Remove .Nostro Ransomware (+.Nostro File Recovery)

The encrypted files may not be the only damage done to you. parasite may still be hiding on your PC. To determine whether you've been infected with ransomware, we recommend downloading SpyHunter.

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More information on SpyHunter, steps to uninstallEULAThreat Assessment Criteria, and Privacy Policy.

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This page aims to help you remove .Nostro Ransomware for free. Our instructions also cover how any .Nostro file can be recovered.

A recently detected malicious program with Ransomware features called .Nostro Ransomware can cause you a lot of trouble if it finds its way inside your computer. This infection is created with the sole purpose of blackmailing you in a very nasty and ruthless way. .Nostro has the ability to detect your most used files and apply a complex encryption algorithm to all of them in order to render them inaccessible. Then, the malware demands a ransom payment for the decryption of the affected data and gives you a short deadline to release a payment of a fixed amount. In exchange for your money, the cyber criminals behind .Nostro promise to send you a special decryption key which is supposed to release the encrypted files from the secret encryption algorithm. In case you don’t fulfill their demands, they threaten to destroy the special key and never let you access your files again. The Ransomware is a very sneaky virus and can infect you in complete stealth. Sadly, there are not so many ways to counteract the attack and release your data from the malicious encryption. But not everything is lost. If .Nostro Ransomware has taken hostage of your valuable files, we suggest you take a look at the file-restoration suggestions and the Removal Guide that our “How to remove” team has prepared below. There, you may find some alternatives to the ransom payment as well as some good tips about prevention and protection from Ransomware in the future.

.Nostro Ransomware File

How can .Nostro infect you and what can it do to your PC?

.Nostro is a sneaky file-encrypting virus which spreads through various malicious sources. Email attachments, suspicious links, fake ads, infected web pages, compromised software installers and Trojan horses are some of its most common carriers. The crooks who create Ransomware typically launch different shady malware-distribution campaigns to spread this nasty malware and extort money from as many users as possible.

Remove .Nostro Ransomware



Some of the steps will likely require you to exit the page. Bookmark it for later reference.

Reboot in Safe Mode (use this guide if you don’t know how to do it).



We get asked this a lot, so we are putting it here: Removing parasite manually may take hours and damage your system in the process. We recommend downloading SpyHunter to see if it can detect parasite files for you.

Press CTRL + SHIFT + ESC at the same time and go to the Processes Tab. Try to determine which processes are dangerous. 


Right click on each of them and select Open File Location. Then scan the files with our free online virus scanner:

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Maximum file size: 128MB.

This scanner is free and will always remain free for our website's users. You can find its full-page version at: https://howtoremove.guide/online-virus-scanner/

Scan Results

Virus Scanner Result

After you open their folder, end the processes that are infected, then delete their folders. 

After you open their folder, end the processes that are infected, then delete their folders. 

Note: If you are sure something is part of the infection – delete it, even if the scanner doesn’t flag it. No anti-virus program can detect all infections.


Hold the Start Key and R –  copy + paste the following and click OK:

notepad %windir%/system32/Drivers/etc/hosts

A new file will open. If you are hacked, there will be a bunch of other IPs connected to you at the bottom. Look at the image below:

hosts_opt (1)

If there are suspicious IPs below “Localhost” – write to us in the comments.

Type msconfig in the search field and hit enter. A window will pop-up:


Go in Startup —> Uncheck entries that have “Unknown” as Manufacturer.

  • Please note that ransomware may even include a fake Manufacturer name to its process. Make sure you check out every process here is legitimate.


To remove parasite on your own, you may have to meddle with system files and registries. If you were to do this, you need to be extremely careful, because you may damage your system.

If you want to avoid the risk, we recommend downloading SpyHunter
a professional malware removal tool.

More information on SpyHunter, steps to uninstallEULAThreat Assessment Criteria, and Privacy Policy.

Type Regedit in the windows search field and press EnterOnce inside, press CTRL and F together and type the virus’s Name. 

Search for the ransomware  in your registries and delete the entries. Be extremely careful –  you can damage your system if you delete entries not related to the ransomware.

Type each of the following in the Windows Search Field:

  1. %AppData%
  2. %LocalAppData%
  3. %ProgramData%
  4. %WinDir%
  5. %Temp%

Delete everything in Temp. The rest just check out for anything recently added. Remember to leave us a comment if you run into any trouble!


How to Decrypt .Nostro files

We have a comprehensive (and daily updated) guide on how to decrypt your files. Check it out here.

That’s why, you can never be sure what the source of an infection such as .Nostro could be. This insidious threat is usually able to attack any Windows PC very easily without any visible symptoms or indications. In most of the cases, the antivirus software may not be able to effectively detect and stop the threat which is why the attack often comes out of the blue.

After a successful infection, the file encrypting virus will encrypt all your personal files and keep them hostage for an indefinite period of time. It will leave a ransom message on your desktop where it will inform you what you need to do if you want to receive the decryption key for your files.

The ransom note usually demands a relatively big amount of money in exchange for the access key. The attackers warn that if the ransom is not paid by a certain date, the private key will be destroyed and the data will be lost forever. .Nostro affects the victim’s data only and normally does not attack anything else. This way, the cyber criminals expect that the victim will pay the money to get back their files, without looking on the Internet for how to fix the problem in an alternative way.

However, in case of an infection, this is exactly what we suggest you do. Before you consider the ransom payment as an option, you should research for and give a try to every other possible solution that might work. After all, you can’t really trust the hackers to give you the special key because they may disappear with the money without sending you anything. That’s why, it is best to check for other file-recovery solutions such as personal external backups, system backup extraction, copies on other devices, professional Ransomware removal software or even consultation with a specialist. If you are not sure where to start with, we suggest you carefully read the instructions in the Removal Guide below. They will show you how to remove .Nostro from your system and make it safe for further data-restoration attempts. There is also a professional .Nostro removal software for automatic assistance there, so make use of it as well.

How to protect your PC from Ransomware?

  • Create regular data backups: If you regularly backup all of your important data on external drives, you can easily restore it and no one can blackmail you for accessing it.
  • Avoid potential malware transmitters: If a pop-up or a shady link, add or spam messages appear on your screen, close them down and don’t get tricked into clicking on them.
  • Use an antivirus application: An antivirus software from a reputed company can provide you with protection for your PC, so do invest in a good that has specialized anti-ransomware features.


Name .Nostro
Type Ransomware
Danger Level High (Ransomware is by far the worst threat you can encounter)
Symptoms Very few and unnoticeable ones before the ransom notification comes up.
Distribution Method From fake ads and fake system requests to spam emails and contagious web pages.
Data Recovery Tool Currently Unavailable
Detection Tool

If the guide doesn’t help, download the anti-virus program we recommended or try our free online virus scanner. Also, you can always ask us in the comments for help!

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