Have you discovered your images, pictures, music files, and videos having a new extension .NM4? If the answer is yes, you must have Nm4 Ransomware on your computer. Since it is a harmful computer infection, it always enters systems without the user’s knowledge. Users usually realize quickly that there is a malicious application inside their systems because this ransomware-type infection starts working right after the successful entrance, i.e. it does not work silently in the background. It immediately strikes and encrypts users’ personal files. Ransomware infections do not perform this activity with the intention of making users angry. Instead, they lock users’ personal files with the intention of receiving money from them. As you have probably understood, Nm4 Ransomware demands money once it encrypts the personal data. It tells users that they could not unlock their files without the private key; however, it is still not advisable to transfer the required money to cyber criminals because they might not even have the decryption key. There are many cases when users do not get the promised decryption key and, on top of that, lose their money.
Nm4 Ransomware is a new threat detected by malware analysts at 411-spyware.com recently; however, it does not differ much from other ransomware-type infections. Research has shown that it also encrypts files and then leaves ransom notes in folders containing those encrypted files. It should be noted that Nm4 Ransomware does not touch files having such filename extensions: .bat, .dll, .exe, .msi, .ini, and others. On top of that, it does not encrypt system files, e.g. NTUSER.DAT and IO.SYS. Last but not least, it skips certain directories containing files, e.g. %APPDATA% as well. After the encryption of certain files, it drops a ransom note Recovers your files.html. It tells users that they cannot open them because they have been encrypted using strong ciphers (AES-256 and RSA-2048). Also, users find out that they can decrypt their files with the private key only. It can be bought from cyber criminals for 4 Bitcoins ($6350). It is a very large amount of money, and there are no guarantees that cyber criminals will give you the decryption key, so, in the opinion of experienced specialists, you should not make a payment. Users have to understand that they might not be able to get files back if they do not transfer money; however, the risk of losing a large amount of money for nothing is too high. Actually, there is one group of users who can recover files easily without the special decryption key – users who back up their files periodically and keep backups on external devices. If you are one of them, delete Nm4 Ransomware and only then go to recover your files.
Different distribution strategies might be used to spread ransomware infections; however, in most cases, they enter users’ computers when they open attachments from spam emails. These attachments usually take the form of important documents, so it is not surprising why so many users open them and help ransomware infections to enter their systems without even realizing that. As has been mentioned, it is only one of many distribution methods, so install security software on your PC as soon as possible if Nm4 Ransomware has managed to enter your computer. Its entrance clearly shows that your computer is unprotected and other harmful threats can show up on the system too.
Go to remove Nm4 Ransomware as soon as you find out that you have it on your computer. Luckily, it does not make any modifications in the system registry and does not drop any additional files, so it should not be hard to erase it. Actually, there is only one removal step you need to take – remove the malicious file. It should be located in %USERPROFILE%\Downloads or %USERPROFILE%\Desktop; however, if it happens that you cannot find it anywhere, you should go to scan your computer with an automatic malware remover. It will need a few seconds to find and delete it for you.