How to remove .Btos file virus

Is .Btos file virus a serious threat

.Btos file virus ransomware is a truly dangerous infection because it’ll lock files. Ransomware is considered to be highly dangerous malicious software because of the consequences the threat might have. Not all files end up being encrypted, as the ransomware scans for specific files. People usually find that photos, videos and documents will be targeted due to their value to people. You won’t be able to open files so easily, you will need to unlock them using a special key, which is in the hands of the people behind this malware. We should note that people researching malicious software sometimes release free decryption applications, if they can crack the ransomware. We cannot be sure a decryption program will be released but that is your best option if backup is not a choice for you.

If you’re yet to notice it, a ransom note should be available on your desktop or among encrypted files in folders. If it has not been clear enough, the note will clarify that your files have been encrypted, and offer a decryption program for a price. While there might be no other way to get your files back, giving into the requests isn’t a great idea. It is not difficult to imagine cyber crooks simply taking your money and not providing anything in return. In addition, that payment is likely to go towards supporting other malicious software projects. Seeing as you’re considering paying cyber criminals, perhaps purchasing backup would be better. Simply terminate .Btos file virus if you had made copies of your files.

We will explain the distribution methods in more detail later on but in short you probably fell for a fake update or opened a malicious spam email. Those methods are very common among cyber criminals.

Ransomware spread methods

The most probable way you got the infection was via spam email or bogus program updates. If spam email was how the ransomware got in, you’ll have to learn how to identify malicious spam email. Always attentively check the email before you open an attachment. So as to make you less careful, criminals will pretend to be from companies you’re likely to be familiar with. For example, senders claim to be from Amazon or eBay, with the email saying that a receipt for a purchase has been added as an attachment. Whoever they say to be, you should not have a hard time checking that. Research the company emailing you, check the email addresses that belong to them and see if your sender is legitimate. What we also suggest you use is a trustworthy tool to scan the added file before you open it.

If it was not spam email, fake program updates might be accountable. The false software updates can be encountered when you visit questionable pages. Sometimes, you can encounter those update offers in ad or banner form and it may look pretty credible. Nevertheless, because updates are never pushed this way, users who know how updates work will simply ignore them. Never download updates or programs from sources like advertisements. When your software needs to be updated, you’ll either be alerted about it through the program, or it will update itself automatically.

What does this malware do

In case you haven’t noticed yet, your files are now locked. While you may not have necessarily noticed this happening, but the encryption process started soon after you opened the infected file. Affected files will now have a file extension attached to them, which will help you differentiate between locked files. Files have been locked via a complicated encryption algorithm so don’t waste your time trying to open them. Information about how your files can be restored will be given in the ransom note. Ransom notes usually follow a certain pattern, include threats about forever lost files and explain how to restore them by making a payment. While hackers may be right when they say that file decryption without a decryption tool isn’t possible, paying the ransom isn’t recommended. Trusting people who locked your files in the first place to keep their end of the deal isn’t exactly the best decision. In addition, the criminals could target you specifically in their future malware attacks, knowing that you would be willing to pay.

It is possible you could’ve uploaded at least some of your valuable files somewhere, so try to remember if that could be the case. In the future, malicious software researchers might release a decryptor so backup your encrypted files. It is necessary to uninstall .Btos file virus whichever option you pick.

Having copies of your files is critical, so begin regular backups. If you don’t, you might endangering your files again. There are various backup options available, some more pricey than others but if you have valuable files it is worth purchasing one.

How to eliminate .Btos file virus

If you aren’t knowledgeable about computers, we cannot recommend manual elimination. Acquire and have malware removal program to take care of the ransomware because otherwise, you may cause additional harm. The ransomware might prevent you from successfully working the malicious software removal program, in which case you need to boot your device and boot it in Safe Mode. After you launch malicious software removal program in Safe Mode, you ought to be able to successfully delete .Btos file virus. Removing the malware won’t restore files, however.

Download Removal Toolto remove .Btos file virus

* WiperSoft scanner, published on this site, is intended to be used only as a detection tool. More info on WiperSoft. To use the removal functionality, you will need to purchase the full version of WiperSoft. If you wish to uninstall WiperSoft, click here.

Learn how to remove .Btos file virus from your computer

Step 1. Remove .Btos file virus using Safe Mode with Networking

1.1) Reboot your computer with Safe Mode with Networking.

Windows 7/Vista/XP
1. Start → Shutdown → Restart → OK. 2. When the restart occurs, press F8. Keep pressing until you see the Advanced Boot Options window appear. winxp-safemode How to remove .Btos file virus 3. Pick Safe Mode with Networking.
Windows 8/10
1. On the Windows login screen, press the Power button. Press and hold the Shift key. Click Restart. 2. Troubleshoot → Advanced options → Startup Settings → Restart. win10-safemode How to remove .Btos file virus 3. Select Enable Safe Mode with Networking.

1.2) Remove .Btos file virus.

Once the computer is launched in Safe Mode, open your browser and download anti-malware software of your preference. Scan your computer so that the anti-malware can locate the malicious files. Allow it to delete them. If you are unable to access Safe Mode with Networking, proceed to the instructions below.

Step 2. Remove .Btos file virus using System Restore

2.1) Reboot your computer with Safe Mode with Command Prompt.

Windows 7/Vista/XP
1. Start → Shutdown → Restart → OK. 2. When the restart occurs, press F8. Keep pressing until you see the Advanced Boot Options window appear. winxp-safemode How to remove .Btos file virus 3. Pick Safe Mode with Command Prompt.
Windows 8/10
1. On the Windows login screen, press the Power button. Press and hold the Shift key. Click Restart. 2. Troubleshoot → Advanced options → Startup Settings → Restart. win10-safemode2 How to remove .Btos file virus 3. Select Enable Safe Mode with Command Prompt.

2.2) Restore system files and settings.

1. Enter cd restore when the Command Prompt window appears. Press Enter. 2. Type rstrui.exe and press Enter. 3. When the System Restore Window pop-ups, click Next. 4. Select the restore point and click Next. windows-system-restore How to remove .Btos file virus 5. Click Yes on the warning window that appears. When the system restore is complete, it is recommended that you obtain anti-malware software and scan your computer for the ransomware just to be sure that it is gone.

Step 3. Recover your data

If the ransomware has encrypted your files and you did not have backup prior to the infection, some of the below provided methods might be able to help you recover them.

3.1) Using Data Recovery Pro to recover files

  1. Download the program from a reliable source and install it.
  2. Run the program and scan your computer for recoverable files. datarecoverypro How to remove .Btos file virus
  3. Restore them.

3.2) Restore files via Windows Previous Versions feature

If you had System Restore feature enabled on your system, you should be able to recover the files via Windows Previous Versions feature.
  1. Right-click on an encrypted file that you want to restore.
  2. Properties → Previous Versions Windows-previous-version How to remove .Btos file virus
  3. Select the version of the file you want to recover and click Restore.

3.3) Shadow Explorer to decrypt files

Your operating system automatically creates shadow copies of your files in case of a crash but some ransomware manages to delete them. Nevertheless, it is still worth a try.
  1. Download Shadow Explorer. Preferably from the official website (, install and open the program.
  2. On the top left corner there will be a drop menu. Search for the disk that contains the encrypted files. shadow-explorer How to remove .Btos file virus
  3. If you do find some folders, right-click on them and select Export.

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