advertisements and potentially unwanted programs.

CRYPTOMANIAC Ransomware – More Information

CRYPTOMANIAC ransomware infection begins when file starts running on the system. This file is believed to manage the attack, so it initiates a sequence of malicious operations to ensure the persistent presence of the ransomware on the system.

First, it needs to establish all necessary files so for the purpose it may create or drop additional malicious files from its servers. Then it terminates various processes that allow it to plague essential system settings and remain unnoticed by the active security means. Some files associated with CRYPTOMANIAC threat may be situated in the following folders:

  • %Temp%
  • %Windows%
  • %AppData%
  • %Roaming%
  • %User’s Profile%

As CRYPTOMANIAC ransomware needs to display its ransom note in the end of the attack it is likely to modify the values in Run and RunOnce Windows registry keys:

→ HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run

These keys control all currently running processes as well as all processes that should execute automatically on each Windows operating system start. The practice of Windows registry keys modification is utilized for two reasons. The first one is that the ransomware needs to be persistent so it should start each time the system is loaded. The second one is that it needs to display its ransom note on the screen of the infected PC at the end of attack so hackers could extort a ransom payment from victims.

The ransom note is dropped in two files of different types, but both have the same content. The files are named Readme_to_recover_files and may be dropped on the Desktop. All that the ransom message reads is:

All your files have been encrypted by CRYPTOMANIAC!
All your files have been encrypted due to a security problem with your PC.
If you want to restore them, run the REQUEST RECOVERY application that will be automatically downloaded by CRYPTOMANIAC, if it is not automatically downloaded visit this link
You have to pay for decryption in Bitcoins.
The price is usually $500 worth of Bitcoin.
After payment you will be mailed the decryption tool that will decrypt all your files.
Free decryption as guarantee before paying you can get it from the REQUEST RECOVERY tool.
The free decryption tool only decrypts 10 files of the following extensions
How to obtain Bitcoins.
The easiest way to buy bitcoins is LocalBitcoins site.
You have to register, click ‘Buy bitcoins”, and select the seller by payment method and price, https/
Also you can find other places to buy Bitcoins and beginners guide here: http/
Do not attempt to use a file recovery software like recuva or windows recovery, as this attempt is useless and futile as CRYPTOMANIAC destroys windows shadow volume making it unrecoverable.
Do not rename encrypted files.
Do not try to decrypt your data using thud party software, it may cause permanent data loss.
Decryption of your files with the help of third parties may cause increased price (they add their fee to ours) or you can become a victim of a scam.
Please note that 250 of your personal files will be permanently deleted when the program resets either by terminating it or by a system reboot and 25 files will be permanently deleted every 60 minutes, so pay fast to reduce amount of files that will be permanently lost
Extra links to download REQUEST RECOVERY tool incase the one above is not available.

cryptomaniac ransomware ransom note Readme_to_recover_files.html stf

It is written in a way that makes you feel urgency, so you are more prone to act immediately and pay criminals the ransom. However, our advice is to disbelieve what they state and promise and avoid any negotiations with them because this may result in financial losses and furthermore a risk of new malware intrusions.

CRYPTOMANIAC Ransomware – Encryption Process

The primary aim of data locker ransomware like CRYPTOMANIAC is to locate all files that belong to its predefined target data list so it can utilize strong cipher algorithm to all of them. Once the encryption ends, all corrupted files have appended the specific extension .maniac and remain unusable until the appropriate decryptor is used.

As most ransomware of this type CRYPTOMANIAC is believed to encrypt files that store:

  • Music
  • Videos
  • Documents
  • Archives
  • Databases
  • Projects
  • Pictures
  • And more

Note! In step “2. Restore files encrypted by CRYPTOMANIAC” from the removal instructions below you can find alternative data recovery methods that may be efficient for the restore of .maniac files without the need to pay the ransom to crooks.

Remove CRYPTOMANIAC Ransomware and Restore .maniac Files

CRYPTOMANIAC ransomware removal is a necessary step if you want to regain the security of your computer and data. For the purpose, you can follow the step-by-step removal guide provided below. It will help you to get rid of all malicious files and objects associated with CRYPTOMANIAC ransomware. There are two methods for the CRYPTOMANIAC removal, and the first one is the manual. Once you are done with its steps, it is strongly recommended to continue with the automatic one as it will undoubtedly identify all ransomware files so you can delete them with a few mouse clicks.

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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