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Bizer ransomware. How to remove? (Uninstall guide)

removal by Gabriel E. Hall - - | Type: Ransomware

Bizer ransomware is a malicious cryptovirus developed to encrypt data and demand ransom

Bizer ransomware
Bizer file extension virus is crypto malware that belongs to Dharma ransomware family of ransom-demanding cyber threats.
 

Bizer ransomware is a cryptovirus designed to lock users' files and mark them with .bizer file appendix. The full file extension pattern of this particular threat looks similar to previous Dharma ransomware versions. Most of the previous variants are using AES encryption algorithm in the data-locking process.[1] However, it is still unknown when discussing this particular version. When targeted files get encoded, this virus places .[silver@decryption.biz].bizer marker at the end. Often this pattern may also include victims' identification number before the contact email. Also, when photos, documents, audio files or archives get this file extension, this virus generates two ransom notes – Info.hta and FILES ENCRYPTED.txt. In the text file, you can see the contact email, and HTML window reveals payment instructions. 

Name Bizer ransomware
Type  Cryptovirus
Related  Dharma ransomware
File extension  .bizer
Ransom notes  Info.hta and FILES ENCRYPTED.txt
Main executable XMLViewer.exe
Encryption method  AES
Distribution Spam email attachments
Elimination Employ Malwarebytes Malwarebytes for proper Bizer ransomware removal

Bizer file extension virus is the new variant in Dharma ransomware family that encrypts users files on the targeted system and demands to pay the ransom for the alleged decryption key. This is the main cryptovirus strategy that helps virus developers to gain profit from users directly.[2] 

Cybercriminals that developed Bizer ransomware and other versions of the same threat use army-grade algorithms and changes the original code of the file to make it unreadable. The victim cannot use the encrypted file, and the only solution is to recover important documents using data recovery software or replace files with copies from the backup.

Often malware researchers develop decryption tools for these programs and help people to get their files back. However, Bizer ransomware is not decryptable as well as previous versions in the family. This is why you should focus on virus removal first. It might be dangerous to recover files on the device that is still infected with malware because ransomware can perform it second encryption. 

So make sure to remove Bizer ransomware from the device entirely and then use your data backups or cloud services to restore data affected by this virus. If you need more help, we have a few suggestions for data recovery software down below. Also, we recommend using anti-malware programs in virus removal and PC repair tools like Reimage to eliminate virus damage before anything else.

Since Dharma ransomware is a threat that was developed and released back in 2016, we know that one of the files placed on the system contains payment instructions and places to purchase cryptocurrency. However, the second file that Bizer ransomware generates after encryption is the ransom note with the contacts information:

all your data has been locked us
You want to return?
write email silver@decryption.biz

Remember that paying for these Bizer ransomware developers shouldn't be considered. Various experts[3] note that less than a half of ransom paying victims get their files back. Keeping contact with malicious actors may lead to permanent data or money loss.

Make sure to perform Bizer ransomware removal as soon as possible. For that, we can suggest entering the Safe Mode with Networking and then scanning the system using anti-malware program. Trustworthy tools designed to fight malware can indicate all possible threats and terminate malicious processes.

Payload dropper that initiates malicious infection can be found on spam email

The primary technique used to distribute ransomware is malicious script hidden in common files. This script contains ransomware payload dropper that initiates direct installation of malware. You may directly open the executable file on the system that is attached to the email itself or download and open the maliciously infected file that further infiltrates the system with malware.

There are a few malware categories that are designed to spread ransomware on the targeted systems. Trojans or other malware gets on your system from infected files too and then starts their job by infiltrating the malicious ransomware payload on the machine. 

Unfortunately, these emails may look legitimate and can contain safe looking files in common formats like EXE, PDF, TXT or even DOC. Malicious actors misuse known company names or services to hide the real purpose of the email so don't be quick to open the email that is sent from PayPal or FedEx, especially when you don't use the service.

Remove all Bizer ransomware virus traces using professional tools

If you want to use your device again, you need to remove Bizer ransomware from the system altogether. We can recommend using reputable anti-malware programs and terminate the malware with all related files or programs. You can use our suggestions or employ anti-malware of your choice.

However, remember to check for virus damage and related traces after Bizer ransomware removal. We can trust and recommend Reimage, Malwarebytes MalwarebytesCombo Cleaner, or Plumbytes Anti-MalwareMalwarebytes Malwarebytes. We also have a few additional tips for you down below. For example, ransomware can disable some functions of security software, so rebooting the device in Safe Mode can assure that the tool works properly. 

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Compatible with Microsoft Windows Supported versions Compatible with OS X Supported versions
What to do if failed?
If you failed to remove virus damage using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to remove virus damage. Free scanner allows you to check whether your PC is infected or not. If you need to remove malware, you have to purchase the licensed version of Reimage malware removal tool.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Malwarebytes.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Combo Cleaner.

To remove Bizer virus, follow these steps:

Remove Bizer using Safe Mode with Networking

Enter the Safe Mode with Networking before the full system scan, so your anti-malware program can work properly in Bizer ransomware removal:

  • Step 1: Reboot your computer to Safe Mode with Networking

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Safe Mode with Networking from the list Select 'Safe Mode with Networking'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Networking in Startup Settings window. Select 'Enable Safe Mode with Networking'
  • Step 2: Remove Bizer

    Log in to your infected account and start the browser. Download Reimage or other legitimate anti-spyware program. Update it before a full system scan and remove malicious files that belong to your ransomware and complete Bizer removal.

If your ransomware is blocking Safe Mode with Networking, try further method.

Remove Bizer using System Restore

You may also benefit from System Restore feature because it allows getting back to a previous state of the system before the virus:

  • Step 1: Reboot your computer to Safe Mode with Command Prompt

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Command Prompt from the list Select 'Safe Mode with Command Prompt'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Command Prompt in Startup Settings window. Select 'Enable Safe Mode with Command Prompt'
  • Step 2: Restore your system files and settings
    1. Once the Command Prompt window shows up, enter cd restore and click Enter. Enter 'cd restore' without quotes and press 'Enter'
    2. Now type rstrui.exe and press Enter again.. Enter 'rstrui.exe' without quotes and press 'Enter'
    3. When a new window shows up, click Next and select your restore point that is prior the infiltration of Bizer. After doing that, click Next. When 'System Restore' window shows up, select 'Next' Select your restore point and click 'Next'
    4. Now click Yes to start system restore. Click 'Yes' and start system restore
    Once you restore your system to a previous date, download and scan your computer with Reimage and make sure that Bizer removal is performed successfully.

Bonus: Recover your data

Guide which is presented above is supposed to help you remove Bizer from your computer. To recover your encrypted files, we recommend using a detailed guide prepared by 2-spyware.com security experts.

If your files are encrypted by Bizer, you can use several methods to restore them:

When you have no file backups, Data Recovery Pro comes for help

If you accidentally deleted your documents or photos, Data Recovery Pro can also help to restore those files

  • Download Data Recovery Pro;
  • Follow the steps of Data Recovery Setup and install the program on your computer;
  • Launch it and scan your computer for files encrypted by Bizer ransomware;
  • Restore them.

Windows Previous Versions feature is useful in data recovery

However, this feature can help for your lost data if System Restore was enabled before

  • Find an encrypted file you need to restore and right-click on it;
  • Select “Properties” and go to “Previous versions” tab;
  • Here, check each of available copies of the file in “Folder versions”. You should select the version you want to recover and click “Restore”.

Try ShadowExplorer as an alternative to data backups

When Shadow Volume Copies remain untouched, you can employ ShadowExplorer and recover your encrypted data

  • Download Shadow Explorer (http://shadowexplorer.com/);
  • Follow a Shadow Explorer Setup Wizard and install this application on your computer;
  • Launch the program and go through the drop down menu on the top left corner to select the disk of your encrypted data. Check what folders are there;
  • Right-click on the folder you want to restore and select “Export”. You can also select where you want it to be stored.

There is no decryption tool developed for Bizer ransomware

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from Bizer and other ransomwares, use a reputable anti-spyware, such as Reimage, Malwarebytes MalwarebytesCombo Cleaner or Plumbytes Anti-MalwareMalwarebytes Malwarebytes

About the author

Gabriel E. Hall
Gabriel E. Hall - Passionate web researcher

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