.SENRUS17 Files Virus – How to Remove and Restore Files (OCT 2017)

by Ventsislav Krastev | October 11, 2017 | 0 Comments file-encryption, ransomware, RotorCrypt

This article aims to help you remove .SENRUS files ransomware (RotorCrypt) from your computer and restore files that have been encrypted by it on your computer system.

New variant of the RotorCrypt ransomware viruses, known as .SENRUS17 file virus, has been reported to cause immense damage on the files of the computers it infects. Luckily this virus only encrypt the files and does not damage them permanently, meaning they cannot be opened until the victims pay a hefty ransom fee to get back the files that have been encrypted by it on their PC’s. If your PC has been infected by the .SENRUS17 files virus and you are looking for a way to remove this ransomware and restore your encrypted files without paying the ransom, we recommend you to read this article.

Threat Summary

Name	.SENRUS17 Virus
Type	Ransomware, Cryptovirus
Short Description	Encrypts the files on your computer adding a custom file extension and demands ransom payoff in BitCoin to get them back.
Symptoms	The files on the victim’s computer are encrypted with the added .SENRUS17 file extension.
Distribution Method	Spam Emails, Email Attachments, Executable files
Detection Tool	See If Your System Has Been Affected by malware Download Malware Removal Tool
User Experience	Join Our Forum to Discuss .SENRUS17 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.

.SENRUS17 Files Virus – Distribution

The infection process of this ransomware virus is conducted primarily via spammed e-mails. Such messages often aim to trick potential victims into opening the e-mail attachments on them or clicking on a malicious web link related to them where the actual infection file can be found. Here is one example of such malicious e-mail which has linked the infection file download page directly In the e-mail:

Since the actual infection file is linked via Dropbox, which is one of the biggest cloud-sharing services, the malware cannot be blocked from the e-mail provider.

Besides via e-mail, the .SENRUS17 variant of RotorCrypt is a ransomware virus that may also be spread via other methods, such as being integrated in multiple different types of fake programs, like setups of freeware, fake game installers, fake game patches and cracks.

.SENRUS17 Files Virus – More Information

In addition to having multiple different types of methods to infect your, .SENRUS17 files virus has various functions that allow it to perform a set of malicious activities on your infected computer. These ultimately result in your files becoming encrypted.

The first set of activities which .SENRUS17 ransomware performs is to drop it’s malicious payload on your computer, after which executes it. The payload may be located in the following Windows directories:

%AppData%t
%Local%
%LocalLow%
%Roaming%

In addition to this, the ransomware virus also aims to modify the Windows Registry Editor of your computer system. To do that, .SENRUS17 file virus may add custom Windows registry values in the Run and RunOnce sub-keys, making the malware to automatically run on Windows boot:

→ 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

After doing so, the virus may also obtain administrative permissions with the purpose to run commands as an administrator on your computer in order to delete the Windows Shadow volume copies:

→ process call create “cmd.exe /c vssadmin.exe delete shadows /all /quiet & bcdedit.exe /set {default} recoveryenabled no & bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures”

.SENRUS17 Ransomware – Encryption Process

The encryption of .SENRUS17 files virus is conducted in a similar way to other RotorCrypt variants. The virus uses the RSA encryption algorithm to generate unique private and public encryption keys for the encrypted files. The types of files this virus scans for are from different types, and they are reported by researchers to have the following file extensions:

→ .1cd, .avi, .bak, .bmp, .cf, .cfu, .csv, .db, .dbf, .djvu, .doc, .docx, .dt, .elf, .epf, .erf, .exe, .flv, .geo, .gif, .grs, .jpeg, .jpg, .lgf, .lgp, .log, .mb, .mdb, .mdf, .mxl, .net, .odt, .pdf, .png, .pps, .ppt, .pptm, .pptx, .psd, .px, .rar, .raw, .st, .sql, .tif, .txt, .vob, .vrp, .xls, .xlsb, .xlsx, .xml, .zip

After the files have been detected this ransomware encrypts them and adds the “!==solve a problem==stritinge@gmail.com===.SENRUS17” file extension to them. This results in the files beginning to look like the following:

The RotorCrypt ransomware variants have all similar file extensions and this does not exclude all the previous variants, which have so far used the following extensions:

→ !-=solve a problem=-=grandums@gmail.com=-.PRIVAT66
!_____INKASATOR@TUTAMAIL.COM____.ANTIDOT
_______PIFAGORMAIL@tutanota.com_____.rar
!______PIFAGORMAIL@tutanota.com______.SPG
!______DILIGATMAIL7@tutanota.com______.OTR
________DILIGATMAIL@tutanota.com________.pgp
edgar4000@protonmail.com____.granit
!____hamil8642@gmail.com___.GRANIT
!_____DILINGER7900@GMAIL.COM_____.GRANIT
!_____GEKSOGEN911@GMAIL.COM____.c300

Remove .SENRUS17 Files Ransomware and Restore Encrypted Files

If you want to remove this ransomware infection from your computer, recommendations are to focus on removing it by following either the manual or automatic instructions below. Even though manual removal may seem like the way to go, malware researchers and security analysts often advise removing viruses, like .SENRUS17 ransomware automatically using an advanced anti-malware software. Such will make sure that all of the related files to this virus are removed from your computer automatically and your PC is protected against future infections as well.

If you are looking for methods to recover files that have been encrypted with the .SENRUS17 file extension, we recommend that you follow our alternative methods for file recovery below in step “2. Restore files encrypted by .SENRUS17 Virus”. They are specifically designed to help you recover as many files as possible without paying the ransom.

Ventsislav Krastev

Ventsislav is a cybersecurity expert at SensorsTechForum since 2015. He has been researching, covering, helping victims with the latest malware infections plus testing and reviewing software and the newest tech developments. Having graduated Marketing as well, Ventsislav also has passion for learning new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management, Network Administration and Computer Administration of System Applications, he found his true calling within the cybersecrurity industry and is a strong believer in the education of every user towards online safety and security.

How to Remove .SENRUS17 Virus from Windows.

Step 1: Boot Your PC In Safe Mode to isolate and remove .SENRUS17 Virus

OFFER

Manual Removal Usually Takes Time and You Risk Damaging Your Files If Not Careful!

We Recommend To Scan Your PC with SpyHunter

Keep in mind, that SpyHunter’s scanner is only for malware detection. If SpyHunter detects malware on your PC, you will need to purchase SpyHunter's malware removal tool to remove the malware threats. Read our SpyHunter 5 review. Click on the corresponding links to check SpyHunter's EULA, Privacy Policy and Threat Assessment Criteria

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".

Tip: Make sure to reverse those changes by unticking Safe Boot after that, because your system will always boot in Safe Boot from now on.

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 .SENRUS17 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 .SENRUS17 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 .SENRUS17 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.

IMPORTANT!
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 .SENRUS17 Virus with SpyHunter Anti-Malware Tool

1. Click on the "Download" button to proceed to SpyHunter's download page.

Download

Malware Removal Tool

It is recommended to run a scan before purchasing the full version of the software to make sure that the current version of the malware can be detected by SpyHunter. Click on the corresponding links to check SpyHunter's EULA, Privacy Policy and Threat Assessment Criteria.

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.

If any threats have been removed, it is highly recommended to restart your PC.

Step 5 (Optional): Try to Restore Files Encrypted by .SENRUS17 Virus.

Ransomware infections and .SENRUS17 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 reccomended Data Recovery software by clicking on the link underneath:

EaseUS Data Recovery Software

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.

Windows Mac OS X

Get rid of .SENRUS17 Virus from Mac OS X.

Step 1: Uninstall .SENRUS17 Virus and remove related files and objects

OFFER

Manual Removal Usually Takes Time and You Risk Damaging Your Files If Not Careful!

We Recommend To Scan Your Mac with SpyHunter for Mac

Keep in mind, that SpyHunter for Mac needs to purchased to remove the malware threats. Click on the corresponding links to check SpyHunter’s EULA and Privacy Policy

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 .SENRUS17 Virus:

Tip: To quit a process completely, choose the “Force Quit” option.

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 .SENRUS17 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 .SENRUS17 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 .SENRUS17 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:

Disclaimer! If you are about to tamper with Library files on Mac, be sure to know the name of the virus file, because if you delete the wrong file, it may cause irreversible damage to your MacOS. Continue on your own responsibility!

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 .SENRUS17 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.

Click the button below below to download SpyHunter for Mac and scan for .SENRUS17 Virus:

Download

SpyHunter for Mac

Step 3 (Optional): Try to Restore Files Encrypted by .SENRUS17 Virus.

1. Download the reccomended Data Recovery software by clicking on the link underneath:

EaseUS Data Recovery Software

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.

.SENRUS17 Virus FAQ

What is .SENRUS17 Virus ransomware and how does it work?

.SENRUS17 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 .SENRUS17 Virus ransomware infect my computer?

Via several ways..SENRUS17 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 .SENRUS17 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 ..SENRUS17 Virus files?

You can't. At this point the ..SENRUS17 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 ..SENRUS17 Virus files successfully, then do not despair, because this virus is still new.

One way to restore files, encrypted by .SENRUS17 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 "..SENRUS17 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 ..SENRUS17 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 .SENRUS17 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 .SENRUS17 Virus ransomware and then remove it without causing any additional harm to your important ..SENRUS17 Virus files.

Also, keep in mind that viruses like .SENRUS17 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.

.SENRUS17 Files Virus – How to Remove and Restore Files