Nosu is ranked by our virus analyst team as the DJVU virus genus. Another variants of this family is Kodc, Redl, Piny, and some others. There are certain protection programs that ignore it as well as therefore allowing its intrusion. Actually, we have to call it that, because of the “.nosu” extension that it joins at the end of your records.
Let’s clarify. Nosu virus attacks your computer through slyness and skill also. After that, once entered it applies AES or RSA encoding methods to lock your records.
Then, they extort you for their release. After Nosu slips right into your device, it places every one of your documents under isolation. It adds its very peculiar extension “.nosu” at the end, thus making records unavailable.
Files with “.nosu” extension appended by the Nosu virus:
It attacks documents, folders, photos, mp3s, movies, all of it! Thereafter, you can’t longer view them. Displacing the data or renaming it will not help. Sole remedy to release your files from the virus’ keep is deciphering. The malware expects you to pay ransom currency if you wish to get your files back. It makes that clear (in the blackmail note) it will decipher documents after defrayal.
The note is generally a text file, left on your desktop. You can also reveal it in each directory that has encrypted documents. It describes your worries and also offers you a decision. According to Nosu, the only means to unblock your data is with out-and-outer decoding code. And also, to obtain it you have to pay a ransom. The amount is $980, as well as it’s generally asked for in cryptocurrency.
The message by the Nosu virus states the following info:
ATTENTION! Don't worry, you can return all your files! All your files like photos, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-WbgTMF1Jmw Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: email@example.com Reserve e-mail address to contact us: firstname.lastname@example.org Our Telegram account: @datarestore Your personal ID: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
Do NOT send money for decrypt of “nosu” files!
The Nosu virus guarantees, to send you the key after you disburse. As well as, that’s it. That’s all you obtain – a promise. You have no assurances that conformity ends in something favorable. Do not rest on words of cyber frauds. That is people, that will scam you. Do NOT disburse them a cent. Don’t call them Do NOT comply with their needs.
How did my PC got harmed by Nosu?
Your devices get corrupted with the Nosu ransomware because of your incapacity to be on the guard. Some people do not pay attention to essential details while browsing the web or installing various programs.
The Nosu malware uses the old yet gold annexationist techniques to deceive you. And creeps in unobserved. That involves masking behind broken web links, sites, and torrents. It applies freeware as a way to hide itself. And forms as a fake system or software update. Like, Adobe Flash Player or Java.
Yet nine times out of ten, it uses junk emails. You open an email that seems to find from a well-known brand. Like, Amazon or PayPal. And, the email incites you to visit a web link, or download and install an program. If you do, you end up with ransomware.
Remember that these types of risks are fooling your inattention. They need you to rush and skip doing due diligence. That relieve their latent penetration. They rely on you to leave your fate to chance. Do not! Do not take rashness over care. One keeps viruses out. The other welcomes them in.
Consequently, do not pay them a loan. Don’t connect to the internet criminals. If you do, you’ll regret it. It’s a futile effort to restore your records, as well as it will not finish well for you. Below’s why.
There are a few circumstances that can interpret when you see the buyout money note on your monitor. Claim, you decide to comply. You connect to the racketeers, pay their redemption money, and wait. You wait on them to send you the deciphering trick they guaranteed. Well, what happens if they do not?
Nevertheless, you have no assurances. All, you rest on, is a faith. Can you absolutely think promises of cyber kidnappers? The answer is ‘No.’ These are people, who will surely disenchant you. Don’t give a cent! There’s also another choice.
They can actually send you a deciphering code. However, when you try to apply it, it fails to work.
Yes, they can send you the unfaithful one. After that, you have much less money, as well as your information continues to be blocked. Don’t disburse! And also your optimum strategy isn’t a reason for enthusiasm. What takes place after you send the redemption money, obtain the appropriate trick, as well as totally free your files? Well? Consider it. You paid fee to eliminate a sign and symptom, yet not the malware launching it.
So, you eliminate the encoding, yet the Nosu virus stays. It’s still slinking in the corners of your system, complimentary to strike once again. After that, you’re back at a new start.
Why is Nosu unsafe?
In addition, to encipher a victim’s records, the Nosu infection has also started to install the Azorult Spyware on PC to steal account data, cryptocurrency wallets, desktop documents, and more.
So, your PC got attacked by Nosu and also probably you have actually lost time trying to delete it manually. We are absolutely positive that the remedy below will certainly be usefull in removing Nosu in an automated manner.
How to protect PC from Nosu ransomware?
However, let us initially speak about debarment of such cryptoware invasions in the future. There is something exists that you can do to avoid this kind of nasty hazard from entering into your device previously?
There are a couple of things we wish to talk about here. First one is your individual accountability for being beyond belief attentive while you utilize your computer and largely while you browse the web. When exploring your e-mail and see some fishy attachments consisted of, do not hurry to open them.
Similarly, when you get on Facebook and social networks also someone you communicate with sends you messages attaching accessories, be very careful, especially if these are some executable files.
The second thing to take into consideration is researching the dependability of your current security tool. Sadly, there are numerous safety and security softwares presently that just state to be reliable, whereas in times of real malware intrusions they simply stop working to do the task as stated.
In case Nosu penetrated into your device this indicates that your current anti-malware program did not do its declared function as well as really fell short to secure your system. So obviously it is a factor for you to overestimate your choices and also definitely change over to some other software that can most definitely provide the wanted grade of safety.
Not all antiviruses are good
We can extra discuss some portion of users that like not to have any kind of anti-virus software program at all. Definitely, this is a big error from their side, due to the fact that presently the net has dozens of virtual jeopardies that may secretly invade susceptible systems, specifically those that are not equipped with some standard grade of protection.
So, having antivirus constantly running and guiding your device is a required point in nowadays’ cyber world.
Nosu is getting on the nerves of many users, so you’re not its only victim.
People ask how to fix the problem effectively. Getting rid of the infection manually may be a long-lasting undertaking and can damage other important system files. Scan your PC with GridinSoft Anti-Malware to detect and delete Nosu in the right way.
Click to Download GridinSoft Anti-Malware.
Nosu removal guide
STEP 1. Recover files from Nosu ransomware encryption
You can download free decryption tool here: Decryptor for STOP Djvu. But it work when the Nosu virus used an offline key for encryption.
If key does not found, we advice to restore your PC
There are a lot of different ransomware viruses on the internet. Some of them are more dangerous than the others because they not only leaving malicious processes to protect themselves, but also removing backups of your system to make the recovery process impossible.
Please Note: Not all ransomware infections are able to remove backups of your system, so it is always worth to try a windows recovery.
We recommend use Safe Mode with command prompt to safely perform a recovery of your files. You will have to reboot your computer, so you better save this instruction:
STEP 2. Removing Nosu ransomware malicious files
Once the recovery process is complete, you should consider scanning your computer with a GridinSoft Anti-Malware in order to find any traces of Nosu infection. Though some ransomware viruses are removing themselves right after the encryption of your files, some may leave malicious processes on your computer for special purposes of cyber criminals.
Run GridinSoft Anti-Malware and choose the scan type, which is suitable for your needs. Of course, for the accuratest scan results we recommend you to choose the “Full Scan”.
Give Anti-Malware a little time to check your system:
Move to quarantine all the viruses and unwanted files, that you see in the results list:
Enjoy the malware removal process:
Use of On-run protection may additionaly prevent different types of cyber attacks, our protect may flag the downloader of the ransomware as a malicious application preventing the download of Nosu.
STEP 3. Prevent the Nosu virus infection
Besides the protection tool, you should read and learn few simple rules. Follow them every time you work on your computer and your will decrease chances of your infection to a minimum:
- Don’t open suspicious letters. No way! Be very careful with your downloads. Download and install applications preferably from its trusted website.
- Do backups of your important files regularly. Storing your really important files in few different places is a good decision.
- Keep your PC free from adware, hijackers and PUPs The infected computer will be more likely compromised with other malicious software, and ransomware is not an exception in this case.
- Don’t panic and be reasonable. Don’t pay the ransom fee right after you got infected, it is always best to search on the internet for some answers. It is possible that someone have developed a decryption tool that might help you.