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ViiperWare ransomware virus. How to remove? (Uninstall guide)

removal by Olivia Morelli - - | Type: Ransomware
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Viiperware ransomware spreads via illegal downloads, infects the computer to extort the victim

ViiperWare ransomware attack in Windows computer

Viiperware virus is a malicious program written using HiddenTear's source code[1]. It encodes user’s data and demands to pay the ransom. The encryption method used to disable file access is similar to the one used to encrypt military-grade secrets. Thus, only the person who created the virus can provide a decryption key for recovery of .viiper extension files. Helpless victims might agree to pay a €20 ransom, but we strongly recommend you NOT to do so![2]

Once the malware infiltrates on your computer, it starts data encryption and creates a new window with further details. Cybercriminals explain the situation using 3-step instructions:

  1. Firstly warns the victim that s/he is not able to access their files anymore;
  2. Secondly, informs that there is a way to recover their data – pay the ransom;
  3. Finally, explains that user’s computer most probably got infected by the illegal downloads or rogue ads;

The amount of money required for the decryption key is also mentioned below. If you have never encountered this malicious ransomware, it can be recognized by the extension marks .viiper added at the end of the file-names.

Even though the malware encrypts only one folder, researchers believe that this ransomware will be updated soon and corrupt all files on the computer in the future.

Keep in mind that criminals should not be trusted, and there are no guarantees that after paying the ransom you will not be asked for even more money. Therefore, if you decide to spend 20 Euros and transfer them to criminals in Bitcoin, you might simply waste a lot of time, lose your money and never receive the decryption key.

Therefore, if Viiperware virus attacks your computer, you should better focus on the elimination of it. We strongly recommend using Reimage security software which will quickly detect the infected files and perform a secure Viiperware removal. Later, you will be able to try to recover most of your data from back-ups stored in the cloud.

Download applications only from authorized developers

As the hackers said it themselves – the malware is distributed through illegal downloads from less than reliable sources or intentionally spread via spam emails.

To avoid the attack, you should always keep your software regularly updated. Software updates are customized by technicians who eliminate possible gaps that allow hackers to circumvent the system. In addition, you should also still follow safe browsing rules. If you are interested, you can find some of them on VirusActivity.com site[3].

Besides, never open attachments that are sent by unknown people. They might contain malicious programs and trigger automatic installations of them. For example, even if your friend sends you a message such as “lol, is that your new profile pic?”, you should contact him or her again and make sure that your friend’s account is not hacked.

Also, we advise you to avoid clicking on intrusive ads that redirect to suspicious websites. Usually, they promote scams or malicious programs that may lead to high-risk computer infections. We agree that the appearance of those advertisements is attractive, yet it is hard to determine the legitimacy of the content they promote.

Therefore, be aware of the consequences and protect valuable information by using a trustworthy security system and always back-up your files.

Tips to remove Viiper ransomware

If you have recognized that the defined malware variant infiltrated into your computer, you have two options — remove Viiperware virus automatically or manually.

We strongly recommend choosing the automatic elimination using a verified security software since you are not aware of other threads that your computer may be compromised with. As a result, you will avoid doing even more damage to your files.

However, if you opt for manual Viiperware removal, our team has prepared an extentive guide provided below.

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What to do if failed?
If you failed to remove infection using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to uninstall ViiperWare ransomware virus. 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.

More information about this program can be found in Reimage review.

More information about this program can be found in Reimage review.

Manual ViiperWare virus Removal Guide:

Remove ViiperWare using Safe Mode with Networking

Reimage is a tool to detect malware.
You need to purchase Full version to remove infections.
More information about Reimage.

To uninstall the ransomware which is based on HiddenTear, use the guidelines provided below the article.

  • 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 ViiperWare

    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 ViiperWare removal.

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

Remove ViiperWare using System Restore

Reimage is a tool to detect malware.
You need to purchase Full version to remove infections.
More information about Reimage.

  • 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 ViiperWare. 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 ViiperWare removal is performed successfully.

Bonus: Recover your data

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

If you cannot recover your files from a backup, you can try one of the listed options.

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

Data Recovery Pro help

If you lost your files due to ViiperWare attack, allow Data Recovery Pro to try and restore your files marked with .viiper extensions.

Use HiddenTear decryptor

HiddenTear decryptor can be downloaded from No More Ransom website. Use it to restore files locked by this malicious program and make sure you take proper actions to prevent similar malware attacks in the future.

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from ViiperWare and other ransomwares, use a reputable anti-spyware, such as Reimage, Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus or Malwarebytes Anti Malware

About the author

Olivia Morelli
Olivia Morelli - Ransomware analyst

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