The .RekenSom virus is a ransomware that is currently set against target end users on a global scale. There is no information available about the hacking group behind it. It is believed to be a new iteration of the famous ransomware family. This is one of the reasons why we believe that the hackers are experienced.
Once the .RekenSom virus has started it will execute its built-in sequence of dangerous commands. Depending on local conditions or the specific hacker instructions various actions will take place. The file encryption will begin after them — the encrypting component will use a built-in list of target file type extensions. In the end the victim files will be renamed with the .RekenSom extension.
Threat Summary
| Name | .RekenSom Virus |
| Type | Ransomware, Cryptovirus |
| Short Description | The ransomware encrypts files on your computer machine and demands a ransom to be paid to allegedly restore them. |
| Symptoms | The ransomware will blackmail the victims to pay them a decryption fee. Sensitive user data may be encrypted by the ransomware code. |
| Distribution Method | Spam Emails, Email Attachments |
| Detection Tool |
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User Experience | Join Our Forum to Discuss .RekenSom Virus. |
| 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. |
The .RekenSom virus if a a file encrypting ransomware which has recently been detected in a limited attack campaign. The threat does not appear to be particularly widespread among the intended victims. It is possible that the threat is still under development or being tested against only against certain types of victims.
As information about it is still very limited we anticipate that the hackers are going to use popular infection methods which are relatively easy to launch against large groups of computer users. An example of this is the creation of macro-infected documents which are created in the most popular file formats: presentations, text documents, databases and spreadsheets. The other popular malware carrier which is often created by hackers is the infected setup bundle — these are installers of popular software which include popular programs which are frequently downloaded and installed by end users. These files can be easily spread over phishing emails and sites that are created as part of the distribution campaign. They are commonly hosted on sites that sound very similar to the ones which are impersonated. Furthermore they can be uploaded to file-sharing networks where commonly pirate and legitimate files are frequently found. Victims can also get infected by running dangerous web scripts or downloading and installing malware browser extensions. These threats can be downloaded from different Internet sources or deployed by other existing malware infections.
What we know about the .RekenSom virus is that it will start infection right after it has been installed on a given computer. It includes code sources from several smaller ransomware families showing that the hacking group behind it has integrated the potential of other threats. It is very possible that the installation sequence of the threat will start as soon as the threat infects the target device.
There are several processes associated with the .RekenSom virus that are created by the main engine. This means that the threat can be configured to interact with the operating system and its processes. Depending on the individual configuration of the samples this might mean that the malware can hijack user input and system data, possibly indicating potential theft of sensitive information. By hooking up to existing programs and services the .RekenSom virus can also stop running processes. This can result in the running of a security bypass option — the virus may stop any running programs that can potentially block the virus and alert of its presence: anti-virus programs, firewalls, sandbox environments and etc.
At any time the main virus engine can also add in new modules. When all intended actions have run properly the actual file encryption will start. The virus analysis of one of the samples shows the file extensions which are targeted. They will be processed by a very strong cipher and made inaccessible to the users:
.png .3dm .3g2 .3gp .aaf .accdb .aep .aepx .aet .ai .aif .arw .txt .exe .as .as3 .asf .asp .asx .avi .bay .bmp .cdr .cer .class .cpp .cr2 .crt .crw .cs .csv .db .dbf .dcr .der .dng .doc .docb .docm .docx .dot .dotm .dotx .dwg .dxf .dxg .efx .eps .erf .fla .flv .idml .iff .indb .indd .indl .indt .inx .jar .java .jpeg .jpg .kdc .m3u .m3u8 .m4u .max .mdb .mdf .mef .mid .mov .mp3 .mp4 .mpa .mpeg .mpg .mrw .msg .nef .nrw .odb .odc .odm .odp .ods .odt .orf .p12 .p7b .p7c .pdb .pdf .pef .pem .pfx .php .plb .pmd .pot .potm .potx .ppam .ppj .pps .ppsm .ppsx .ppt .pptm .pptx .prel .prproj .ps .psd .pst .ptx .r3d .ra .raf .rar .raw .rb .rtf .rw2 .rwl .sdf .sldm .sldx .sql .sr2 .srf .srw .svg .swf .tif .vcf .vob .wav .wb2 .wma .wmv .wpd .wps .x3f .xla .xlam .xlk .xll .xlm .xls .xlsb .xlsm .xlsx .xlt .xltm .xltx .xlw .xml .xqx .zip
A distinction from other similar threats is that the current versions do not create a ransom note file. Instead the hackers can configure various types of lockscreen instances. All of the affected files will receive the relevant .RekenSom extension.
Process control is also a very important feature of this virus — the main ransomware engine can spawn a lot of processes with the intention of making it very hard to stop the running infection. It can also hookup to running apps and services which means that the main engine can hijack the user input and entered data. This is related to an information gathering operation through which the virus can gather sensitive personal data which can be used for crimes such as identity theft and financial abuse.
The main engine is capable of modifying and deleting user data — this can include user data, important system files and backups. What is more dangerous is that the engine can interact with the Windows Mount Manager — this will allow the virus to interact with removable storage devices, network shares and etc.
A basic Trojan module may also be enabled as part of some of the infections — it will gather all harvested information and send it to the criminals via a network connection.
The main ransomware engine will be started as soon as all prior modules have finished running. It will encrypt files with a strong cipher and render them locked — the victims will be manipulated into paying the hackers a fee. The .RekenSom extension will be used to mark the affected files. A ransomware note called HELP_ME_RECOVER_MY_FILES.txt will be created and will contain the hacker instructions.
Remove .RekenSom Virus
If your computer system got infected with the .RekenSom Files ransomware virus, you should have a bit of experience in removing malware. You should get rid of this ransomware as quickly as possible before it can have the chance to spread further and infect other computers. You should remove the ransomware and follow the step-by-step instructions guide provided below.
Martin Beltov
Martin graduated with a degree in Publishing from Sofia University. As a cyber security enthusiast he enjoys writing about the latest threats and mechanisms of intrusion.
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Step 1: Scan for .RekenSom Virus with SpyHunter Anti-Malware Tool
Ransomware Automatic Removal - Video Guide
Step 2: Uninstall .RekenSom Virus and related malware from Windows
Here is a method in few easy steps that should be able to uninstall most programs. No matter if you are using Windows 10, 8, 7, Vista or XP, those steps will get the job done. Dragging the program or its folder to the recycle bin can be a very bad decision. If you do that, bits and pieces of the program are left behind, and that can lead to unstable work of your PC, errors with the file type associations and other unpleasant activities. The proper way to get a program off your computer is to Uninstall it. To do that:
Follow the instructions above and you will successfully delete most unwanted and malicious programs.
Step 3: Clean any registries, created by .RekenSom Virus on your computer.
The usually targeted registries of Windows machines are the following:
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
You can access them by opening the Windows registry editor and deleting any values, created by .RekenSom Virus there. This can happen by following the steps underneath:
Tip: To find a virus-created value, you can right-click on it and click "Modify" to see which file it is set to run. If this is the virus file location, remove the value.
Before starting "Step 4", please boot back into Normal mode, in case you are currently in Safe Mode.
This will enable you to install and use SpyHunter 5 successfully.
Step 4: Boot Your PC In Safe Mode to isolate and remove .RekenSom Virus
Step 5: Try to Restore Files Encrypted by .RekenSom Virus.
Method 1: Use STOP Decrypter by Emsisoft.
Not all variants of this ransomware can be decrypted for free, but we have added the decryptor used by researchers that is often updated with the variants which become eventually decrypted. You can try and decrypt your files using the instructions below, but if they do not work, then unfortunately your variant of the ransomware virus is not decryptable.
Follow the instructions below to use the Emsisoft decrypter and decrypt your files for free. You can download the Emsisoft decryption tool linked here and then follow the steps provided below:
1 Right-click on the decrypter and click on Run as Administrator as shown below:
2. Agree with the license terms:
3. Click on "Add Folder" and then add the folders where you want files decrypted as shown underneath:
4. Click on "Decrypt" and wait for your files to be decoded.
Note: Credit for the decryptor goes to Emsisoft researchers who have made the breakthrough with this virus.
Method 2: Use data recovery software
Ransomware infections and .RekenSom Virus aim to encrypt your files using an encryption algorithm which may be very difficult to decrypt. This is why we have suggested a data recovery method that may help you go around direct decryption and try to restore your files. Bear in mind that this method may not be 100% effective but may also help you a little or a lot in different situations.
Simply click on the link and on the website menus on the top, choose Data Recovery - Data Recovery Wizard for Windows or Mac (depending on your OS), and then download and run the tool.
.RekenSom Virus-FAQ
What is .RekenSom Virus Ransomware?
.RekenSom Virus 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.
What Does .RekenSom Virus Ransomware Do?
Ransomware in general is a malicious software that is designed to block access to your computer or files until a ransom is paid.
Ransomware viruses can also damage your system, corrupt data and delete files, resulting in the permanent loss of important files.
How Does .RekenSom Virus Infect?
Via several ways..RekenSom Virus 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.
Another way you may become a victim of .RekenSom Virus 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 ..RekenSom Virus files?
You can't without a decryptor. At this point, the ..RekenSom Virus files are encrypted. You can only open them once they are decrypted using a specific decryption key 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 ..RekenSom Virus files successfully, then do not despair, because this virus is still new.
Can I Restore "..RekenSom Virus" Files?
Yes, sometimes files can be restored. We have suggested several file recovery methods that could work if you want to restore ..RekenSom Virus 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 .RekenSom Virus 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 .RekenSom Virus ransomware and then remove it without causing any additional harm to your important ..RekenSom Virus files.
Can I 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 .RekenSom Virus 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.
In many cases, the malware authors or attackers will threaten to delete the data or publish it online unless the ransom is paid.
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.
Can a 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 .RekenSom Virus Research
The content we publish on SensorsTechForum.com, this .RekenSom Virus 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.
Furthermore, the research behind the .RekenSom Virus ransomware threat is backed with VirusTotal and the NoMoreRansom project.
To better understand the ransomware threat, please refer to the following articles which provide knowledgeable details.
As a site that has been dedicated to providing free removal instructions for ransomware and malware since 2014, SensorsTechForum’s recommendation is to only pay attention to trustworthy sources.
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