Remove GhostCrypt Crypto Virus and Decrypt .Z81928819 Encrypted Files - How to, Technology and PC Security Forum | SensorsTechForum.com
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Remove GhostCrypt Crypto Virus and Decrypt .Z81928819 Encrypted Files

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shutterstock_278999798A virus-encoder has been detected by malware researchers to pretend to be CryptoLocker Ransomware and encrypt the user files with .Z81928819 alpha numerical file extension. The ransomware is named Ghost Crypt by malware researchers who also report that it creates a READ_THIS_FILE.txt ransom note which notifies the users that their files have been encrypted. Users who have become victims of this infections are advised to immediately remove it and decrypt their files using the tools provided in the instructions of this article.

Threat Summary

NameGhostCrypt
TypeRansomware
Short DescriptionThe ransomware encrypts files with the RSA cipher and asks a ransom for decryption.
SymptomsFiles are encrypted and become inaccessible. A ransom note with instructions for paying the ransom shows as a READ_THIS_FILE.txt file.
Distribution MethodSpam Emails, Email Attachments, File Sharing Networks.
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User ExperienceJoin our forum to Discuss GhostCrypt Crypto 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.

GhostCrypt Ransomware – Distribution

Similar to other Hidden Tear ransomware variants like, Sanction Ransomware and 8lock8 Ransomware To spread out into the open, GhostCrypt may use either malicious JavaScript files that may be automatically downloaded onto the user PC, or it may directly situate the executable via infected Microsoft Word or Excel macros. Such malicious scripts and macro files may be presented to the end user in several different ways:

  • Malicious web links posted as spam on forums and other places online.
  • Malicious URLs posted in e-mail messages that are fake and resemble a service the user is likely to click on.
  • Malicious e-mail attachments that may represent documents which the user is convinced to open.
  • Malicious executable files that may be uploaded as fake setups on shady websites or even crack fixes for games posted on torrent websites.

GhostCrypt Ransomware In Detail

Once the malicious executable of GhostCrypt invades your computer, it may perform several activities that are characteristic for most ransomware viruses:

Create files with different names in the following Windows file folders:

commonly used file names and folders

Modify different registry entries in the following registry subkey:

regedit-sensorstechforum

Execute the following command to delete shadow volume copies:

shadow-command-sensorstechforum

After these are done, GhostCrypt may begin to encrypt user files, appending the .Z81928819 file extension. Researchers at Bleeping Computer report that the virus scans for the following files to encode:

→ .asp, .aspx, .avi, .bk, .bmp, .css, .csv, .divx, .doc, .docx, .eml, .htm, .html, .index, .jpeg, .jpg, .lnk, .mdb, .mkv, .mov, .mp3, .mp4, .mpeg, .msg, .odt, .ogg .pdf, .php, .png, .ppt, .pptx, .psd, .rar, .sln, .sql, .txt, .wav, .wma, .wmv, .xls, .xlsx, .xml, .zip

After encryption, the ransomware lays the following ransom message In an READ_THIS_FILE.txt document:

read-this-ransom-note-sensorstechforum

GhostCrypt Ransomware – Conclusion, Removal and Decryption

The bottom line is that most likely this is another variant of the so – called Hidden Tear project – an open source project on which most variants are based. Researchers believe that this is the case and users are strongly advised not to pay the ransom.

If you want to remove GhostCrypt ransomware and completely restore your data, be advised that you are very lucky, because a decryptor has been created. Just make sure to follow the removal and decryption instructions posted after this article and you should be able to decrypt .Z81928819 encrypted files. For decryption instructions, it is recommended to check the step named, “Decrypt Files, Encrypted by GhostCrypt.”

Note! Your computer system may be affected by GhostCrypt and other threats.
Scan Your PC with SpyHunter
SpyHunter is a powerful malware removal tool designed to help users with in-depth system security analysis, detection and removal of threats such as GhostCrypt.
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.

To remove GhostCrypt follow these steps:

1. Boot Your PC In Safe Mode to isolate and remove GhostCrypt files and objects
2. Find files created by GhostCrypt on your PC

Use SpyHunter to scan for malware and unwanted programs

3. Scan for malware and unwanted programs with SpyHunter Anti-Malware Tool
4. Try to Restore files encrypted by GhostCrypt

Ventsislav Krastev

Ventsislav has been covering the latest malware, software and newest tech developments at SensorsTechForum for 3 years now. He started out as a network administrator. Having graduated Marketing as well, Ventsislav also has passion for discovery of new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management and then Network Administration, he found his passion within cybersecrurity and is a strong believer in basic education of every user towards online safety.

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