Derp Virus Ransomware
Derp is a malicious software functioning as common ransomware. Michael Gillespie, the popular malware researcher, very first found this new name in the DJVU ransomware family.
Derp was created for the sole function to encrypt all popular file types. Logically, as soon as the file encryption is effectively accomplished, the users are unable to get access to them. Derp ransomware adds its own “.derp” to all the encrypted data. For instance, the file “price_list.xls”, as soon as modified by Derp, will be entitled as “price_list.xls.derp”. As soon as the file encryption is accomplished, Derp puts its own unique text file (_readme.txt) into all the folders that keep the encrypted files.
The message mentioned by _readme.txt requesting the random os really similar to the notifications given by other ransomware risks belonging to the DJVU family. The caution basically shows that the data has been secured and the only option to get access to it is to use an unique standalone key. Regretfully, this statement is definitely true.
The technique to encrypt the files utilized by Derp is not totally investigated. However, there is no doubt that each computer owner might be issued an unique decryption key, which is absolutely unique. It is incredibly hard to recover the information without the proper type in place.
“Don’t worry, you can return all your files!”, from _readme.txt message:
One more peculiarity of the Derp ransomware is that the users are not able to get access to the key. The decrypting key is hosted on a special server under the complete control by the scoundrels who have released the Derp infection into the web. In order to acquire the key and restore the crucial information, the users are told to get in touch with the frauds via e-mail or by telegram and to pay the ransom in the quantity of $980.
The message likewise says that the people should call the Derp authors within 72 hours upon the moment of the information file encryption. The alert shows that by doing so the people will get a 50% discount, therefore, the ransom amount falls to $490.
Derp encrypted your information, nevertheless, it may not be the only danger on your computer. Plus, the ransomware may be hidden deep in the system. To detect and delete the threat completely, we recommend you to describe the help of GridinSoft Anti-Malware app.
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No matter what the amount of the ransom is, we strongly encourage that you do not pay the ransom. There is no guarantee that these online scoundrels will keep their guarantees, so they may not care at all what the victims feel about the file encryption, even when the quantity of the ransom is gotten into their accounts. Thus, paying ransom typically does not lead to an effective recovery. So, the users might merely lose their money for nothing.
Similarly, we advise you not to call the frauds as they advise. Do not move money into their wallets. There are no applications that could crack the Derp ransomware or restore the information for free. Therefore, the only right choice is to bring back the information from possible backups (if available).
Virus Summary
| Name | Derp Ransomware |
| File Extension | derp |
| Type | Ransomware |
| Family | DJVU |
| Short Description | The ransomware encrypts all the data stored on your system and requires a ransom to be paid on your part supposedly to recover your important files. |
| Symptoms | File encryption by the ransomware is performed by means of the AES-256 algorithm (CFB mode) encryption algorithm. Once the encryption is completed, the ransomware adds its special .derp extension to all the files modified by it. |
| Distribution Method | Adware bundles and software cracks |
| Similar Infections | Coot, Nols, Werd |
| Removal Tool | GridinSoft Anti-Malware |
Do not forget that the Internet is now loaded with infections similar to the Derp virus. For instance, this particular threat is basically identical to Brusaf and other ransomware-type infections. These damaging energies have been established in order to encrypt the essential information and reveal the need for the users to pay the ransom. All these infections utilize the identical algorithm to produce the specific key for effective data decryption.
Unless the Derp ransomware is still under the advancement process or has actually got some hidden bugs, it is not possible to bring back the information manually. Hence, the only working solution to prevent the loss of your essential data is to frequently preserve updated backups of all your crucial files.
Another crucial piece of recommendations is to keep the backups on unique storage not connected to your main computer. For instance, you may save it on the USB Flash Drive, or some external drive, or by using the cloud data storage services. Keeping the backups on your system drive is very risky, considering that the backup might likewise be secured by the Derp virus.
Leaks for the Derp ransomware attack.
Derp utilizes lots of paths to penetrate the susceptible computer systems. It is not specific what particular approach was utilized in your case, nevertheless, the intrusion may occur via the following channels:
- bundling with third-party programs, generally freeware;
- spam e-mails from the unknown senders;
- websites supplying free hosting;
- P2P (peer-to-peer) torrent software.
There are times when the Derp virus may camouflage itself as some real application, for instance, through the misleading notifies demanding installation of some software application update. This is the most common technique used by the scams to inject the Derp infection files into the system. In this manner users partly participate in its setup, without clearly comprehending the risk.
Additionally, the scams might send unsolicited spam e-mail with difficult informs encouraging individuals to open dubious accessories or click on some download links, for example, those motivating the people to open specific pictures, text files, tax documents and other info.
No doubt, opening these files or clicking on the harmful links may essentially damage the system. Fake Adobe Flash Player upgrade notices may cause the Derp ransomware infiltration. Likewise, downloading the broken software may in addition contain the ransomware installer. The last however not the least, setup of Derp might take place through some Trojan horses that might be installed stealthily into the system and without the user’s direct authorization or even approval.
Preventing the Derp attack.
Obviously, there is no outright assurance that your computer will be always without any malware attacks, however, we would like to share some useful suggestions with you to make it safer. Make certain to pay very close attention while searching the web and particularly while downloading cost-free programs. Do not open any suspicious e-mail accessories, especially if the sender is not understood to you.
Do not forget that certain freeware installer might also contain some other additional apps in the bundle. These additional applications may be extremely harmful. It is of utmost value to keep your anti-virus software application and your operating system in basic to be constantly properly updated.
It is quite sensible that downloading cracked apps is illegal, however, furthermore, such unapproved software use might also bring serious damage to your system. For this reason, do not download any split programs. Plus, the fact that your present anti-virus did not secure the system from the Derp ransomware is a good reason for you to reconsider your choices and change to another program that can render the safeguarding functions on a far better level.
Below please find the quotation from the Derp text file:
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-2P5WrE5b9f 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: gorentos@bitmessage.ch Reserve e-mail address to contact us: gorentos2@firemail.cc Our Telegram account: @datarestore
Screenshot of files with “.derp” extension added by the ransomware:”
Use GridinSoft Anti-Malware to remove Derp ransomware from your computer
1.Download GridinSoft Anti-Malware.
You can get GridinSoft Anti-Malware by clicking the button below:
2. Double-click on the setup file.
When setup file has finished downloading, double-click on the setup-antimalware-ag.exe file to install GridinSoft Anti-Malware on your computer.
An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.
3. Press Install button for run GridinSoft Anti-Malware.
3.Once installed, GridinSoft Anti-Malware will automatically run.
4. Wait for the GridinSoft Anti-Malware scan to complete.
GridinSoft Anti-Malware will automatically start scanning your computer for Win Speedup 2018 and other malicious programs. This process can take a 20-30 minutes, so we suggest you periodically check on the status of the scan process.
5. Click on “Clean Now”.
When the scan has completed, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.
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