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

removal by Olivia Morelli - - | Type: Ransomware

Main characteristics of the BitStak ransomware:

Even though BitStak virus belongs to the family of ransomware viruses which are often deemed as one the most dangerous viruses on the web, this particular cyber threat significantly falls behind compared to more sophisticated creations such as Cerber or SamSam ransomware. Moreover, the virus experts have found that the infection features a rather amateur script and managed to decrypt the virus within hours of its initial release. The decryption tool is now freely available online. Despite the poor programming, the virus seems to be working similarly to other ransomware programs. It blocks the access to the user’s personal data by encrypting it with a very intricate algorithm and then asks the victim to pay up for the ability to decrypt them. Luckily, with the already mentioned decryption tool, the locked files can be recovered without having to pay a penny to the ransomware creators. What is left to do is to remove BitStak from your computer. You can do that using trustworthy antivirus software such as Reimage.

An illustration of BitStak ransomware virus ransom note and decryptor

Overall, this ransomware is considered to be a low-end program. However, it can sure give you a scare when it takes over your computer. It will lock your personal data, such as the Office documents, pictures, video material, etc. and once the encryption process is done, appends .bitstak extension to the files. And not only that. The virus will also replace the filenames and folder titles with a jumble of letters so you will not be able to identify what data was encrypted. Another interesting fact about this program is that it requires a considerably small ransom for the file decryption. While other ransomware usually demand around 1 BitCoin for the file recovery key, BitStak only asks for 0.07 (~$45). However, regardless of the small ransom, we do not recommend paying up because it might only motivate the novice hacker to continue working on some more destructive creations.

What are the typical ways ransomware infect computers?

BitStak ransomware, or any other viruses, take over computers if their owners act carelessly online. Such reckless behaviour may include clicking on random links, downloading unknown software as well as succumbing to random offers or lottery propositions online. These are among the most common places ransomware viruses may hide. Also, you can find one of these nasty infections in your email, disguised as an invoice, speeding ticket, online purchase information or other important-looking correspondence. Antivirus utilities are usually successful at determining unsafe downloads but sometimes a new version of the virus or some obfuscated infection can bypass this protection without being detected. That is why you need to be careful with your browsing and learn how to differentiate suspicious content from the legitimate one.

How can I clean my PC from BitStak?

As we have already pointed out, BitStak can be easily decrypted. However, it is important to note that after you recover your files, you should remove BitStak from your computer immediately. Even though its is a low-end program, it is still malicious, thus keeping it installed on the system is unadvisable. It is also not recommended deleting the virus manually- this may cause unnecessary damage to your computer. What you should do, though, is to scan your device with an antivirus software which will ensure a quick and safe BitStak removal. You should also remember that software has to be updated to the latest version available for it to perform properly.

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

If you decided to select another anti-spyware, uninstall Reimage from your computer.
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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 BitStak virus, follow these steps:

Remove BitStak using Safe Mode with Networking

  • 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 BitStak

    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 BitStak removal.

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

Remove BitStak using System Restore

  • 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 BitStak. 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 BitStak removal is performed successfully.

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

About the author

Olivia Morelli
Olivia Morelli - Ransomware analyst

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