This article provides information about a ransomware dubbed EVIL LOKCER. At the end of it, you will find a step-by-step guide that helps with the removal of this threat as well as alternative data recovery approaches.
As found by security researchers EVIL LOKCER is a ransomware that aims to encrypt important files stored on the infected host and then blackmail victims into paying a ransom fee. For the purpose, it modifies essential system settings that contribute to the successful attack. At the end of the infection process, all files corrupted by EVIL LOKCER ransomware have the extension .[firstname.lastname@example.org].EVIL and you are no longer able to access the information they store.
|Short Description||EVIL LOKCER encrypts important files stored on the infected host and then demands a ransom for a decryption solution.|
|Symptoms||Valuable data becomes unopenable and is marked with the extensionс .[email@example.com].EVIL. A ransom is demanded for decryption solution.|
|Distribution Method||Spam Emails, Email Attachments|
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|User Experience||Join Our Forum to Discuss EVIL LOKCER.|
|Data Recovery Tool||Windows Data Recovery by Stellar Phoenix Notice! This product scans your drive sectors to recover lost files and it may not recover 100% of the encrypted files, but only few of them, depending on the situation and whether or not you have reformatted your drive.|
EVIL LOKCER Ransomware – Distribution
One way for the ransomware to land on the computer is via a compromised web page. A visit to such web page can download the infection through your browser and execute its code directly on the system. The URLs of such pages can be distributed via various advertising campaigns, posted on social media channels or send in email spam messages.
Another spread technique which appears to be the most preferred by hackers is sending the ransomware payload in spam email messages. In this case the malicious code could be embedded in a file attachment. The attachment may be a commonly used type of file like an archive, document, image, or PDF. Beware and practice caution before you download and open files from received emails even when they seem legitimate as hackers often pose as representatives of well-known companies, services, websites and even governmental institutions. This way they attempt to trick you into infecting your system with devastating infections like EVIL LOKCER ransomware.
EVIL LOKCER Ransomware – Overview
Once EVIL LOKCER ransomware’s payload is started on the system it initiates a sequence of system modifications that help it to evade detection and complete the attack. The analyses of this threat sample reveal that is designed to infect 64-bit system versions. In order to get all malicious files needed for the infection process, the ransomware is likely to connect its command and control server and then download them from there. Meanwhile, other files with self-execution functionalities are created directly on the system during the attack.
There are several folders that may store malicious files after the attack and they are:
Further, it becomes clear that the ransomware terminates certain system processes probably in attempt to remain undetected by active security measures or become able to execute some of the malicious files that imitate legitimate processes.
During the attack EVIL LOKCER accesses the Registry Editor where low-level settings for the operating system are stored. There the ransomware is able to add values under the Run and RunOnce sub-keys and ensure its persistent presence on the system. These keys manage the automatic execution of all processes essential for the smooth system performance. So by adding its malicious values there the ransomware becomes able to run on each system start.
Following encryption, EVIL LOKCER drops a file named !_HOW_RECOVERY_FILES_!.txt and opens it to inform victims about its presence and impact. The text in this ransom message reads:
>>>>>>>>>>>>>>>>>>>>>>>>>>>> EVIL LOCKER <<<<<<<<<<<<<<<<<<<<<<<<<<<< HELLO, DEAR FRIEND! 1. [ ALL YOUR FILES HAVE BEEN ENCRYPTED! ] Your files are NOT damaged! Your files are modified only. This modification is reversible. The only 1 way to decrypt your files is to receive the decryption program. 2. [ HOW TO RECOVERY FILES? ] To receive the decryption program write on our e-mail: firstname.lastname@example.org or email@example.com And in subject write your ID: ID-[redacted 6 hex char] We send you full instruction how to decrypt all your files. 3. [ FREE DECRYPTION! ] Free decryption as guarantee. We guarantee the receipt of the decryption program after payment. To believe, you can give us up to 3 files that we decrypt for free. Files should not be important to you! (databases, backups, large excel sheets, etc.) >>>>>>>>>>>>>>>>>>>>>>>>>>>> EVIL LOCKER <<<<<<<<<<<<<<<<<<<<<<<<<<<<
Hackers do not reveal how much the decryption ransom is but no matter how much they demand we strongly advise all victims to refrain from contacting or paying them. No matter what they promise they are malicious intenders who can trick you into paying them the ransom and skip sending you a decryption solution.
EVIL LOKCER Ransomware – Encryption Process
The primary goal of EVIL LOKCER crypto virus is to encode predefined types of files and make them inaccessible. It is likely that the following files are encrypted by this ransomware:
- Audio files
- Video files
- Document files
- Image files
- Backup files
- Banking credentials, etc
During encryption, the original code of all target files is modified with the help of a strong cipher algorithm. So at the end of the process corrupted files could not be accessed. Additionally, the specific extensions .[firstname.lastname@example.org].EVIL are appended to the original names of encrypted data.
EVIL LOKCER cryptovirus could also be set to erase all the Shadow Volume Copies from the Windows operating system with the help of the following command:
→vssadmin.exe delete shadows /all /Quiet
The execution of the above-stated command makes the effects of the encryption process more efficient as it eliminates one of the prominent ways to restore your data. If a computer device was infected with this ransomware and your files are locked, read on through to find out how you could potentially restore some files back to their normal state.
Remove EVIL LOKCER Ransomware and Restore .EVIL Files
Below you could find how to remove EVIL LOKCER step by step. To remove the ransomware manually you need to have a bit of technical experience and ability to recognize traits of malware files. Beware that ransomware is a threat with highly complex code that plagues not only your files but your whole system. So as recommended by security researchers you need to utilize an advanced anti-malware tool for its complete removal. Such a tool will keep your system protected against devastating threats like EVIL LOKCER and other kinds of malware that endanger your online security.
After you remove the ransomware make sure to check the “Restore Files” step listed in the guide below. But before you take any further actions, don’t forget to back up all encrypted files to an external drive in order to prevent their irreversible loss.
What is EVIL LOKCER Ransomware?
EVIL LOKCER is a ransomware infection - the malicious software that enters your computer silently and blocks either access to the computer itself or encrypt your files.
Many ransomware viruses use sophisticated encryption algorithms to make your files inaccessible. The goal of ransomware infections is to demand that you pay a ransom payment to get access to your files back.
Can EVIL LOKCER Ransomware Cayse Damage?
Yes, ransomware can damage your computer. Ransomware is a malicious software that is designed to block access to your computer or files until a ransom is paid.
Ransomware can also damage your system, corrupt data and delete files, resulting in the permanent loss of important files.
Should I Ignore Viruses, Like EVIL LOKCER?
No, you should never ignore ransomware. It can encrypt your data and block access to your computer, making it impossible to access your files until you pay a ransom.
Ignoring ransomware could lead to the permanent loss of your data, as well as the potential for the ransomware to spread to other computers on your network. Additionally, paying the ransom does not guarantee that your data will be recovered.
How Does EVIL LOKCER Infect?
Via several ways.EVIL LOKCER Ransomware infects computers by being sent via phishing emails, containing virus attachment.
This attachment is usually masked as an important document, like an invoice, bank document or even a plane ticket and it looks very convincing to users.
After you download and execute this attachment, a drive-by download occurs and your computer is infected with the ransomware virus.
Another way you may become a victim of EVIL LOKCER is if you download a fake installer, crack or patch from a low reputation website or if you click on a virus link. Many users report getting a ransomware infection by downloading torrents.
How to Open .EVIL LOKCER files?
You can't. At this point, the .EVIL LOKCER files are encrypted. You can only open them once they are decrypted using a specific decryptionkey for the particular algorithm.
What to Do If a Decryptor Does Not Work?
Do not panic, and backup the files. If a decryptor did not decrypt your .EVIL LOKCER files successfully, then do not despair, because this virus is still new.
Can I Restore ".EVIL LOKCER" Files?
Yes, sometimes files can be restored. We have suggested several file recovery methods that could work if you want to restore .EVIL LOKCER files.
These methods are in no way 100% guaranteed that you will be able to get your files back. But if you have a backup, your chances of success are much greater.
How To Get Rid of EVIL LOKCER Virus?
The safest way and the most efficient one for the removal of this ransomware infection is the use a professional anti-malware program.
It will scan for and locate EVIL LOKCER ransomware and then remove it without causing any additional harm to your important .EVIL LOKCER files.
Also, keep in mind that viruses like EVIL LOKCER ransomware also install Trojans and keyloggers that can steal your passwords and accounts.
What to Do If I Cant Get The Files Back?
There is still a lot you can do. If none of the above methods seem to work for you, then try these methods:
- Try to find a safe computer from where you can can login on your own line accounts like One Drive, iDrive, Google Drive and so on.
- Try to contact your friends, relatives and other people so that they can check if they have some of your important photos or documents just in case you sent them.
- Also, check if some of the files that were encrypted can be re-downloaded from the web.
- Another clever way is to find another old computer, a flash drive or even a CD or a DVD where you may have saved your older documents. You might be surprised what will turn up.
- You can also go to your email account to check if you can send any attachments to other people. Usually what is sent the email is saved on your account and you can re-download it. But most importantly, make sure that this is done from a safe computer and make sure to remove the virus first.
More tips you can find on our forums, where you can also asks any questions about your ransomware problem.
How to Report Ransomware to Authorities?
In case your computer got infected with a ransomware infection, you can report it to the local Police departments. It can help authorities worldwide track and determine the perpetrators behind the virus that has infected your computer.
Below, we have prepared a list with government websites, where you can file a report in case you are a victim of a cybercrime:
Cyber-security authorities, responsible for handling ransomware attack reports in different regions all over the world:
Germany - Offizielles Portal der deutschen Polizei
United States - IC3 Internet Crime Complaint Centre
United Kingdom - Action Fraud Police
France - Ministère de l'Intérieur
Italy - Polizia Di Stato
Spain - Policía Nacional
Netherlands - Politie
Poland - Policja
Portugal - Polícia Judiciária
Greece - Cyber Crime Unit (Hellenic Police)
India - Mumbai Police - CyberCrime Investigation Cell
Australia - Australian High Tech Crime Center
Reports may be responded to in different timeframes, depending on your local authorities.
Can You Stop Ransomware from Encrypting Your Files?
Yes, you can prevent ransomware. The best way to do this is to ensure your computer system is updated with the latest security patches, use a reputable anti-malware program and firewall, backup your important files frequently, and avoid clicking on malicious links or downloading unknown files.
Can EVIL LOKCER Ransomware Steal Your Data?
Yes, in most cases ransomware will steal your information. It is a form of malware that steals data from a user's computer, encrypts it, and then demands a ransom in order to decrypt it.
Can Ransomware Infect WiFi?
Yes, ransomware can infect WiFi networks, as malicious actors can use it to gain control of the network, steal confidential data, and lock out users. If a ransomware attack is successful, it could lead to a loss of service and/or data, and in some cases, financial losses.
Should I Pay Ransomware?
No, you should not pay ransomware extortionists. Paying them only encourages criminals and does not guarantee that the files or data will be restored. The better approach is to have a secure backup of important data and be vigilant about security in the first place.
What Happens If I Don't Pay Ransom?
If you don't pay the ransom, the hackers may still have access to your computer, data, or files and may continue to threaten to expose or delete them, or even use them to commit cybercrimes. In some cases, they may even continue to demand additional ransom payments.
Why Is the Ransom Paid in Crypto?
Cryptocurrency is a secure and untraceable form of payment, making it the ideal choice for ransom payments. It is difficult to trace, and the transactions are almost instantaneous. This means it is nearly impossible for authorities to track the payment and recover the money.
Can Ransomware Attack Be Detected?
Yes, ransomware can be detected. Anti-malware software and other advanced security tools can detect ransomware and alert the user when it is present on a machine.
It is important to stay up-to-date on the latest security measures and to keep security software updated to ensure ransomware can be detected and prevented.
Do Ransomware Criminals Get Caught?
Yes, ransomware criminals do get caught. Law enforcement agencies, such as the FBI, Interpol and others have been successful in tracking down and prosecuting ransomware criminals in the US and other countries. As ransomware threats continue to increase, so does the enforcement activity.
About the EVIL LOKCER Research
The content we publish on SensorsTechForum.com, this EVIL LOKCER how-to removal guide included, is the outcome of extensive research, hard work and our team’s devotion to help you remove the specific malware and restore your encrypted files.
How did we conduct the research on this ransomware?
Our research is based on an independent investigation. We are in contact with independent security researchers, and as such, we receive daily updates on the latest malware and ransomware definitions.
To better understand the ransomware threat, please refer to the following articles which provide knowledgeable details.
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