Remove .petra File Virus and Retrieve Encrypted Files

5 Nov

How to delete .petra File Virus permanently

.petra File Virus is a variant of cyborg ransomware.  It attacks the targeted PC secretly and starts to encrypt the targeted files and programs. On every encrypted file, it adds .petra file extension and they becomes totally inaccessible for you. It drops a ransom note named as Cyborg_DECRYPT.txt and wants you to follow the instruction provided on it. Basically they demands to pay $300 USD in Bitcoin virtual currency to the provided wallet.

On most occasion, the files and payloads of .petra File Virus comes inside the work-station through spam email messages. They contain attachment with them which are malware payloads. The attached files are presented as an invoice, receipts, fake documents etc. Once you download and open the attached file, the ransomware gets active.

The other possible methods of malware circulation of peer-to-peer file sharing networks such as torrent and freeware and shareware downloads from untrusted sources. After settling down, it does a quick scan of PC hard-disk in search of the files and programs that it can encrypt. Some of the files that it can encrypt are videos, images, audios, archives, database files, documents and so on. These encrypted files are no longer accessible for you. It uses a powerful encryption cipher and generates a decryption key that is present in the remote server owned by the cyber-criminals.

The Ransom note of .petra File Virus says:


Don’t worry, you can return all your files!

All your files like documents, photos, databases and other important are encrypted

What guarantees do we give to you?

You can send one of your encrypted file and we decrypt it for free.

You must follow these steps To decrypt your files :

1) Send $300 bitcoin to wallet :9e3dde3fad796f4eb15962b74fb2e55fed7

2) write on our e-mail

Your personal ID”

As you can see, you are demanded to pay certain money in exchange of the ransom key. However, you should not pay money to them in any condition. Paying money to cyber-criminals is wastage. They don’t provide any decryption key and rather use the paid money for making other severe malware infection.

How to Recover the Encrypted files:

If you have the backup files in some external storage device then you don’t have to worry much. Just remove the malware from the PC and use the backup files. However, if backup is not present then you have to use a third-party data recovery tool. Be sure that all the related items of .petra File Virus is removed from the work-station otherwise it will encrypt the recovered files once again.

Remove .petra File Virus using powerful Windows Scanner
Download Automatic Removal Tool to eliminate infectious threat

After the infection is completely removed out of your compromised system, you may further process the encrypted file recovery either with your own lately created backup file. Or choose a trusted data recovery program to restore your data. Download a suggested recovery tool.

Now, if you don’t want to face all these functions later inside the PC with .petra File Virus then you were highly suggested to delete .petra File Virus by installing expert’s anti-malware tool inside the PC.

So, what is anti-malware tool?

Anti-malware tool (SpyHunter 4) is a powerful real time protection programs for the Windows Operating System which has been created by Enigma Software Group. It is fully capable to protect the Computer against threat like .petra File Virus. However, you can also remove this threat by manual process but it is little bit complexly. Besides that, the manual process requires Computer skill. That means, you need to put some extra effort on your PC in order to remove .petra File Virus. As well as, you should have ability to revert back any wrong steps which you have taken in manual process. Otherwise the PC might be goes even worst conditions. On the other hand with the anti-malware tool you don’t requires any extra Computer skill or effort. The Spy Hunter has been designed between experts and novice Users level. Thus, you can easily operate without any worries of harm your Computer. Therefore, in my opinion I would like to prefer anti-malware tool in order to uninstall .petra File Virus from Computer.

Complete tutorial to delete .petra File Virus using automatic removal method


  1. As you will run anti-malware tool, you will see two options located in middle of screen. Please click on **Scan Computer Now** option in order to proceed to full System scan.step-1
  2. You can also see the error result while scanning of PC.step-2
  3. If you want to scan any particular volume drive or removal pen drives then you can use this Custom Scan option.step-3
  4. Spyware Helpdesk will help you in solving the PC’s errors online (just like Customer services).step-4
  5. System Guard, this functions will helps you to keep your Computer safe from offline threat.step-5
  6. By using Network Sentry Option your browser will safe from online threat and your online activities will be protected by this anti-malware tool.step-6
  7. Al last, by enabling the Scan Scheduler function, your Computer will automatically keep scanned timely by this tool and notifies you if this tool caught any error.step-7

How to get rid of .petra File Virus manually?

Eliminate .petra File Virus by going through Control Panel:

  1. Click on the Start menu icon located on below left of screen (Right click for Windows 8 and 8.1 Users).control-panel-1
  1. Select Control Panel option > Programs.control-panel-2
  1. The Programs which were installed on PC were located in this list.control-panel-3
  1. Please find out .petra File Virus as well as their associated files and click on it to uninstall it.control-panel-4

Remove .petra File Virus entries from Windows Registry box:

  1. In order to go to the Windows registry box, please click on Win logo button+ R key together.manual1
  1. Type **regedit** in run dialog box. (If it asks your permission to open this window then click on Yes button)manual2
  1. Registry Box will suddenly open up please go through every location given below in this window in order to find out and delete .petra File Virus.manual3
  • HKLM\SOFTWARE\Classes\AppID\ .petra File Virus.exe
    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Extensions
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer\Toolbar
  • HKEY_LOCAL_MACHINE\SOFTWARE\Google\Chrome\Extensions
  • HKEY_LOCAL_MACHINE\SOFTWARE\Mozilla\Firefox\Extensions
  • HKEY_CURRENT_USER\Software\Opera Software
    Explorer\Main\Start Page Redirect=
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\virus name
  • HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Winlogon Shell = %AppData%\IDP.ARES.Generic.exe
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run Random
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Random.

Method to prevent .petra File Virus and other similar threats in future

After all, the single biggest factor in preventing a threat like .petra File Virus infection is lies upon you. Even you already install anti-malware and you scan your Computer timely, if you don’t be carefully towards your PC while using it. It is obviously to get infected by .petra File Virus again. Therefore, you just need vigilance to avoid being affected by threat in future and n some tips and suggestion mention here will hopefully prevent your Computer from infection in coming time.

  • Keep your anti-malware updated.
  • Use strong passwords for valuable information to prevent from hacking.
  • Disable auto-run functions for downloaded files and injected drives.
  • Block auto update from network inside System.
  • Leave it out unknown recipient email attachments.
  • Avoid connecting to open source network like Wi-Fi.
  • Use hardware based firewall in order to protect your System against infections.
  • Deploy DNS protection from automatically get modified.
  • Use ad blocker extension and software in order to surf without getting any additional commercial ads and junk notifications.
  • Do not use any untrusted or unofficial domain for surfing and downloading files inside browser.

Click here to Download Automatic Removal Tool to Uninstall .petra File Virus

After the infection is completely removed out of your compromised system, you may further process the encrypted file recovery either with your own lately created backup file. Or choose a trusted data recovery program to restore your data. Download a suggested recovery tool.

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