.paycoin Files Virus (Jigsaw) - How to Remove It
THREAT REMOVAL

.paycoin Files Virus (Jigsaw) – How to Remove It

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Jigsaw paycoin ransomware ransom wallpaper sensorstechforum guide

In this article, you will find more information about .paycoin files virus as well as a step-by-step guide on how to remove malicious files from an infected system and how to potentially recover files encrypted by this ransomware.

The so-called .paycoin files virus has been identified as an iteration of Jigsaw ransomware. The main purpose of the threat is to encode valuable files so it can extort a ransom payment. For the purpose, it is designed to compromise computer systems and transform the code of target files with the help of a sophisticated cipher algorithm. Its name is a derivative of the distinctive extension it appends to each encrypted file – .paycoin. Upon encryption, all corrupted files remain inaccessible until the use of an efficient data recovery tool.

Threat Summary

Name.paycoin Files Virus
TypeRansomware, Cryptovirus
Short DescriptionA data locker ransomware that utilizes strong cihper algorithm to encrypt valuable files stored on the infected computer and then demands a ransom for their decryption.
SymptomsImportant files are locked and renamed with .paycoin extension. Ransom message appears as desktop wallpaper.
Distribution MethodSpam Emails, Email Attachments
Detection Tool See If Your System Has Been Affected by .paycoin Files Virus

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Malware Removal Tool

User ExperienceJoin Our Forum to Discuss .paycoin Files Virus.
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.

.paycoin Files Virus – Distribution

For the delivery of .paycoin files virus payload cybercriminals are likely to utilize techniques such as email spam campaigns, software cracks, fake software update notifications, freeware with compromised installers and malicious web links.

All these techniques aim to trick you into executing the malicious ransomware payload on your device without noticing its presence. The main spread channel is considered to be malspam as it is a convenient way for hackers to reach a large number of online users with several massive attack campaigns. Campaigns of this kind usually attempt to mislead you that an email you received is sent by a representative of a legitimate company or governmental institution. The traits of such emails are file attachments, clickable hyperlinks or buttons and limited time for interaction with the provided information.

With the help of malicious scripts embedded in the code of various web pages the ransomware infection code may be triggered automatically after a visit of one of these pages. As of the URLs of such pages they may be spread across all popular social media channels, various forums, and websites for free programs.

.paycoin Files Virus – Overview

Infection with the so-called .paycoin files virus begins when its activation file is started on the system. The purpose of this file is to initiate various malicious activities that compromise essential components and their settings. Since it may not be enough for the completion of the attack, the ransomware could create or drop additional malicious files.

As their locations, .paycoin could choose some of the following system folders:

  • %AppData%
  • %Local%
  • %LocalLow%
  • %Roaming%
  • %Temp%

Once the threat establishes all needed files, it starts executing them in a predefined order. By doing this, .paycoin files virus effectively manipulates system functionalities and eventually evades detection.

Analyses of .paycoin reveal that it is configured to manipulate the functionalities of some registry keys stored by the Registry Editor. These keys are Run and RunOnce and their directories are:

→ 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

The reason why .paycoin ransomware plagues these two registry keys is their ability to auto-execute all processes listed under them. So by adding its malicious values under these keys,.paycoin infection files load along with all essential files that support the sooth system performance every next time you start the infected operating system.

In addition, .paycoin files virus is likely to change your preferred desktop wallpaper to the image presented below:

Jigsaw paycoin ransomware ransom wallpaper sensorstechforum guide

This image helps hackers present you the following quote:

She was like that cut on the roof of your mouth that would go away if you’d stop tonguing it, but you can’t.

And when the ransomware completes all infection stages, it drops a file that contains a ransom message. With this message, hackers attempt to trick you into transferring them a ransom fee in cryptocurrency for data decryption. Beware that this action does not guarantee the recovery of .paycoin files so you should better avoid it.

.paycoin Files Virus – Encryption Process

The data encryption stage is the main one. For it .paycoin crypto virus utilizes a built-in cipher module which is set to transform parts of the original code of target files with the help of AES algorithm. Following the occurance of these changes you cannot access data stored by corrupted files and they are all marked with the specific extension .paycoin. Like previous iterations this Jigsaw variant may be set to locate and encrypt all of the following types of files:

  • Audio files
  • Video files
  • Document files
  • Image files
  • Backup files
  • Banking credentials, etc

The good news is that security researchers have managed to crack the code of Jigsaw ransomware and released a free decryption tool. So after you delete all malicious files you can check our article on

When JigSaw ransomware was initially detected, it locked the screen of infected users? computers displaying a countdown timer. The ransomware scans for and encrypts over 120 types of files on the compromised computers it has infected. Users were left with...Read more
how to decrypt files encrypted by Jigsaw Ransomware with JigSaw decrypter

Remove .paycoin Files Virus

The so-called .paycoin files virus is a threat with highly complex code designed to corrupt both system settings and valuable data. So the only way to use your infected system in a secure manner again is to remove all malicious files and objects created by the ransomware. For the purpose, you could use our removal guide that reveals how to clean and secure your system step by step. In addition, in the guide, you will find several alternative data recovery approaches that may be helpful in attempting to restore files encrypted by Jigsaw .paycoin ransomware. We remind you to back up all encrypted files to an external drive before the recovery process.

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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