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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Malware Removal 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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Attention! SensorsTechForum strongly recommends that all malware victims should look for assistance only by reputable sources. Many guides out there claim to offer free recovery and decryption for files encrypted by ransomware viruses. Be advised that some of them may only be after your money.
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.
How to recognize trustworthy sources:
- Always check "About Us" web page.
- Profile of the content creator.
- Make sure that real people are behind the site and not fake names and profiles.
- Verify Facebook, LinkedIn and Twitter personal profiles.
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.
References
1. How to Recognize Spam Emails with Ransomware
2. How Does Ransomware Encryption Work?
3. How to Decrypt Ransomware Files
4. Ransomware Getting Greedier and Bigger, Attacks Increase by 40%
5. 1 in 5 Americans Victim of Ransomware
- Guide 1: How to Remove .RekenSom Virus from Windows.
- Guide 2: Get rid of .RekenSom Virus from Mac OS X.
How to Remove .RekenSom Virus from Windows.
Step 1: Boot Your PC In Safe Mode to isolate and remove .RekenSom Virus
1. Hold Windows Key + R.
2. The "Run" Window will appear. In it, type "msconfig" and click OK.
3. Go to the "Boot" tab. There select "Safe Boot" and then click "Apply" and "OK".
4. When prompted, click on "Restart" to go into Safe Mode.
5. You can recognise Safe Mode by the words written on the corners of your screen.
Step 2: Uninstall .RekenSom Virus and related software 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:
1. Hold the Windows Logo Button and "R" on your keyboard. A Pop-up window will appear.
2. In the field type in "appwiz.cpl" and press ENTER.
3. This will open a window with all the programs installed on the PC. Select the program that you want to remove, and press "Uninstall"
Follow the instructions above and you will successfully uninstall most 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:
1. Open the Run Window again, type "regedit" and click OK.
2. When you open it, you can freely navigate to the Run and RunOnce keys, whose locations are shown above.
3. You can remove the value of the virus by right-clicking on it and removing it.
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: Scan for .RekenSom Virus with SpyHunter Anti-Malware Tool
1. Click on the "Download" button to proceed to SpyHunter's download page.
2. After you have installed SpyHunter, wait for it to update automatically.
3. After the update process has finished, click on the 'Malware/PC Scan' tab. A new window will appear. Click on 'Start Scan'.
4. After SpyHunter has finished scanning your PC for any files of the associated threat and found them, you can try to get them removed automatically and permanently by clicking on the 'Next' button.
Video Guide for Automatic and Fast Removal
Step 5 (Optional): Try to Restore Files Encrypted by .RekenSom Virus.
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.
1. Download the recommended Data Recovery software by clicking on the link underneath:
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.
Step 6: How to Restore Files Encrypted by Ransomware (Video Guide)
Get rid of .RekenSom Virus from Mac OS X.
Step 1: Uninstall .RekenSom Virus and remove related files and objects
1. Hit the ⇧+⌘+U keys to open Utilities. Another way is to click on “Go” and then click “Utilities”, like the image below shows:
2. Find Activity Monitor and double-click it:
3. In the Activity Monitor look for any suspicious processes, belonging or related to .RekenSom Virus:
4. Click on the "Go" button again, but this time select Applications. Another way is with the ⇧+⌘+A buttons.
5. In the Applications menu, look for any suspicious app or an app with a name, similar or identical to .RekenSom Virus. If you find it, right-click on the app and select “Move to Trash
”.
6. Select Accounts, after which click on the Login Items preference.
Your Mac will then show you a list of items that start automatically when you log in. Look for any suspicious apps identical or similar to .RekenSom Virus. Check the app you want to stop from running automatically and then select on the Minus (“-“) icon to hide it.
7. Remove any left-over files that might be related to this threat manually by following the sub-steps below:
- Go to Finder.
- In the search bar type the name of the app that you want to remove.
- Above the search bar change the two drop down menus to “System Files” and “Are Included” so that you can see all of the files associated with the application you want to remove. Bear in mind that some of the files may not be related to the app so be very careful which files you delete.
- If all of the files are related, hold the ⌘+A buttons to select them and then drive them to “Trash”.
In case you cannot remove .RekenSom Virus via Step 1 above:
In case you cannot find the virus files and objects in your Applications or other places we have shown above, you can manually look for them in the Libraries of your Mac. But before doing this, please read the disclaimer below:
1: Click on "Go" and Then "Go to Folder" as shown underneath:
2: Type in "/Library/LauchAgents/" and click Ok:
3: Delete all of the virus files that have similar or the same name as .RekenSom Virus. If you believe there is no such file, do not delete anything.
You can repeat the same procedure with the following other Library directories:
→ ~/Library/LaunchAgents
/Library/LaunchDaemons
Tip: ~ is there on purpose, because it leads to more LaunchAgents.
Step 3 (Optional): Try to Restore Files Encrypted by .RekenSom Virus.
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.
1. Download the recommended Data Recovery software by clicking on the link underneath:
Simply click on the link and on the website menus on 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 and how does it work?
.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 algorithm how 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.
How does .RekenSom Virus ransomware infect my computer?
Via several ways..RekenSom Virus Ransomware infects computers by being sent via phishing e-mails, 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 .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. At this point the ..RekenSom Virus files are encrypted. You can only open them once they are decrypted.
Decryptor did not decrypt my data. What now?
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.
One way to restore files, encrypted by .RekenSom Virus ransomware is to use a decryptor for it. But since it's a new virus, advised that the decryption keys for it may not be out yet and available to the public. We will update this article and keep you posted as soon as this decryptor is released.
How Do I restore "..RekenSom Virus" files (Other Methods)?
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% guarantee that you will be able to get your files back. But if you have a backup, your chances of success are much greater.
How do I get rid of .RekenSom Virus ransomware virus?
The safest way and the most efficient one for the removal of this ransomware infection is the use a professional anti malware software. It will scan for and locate .RekenSom Virus ransomware and then remove it without causing any additional harm to your important ..RekenSom Virus files.
Also, keep in mind that viruses like .RekenSom Virus ransomware also install Trojans and keyloggers that can steal your passwords and accounts. Scanning your computer with an anti-malware software will make sure that all of these virus components are removed and your computer is protected in the future.
What to Do If nothing works?
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 it can be re-downloaded from the web.
- Another clever way to get back some of your files 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.
