Grovas ransomware is a file locking malware that makes the data useless by using AES encryption algorithm and then demands $980 for the decryptor
Grovas is a file locking virus that attacks users via spam email attachments or gets installed via pirated software installers
Questions about Grovas ransomware
Grovas ransomware is yet another variant of Djvu virus family, which was discovered shortly after similar versions – .drume, .chech and .kropun. The malware is known to use contaminated executables hosted on pirated software hosting sites or via the spam email attachments/hyperlinks. Soon after the infection, the virus scans the device for files to encrypt – photos, videos, documents, etc. then receive a file extension .grovas. It then contacts a remote Command & Control server to send out a unique identifier and receives a decryptor. The communication also provides the victim with a ransom note _readme.txt, and the body text is identical to previous versions of STOP/Djvu. It explains that users have to contact bad actors via firstname.lastname@example.org or email@example.com and pay $980 in Bitcoin to retrieve the decryption key.
|Infection means||Spam emails, malicious executables on pirated software hosting sites|
|Related files||_readme.txt, 18B1.tmp.exe|
|Ransom size||$980 or $490 with a 50% discount|
|Termination||Scan your PC with professional security software|
|Recovery||Use ReimageIntego to restore Windows to its previous state|
STOP ransomware family, which Grovas virus belongs to, is one of the most prominent malware strings currently. Not so long ago, security researchers uncovered that some versions of also deliver data-stealer AZORult. For that reason, it is vital to remove Grovas ransomware, along with secondary payloads, as soon as possible.
Users who get infected with Grovas ransomware usually panic, as the presence of the infection is can be noticed straight away. For example, each file that the user tries to open, will not work: a picture.jpg will be turned into picture.jpg.grovas. Additionally, users will be able to view the ransom note that explains everything:
Don’t worry my friend, 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:
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” folder if you don’t get answer more than 6 hours.
To get this software you need write on our e-mail:
Reserve e-mail address to contact us:
Your personal ID:
As evident, hackers want to gain victims' trust by offering test decryption, allegedly guaranteeing the decryptor if payment would be made. However, how can you trust somebody that deceived you into installing Grovas file virus onto your device? These people are crooks, and should never be trusted.
Therefore, do not listen to hackers and do not contact them. Instead, use a security application for Grovas ransomware removal. The malware is recognized by AV vendors using the following names:
- a variant of Win32/Kryptik.GRJK
- Trojan:Win32/Skeeyah.A!rfn, etc.
Once you terminate the Grovas ransomware, you can attempt to recover your data. If you do not have backups, you can try third-party software that might be able to help. Finally, you should also scan your PC with ReimageIntego in order to recover from malware infection.
Grovas ransomware is a file locking virus that belongs to STOP/Djvu virus family
Comprehensive precautionary measures might prevent ransomware from locking your files
There are several ransomware distribution methods; some of them are more primitive (spam emails), others – more sophisticated (exploit kits). Be aware that each of the crypto viruses might be delivered using whichever methods the attackers want, and, in most cases, they employ several different means.
Therefore, you should always be aware that only running security software on your device is not enough. Thus, security experts recommend taking up these preventive measures:
- Backup all your personal files on a remote server or an external device (Flash, HDD);
- Spam emails that include hyperlinks or attachments most likely contain the malicious payload of ransomware – scan with tools like Virus Total before opening;
- Install additional security tools: real-time scanners, anti-exploit software, Firewall, etc.;
- Keep your operating system and all the installed programs up to date;
- Use an ad-blocker (however, do not forget to add exclusions to sites you want to support);
- Do not download/use cracks or keygens.
Use these instructions to stop Grovas ransomware infection and only then try to recover your data
Grovas virus is ransomware, so it is a sophisticated computer infection that should not be terminated manually. The threat performs a variety of changes to Windows OS, so restoring them manually would be almost impossible (at least for regular users). Therefore, to remove Grovas ransomware, you should rely on powerful security software.
If you do not have a security application installed, download and install a reliable one. Before scanning your device, use our instructions to enter Safe Mode with Networking in order to disable the virus temporarily. Once you complete Grovas ransomware removal, you can attempt the file recovery using third-party tools. Additionally, you should store the locked files somewhere in case alternative options do not work, as security researchers already deciphered many of STOP ransomware versions.
To remove Grovas virus, follow these steps:
Manual Grovas removal using Safe Mode
If .grovas file virus is tampering with your security software, enter Safe Mode with Networking:
Manual removal guide might be too complicated for regular computer users. It requires advanced IT knowledge to be performed correctly (if vital system files are removed or damaged, it might result in full Windows compromise), and it also might take hours to complete. Therefore, we highly advise using the automatic method provided above instead.
Step 1. Access Safe Mode with Networking
Manual malware removal should be best performed in the Safe Mode environment.
Windows 7 / Vista / XP
- Click Start > Shutdown > Restart > OK.
- When your computer becomes active, start pressing F8 button (if that does not work, try F2, F12, Del, etc. – it all depends on your motherboard model) multiple times until you see the Advanced Boot Options window.
- Select Safe Mode with Networking from the list.
Windows 10 / Windows 8
- Right-click on Start button and select Settings.
- Scroll down to pick Update & Security.
- On the left side of the window, pick Recovery.
- Now scroll down to find Advanced Startup section.
- Click Restart now.
- Select Troubleshoot.
- Go to Advanced options.
- Select Startup Settings.
- Press Restart.
- Now press 5 or click 5) Enable Safe Mode with Networking.
Step 2. Shut down suspicious processes
Windows Task Manager is a useful tool that shows all the processes running in the background. If malware is running a process, you need to shut it down:
- Press Ctrl + Shift + Esc on your keyboard to open Windows Task Manager.
- Click on More details.
- Scroll down to Background processes section, and look for anything suspicious.
- Right-click and select Open file location.
- Go back to the process, right-click and pick End Task.
- Delete the contents of the malicious folder.
Step 3. Check program Startup
- Press Ctrl + Shift + Esc on your keyboard to open Windows Task Manager.
- Go to Startup tab.
- Right-click on the suspicious program and pick Disable.
Step 4. Delete virus files
Malware-related files can be found in various places within your computer. Here are instructions that could help you find them:
- Type in Disk Cleanup in Windows search and press Enter.
- Select the drive you want to clean (C: is your main drive by default and is likely to be the one that has malicious files in).
- Scroll through the Files to delete list and select the following:
Temporary Internet Files
- Pick Clean up system files.
- You can also look for other malicious files hidden in the following folders (type these entries in Windows Search and press Enter):
After you are finished, reboot the PC in normal mode.
Remove Grovas using System Restore
Safe Mode can also be used for malware termination:
Step 1: Reboot your computer to Safe Mode with Command Prompt
Windows 7 / Vista / XP
- Click Start → Shutdown → Restart → OK.
- When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
- Select Command Prompt from the list
Windows 10 / Windows 8
- Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
- Now select Troubleshoot → Advanced options → Startup Settings and finally press Restart.
- Once your computer becomes active, select Enable Safe Mode with Command Prompt in Startup Settings window.
Step 2: Restore your system files and settings
- Once the Command Prompt window shows up, enter cd restore and click Enter.
- Now type rstrui.exe and press Enter again..
- When a new window shows up, click Next and select your restore point that is prior the infiltration of Grovas. After doing that, click Next.
- Now click Yes to start system restore.
Bonus: Recover your dataGuide which is presented above is supposed to help you remove Grovas from your computer. To recover your encrypted files, we recommend using a detailed guide prepared by 2-spyware.com security experts.
If your files are encrypted by Grovas, you can use several methods to restore them:
Data Recovery Pro might be able to help you restore your locked files
Data Recovery Pro is professional software that might be able to help you recover at least some of the files.
- Download Data Recovery Pro;
- Follow the steps of Data Recovery Setup and install the program on your computer;
- Launch it and scan your computer for files encrypted by Grovas ransomware;
- Restore them.
Make use of Windows Previous Versions Feature
Windows Previous Versions Feature is an option for those who had System Restore enabled prior to the ransomware attack.
- Find an encrypted file you need to restore and right-click on it;
- Select “Properties” and go to “Previous versions” tab;
- Here, check each of available copies of the file in “Folder versions”. You should select the version you want to recover and click “Restore”.
ShadowExplorer might be able to restore all of your data under certain cicrumstances
If you were lucky enough and Grovas ransomware failed to delete Shadow Volume Copies, you should be able to restore all your files without any problems.
- Download Shadow Explorer (http://shadowexplorer.com/);
- Follow a Shadow Explorer Setup Wizard and install this application on your computer;
- Launch the program and go through the drop down menu on the top left corner to select the disk of your encrypted data. Check what folders are there;
- Right-click on the folder you want to restore and select “Export”. You can also select where you want it to be stored.
No decryptor is currently available
Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from Grovas and other ransomwares, use a reputable anti-spyware, such as ReimageIntego, SpyHunter 5Combo Cleaner or Malwarebytes
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Recover files after data-affecting malware attacks
While much of the data can be accidentally deleted due to various reasons, malware is one of the main culprits that can cause loss of pictures, documents, videos, and other important files. More serious malware infections lead to significant data loss when your documents, system files, and images get encrypted. In particular, ransomware is is a type of malware that focuses on such functions, so your files become useless without an ability to access them.
Even though there is little to no possibility to recover after file-locking threats, some applications have features for data recovery in the system. In some cases, Data Recovery Pro can also help to recover at least some portion of your data after data-locking virus infection or general cyber infection.