Derp is assorted by our virus analyst team as the DJVU cryptoware genus. Another variants of this family is Coot, Nols, Werd, and some others. There are certain antiviruses that bypass it as well as therefore permitting its intrusion. Actually, we have to call it that, because of the “.derp” extension that it attaches at the end of your data.
Let’s clarify. Derp virus hits your computer through trick and knack also. After that, once intruded it applies AES or RSA enciphering logics to lock your files.
Then, they blackmail you for their decode. After Derp evades right into your device, it places every one of your records under isolation. It attaches its very peculiar extension “.derp” at the end, thus making documents inaccessible.
Files with “.derp” extension appended by the Derp virus:
It reaches data, registers, photos, music, videos, all of it! Thereafter, you can’t longer access them. Relocating documents or retitling it will not facilitate. The only means to decode your files from the virus’ keep is decoding. The virus expects you to send ransom cash if you wish to get your records back. It makes that clear (in the blackmail text) it will decode data after payoff.
The note is generally a text file, left on your desktop. You can also reveal it in every directory that contains enciphered data. It describes your troubles and also proposes you a solution. According to Derp, the only means to unblock your data is with a unique deciphering key. And also, to obtain it you have to pay a redemption. The sum is $980, as well as it’s usually asked for in cryptocurrency.
The message by the Derp ransomware 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 “derp” files!
The Derp infection guarantees, to send you the key after you pay. As well as, that’s it. That’s all you obtain – a promise. You have no guarantees that conformity results in something favorable. Do not bear on words of internet crooks. That is people, that will scam you. Do NOT pay them a cent. Don’t call them Do NOT comply with their needs.
How did my PC got harmed by Derp?
Your PCs get infected with the Derp virus because of your disability to be on alert. Some people do not point out important details while using the Internet or downloading different programs.
The Derp infection uses the old yet gold invasive techniques to deceive you. And creeps in undetected. That involves concealing behind defective web links, sites, and torrents. It applies free software as a way to hide itself. And poses as a false system or software update. Like, Adobe Flash Player or Java.
Yet nine times out of ten, it utilizes junk emails. You open an email that seems to find from a well-known business. 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 malware.
Keep in mind that these types of risks are cheating your oscitancy. They need you to rush and skip doing due diligence. That relieve their hidden pervasion. They rely on you to leave your fate to chance. Do not! Do not take rashness over care. One keeps malwares out. The other welcomes them in.
Therefore, do not send them a fee. Don’t connect to the virtual frauds. If you do, you’ll regret it. It’s a vain try to recover your data, as well as it will not finish well for you. Below’s why.
There are a few cases that can explain when you see the buyout cash note on your display. Claim, you decide to concede. You reply to the racketeers, give their ransom currency, and wait. You wait on them to send you the decoding trick they promised. Well, what happens if they do not?
However, you have no warranties. All, you rest on, is a promise. Can you absolutely think promises of internet kidnappers? The answer is ‘No.’ These are people, who will clearly disenchant you. Don’t pay cash! There’s also another choice.
They can actually send you a decryption key. However, when you effort to use it, it fails to work.
Yes, they can send you the wrong code. After that, you have much less funds, as well as your information continues to be encrypted. Don’t pay! And also your top case isn’t a reason for enthusiasm. What takes place after you pay the ransom currency, obtain the appropriate trick, as well as totally free your documents? Well? Consider it. You paid ransom to eliminate a sign and symptom, yet not the malware starting it.
So, you eliminate the enciphering, yet the Derp virus stays. It’s still slinking in the corners of your system, complimentary to attack once again. After that, you’re back at a new start.
Why is Derp unsafe?
Futhermore, to encode a injured’s data, the Derp infection has also started to install the Azorult Spyware on PC to steal account passwords, cryptocurrency wallets, desktop files, and more.
So, your computer got attacked by Derp and also probably you have actually lost time trying to fix it manually. We are absolutely positive that the remedy below will certainly be successful in removing Derp in an automated way.
How to protect PC from Derp ransomware?
However, let us initially speak about preclusion of such ransomware invasions in the future. There is something exists that you can do to get away from this kind of critical menace from entering into your device in advance?
There are a couple of things we wish to talk about here. First one is your private liability for being incredibly attentive while you utilize your computer and largely while you surf the internet. When exploring your e-mail and see some fishy accessories consisted of, do not hurry to open them.
The same way, when you get on Facebook and social networks also someone you know sends you messages including accessories, be very careful, particularly if these are some .exe files.
Another thing to take into consideration is researching the trustworthiness of your current anti-malware program. Unfortunately, there are plurals safety and security softwares today that just declare to be reliable, whereas in times of real malware invasions they simply stop working to do the task as claimed.
In case Derp intruded into your device this indicates that your current security tool did not do its declared purpose as well as really fell short to protect your system. So obviously it is a point for you to overrate your choices and also definitely switch over to some other software that can most exactly guarantee the wanted degree of protection.
Not all antiviruses are good
We can additionally discuss some part of users that like not to have any kind of security software program at all. Definitely, this is a huge error on their component, due to the fact that presently the net has plenty of virtual hazards that may secretly penetrate perceptive systems, especially those that are not appointed with some standard level of security.
So, having anti-malware incessantly running and securing your computer is a necessary point in today’s cyber world.
Derp is getting on the nerves of many people, so you’re not its only victim.
People ask how to repair the problem effectively. Removal 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 Derp in the right way.
Click to Download GridinSoft Anti-Malware.
Derp removal guide
STEP 1. Recover files from Derp ransomware encryption
Cyber Security specialist Michael Gillespie createed decoder for some versions and variants of this family ransomware.
But it work when the Derp virus used an offline key for encryption.
You can download free decryption tool here: STOPDecrypter. This tool includes a “Brute Force” algorithm for variants which use XOR encryption, a simple symmetric cipher that is relatively easy to break.
The decrypter tool requires victims to provide an encrypted and original file pair greater than 150KB.
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 Derp 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 Derp 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 Derp.
STEP 3. Prevent the Derp 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 official 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.