Rook Virus Ransomware
The Rook stands for a ransomware-type infection. The virus comes from the Babuk ransomware family. Rook was elaborated particularly to encrypt all major file types. When the file is encrypted people are not able to use them. Rook adds the “.Rook” extension for each file encrypted by it. For example, the file “myphoto.jpg“, once encrypted by Rook, will be renamed into “myphoto.jpg.Rook“. As quickly as the encryption is finished, Rook places a special text file into every folder containing the encrypted data.The message given by Rook text file requesting for the ransom is absolutely the like the statements given by other ransomware virus representatives belonging to the Babuk family. It actually mentions that the information is encrypted and that the only way to restore it is to use a a special decryption key. Unfortunately, this is definitely true. The sort of cryptography mechanism used by Rook is still not correctly examined. Still, it is definitely particular that each victim might be given the specific decryption key, which is totally distinct. It is impossible to bring back the files without the key available.
Another technique of Rook is that the victims cannot gain access to the key. The key is saved on a specific server run by the frauds related to Rook ransomware. To get the key and recover the important information people need to pay the ransom.
Rook encrypted your documents, but that might not be the only damage done to you. The ransomware might still be hidingon your computer. To identify whether this holds true, we suggest downloading GridinSoft Anti-Malware.
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Nevertheless, irrespective of the requested quantity, people should keep away from paying the ransom virus. Cyber frauds are unfair, so they tend to entirely disregard what their victims feel about the issue, even when the payment reaches their pockets. This is why paying the ransom typically does not provide any positive result and people simply waste their money for absolutely nothing.
We highly recommend that you do not contact these crooks and certainly do not transfer money into their accounts. It is said to admit that there are no utilities able to crack Rook ransomware and to recover the information data free of charge. Hence, the just best decision is to recover the lost data from the available backup.
Virus Summary
| Name | Rook Ransomware |
| File Extension | .Rook |
| Type | Ransomware |
| Family | Babuk |
| Short Description | The ransomware encrypts all the data stored on your system and requires a ransom to be paid on your part supposedly to recover your important files. |
| Symptoms | File encryption by the ransomware is performed by means of the AES and RSA encryption algorithms. Once the encryption is completed, the ransomware adds its special Rook extension to all the files modified by it. |
| Distribution Method | Spam Emails, Email Attachments |
| Removal Tool | GridinSoft Anti-Malware |
Keep in mind that the internet is now overwhelmed with threats that look comparable to Rook ransomware. Destructive programs of such kind are normally elaborated to encrypt crucial information and to set forth the need before the user to pay the ransom. The peculiarity of all such ransomware threats is that all apply a similar algorithm to generate the special decryption key for files decryption.
Thus, as long as the ransomware is still being developed or has some hidden bugs, manually recovering the information is just not feasible. The only method to avoid the loss of your important files is to regularly create backups of your important information.
Remember that even if you create such backups, they should be put into a special storage utility not connect to your main PC. You may use the USB Flash Drive or external hard disk for this purpose, or refer to the help of the cloud storage. If you store your backup files on your common system they may be encrypted together with other files, so it’s absolutely not a good storage place.
How did ransomware infect my PC?
There are several ways used by online scams to distribute Rook ransom virus. Although it doubts how precisely Rook injects your system, there are some leaks through which it may infiltrate the system:
- integration with third-party apps, especially freeware;
- spam e-mails from unknown senders;
- websites rendering free hosting services;
- pirated peer-to-peer (P2P) downloads.
Typically Rook virus might be presented as some genuine software application, for instance, in the pop-ups instructing users to execute some important software application updates. This is the typical trick used by online scams to persuade people into downloading and installing Rook infection manually, by methods of their direct participation in the installation process.
Furthermore, the criminals might describe various email spam methods to inject destructive codes into systems. So, they may refer to to sending unsolicited spam e-mails with tricky notices promoting users to download the attachments or click on certain download links, for example, the ones motivating users to open some receipts, documents, tax reports or invoices.
Needless to mention, opening such files or clicking on such dangerous links may seriously harm the PC. Fictitious Adobe Flash Player update informs may result in Rook virus injection. When it comes to the cracked applications, these illegally downloaded programs may likewise include harmful codes causing Rook secret installation. Lastly, injection of Rook may take place by ways of Trojans that privately get injected into the system and install malicious tools without the user’s permission.
Is there any way to avoid the injection of Rook ransomware?
Despite the fact that there is no 100% guarantee to avoid your system from getting infected, there are some pieces of advice we want to show with you. Firstly, be really mindful when you browse the web and especially while downloading totally free programs. Stay away from opening suspicious email attachments, especially when the sender of the email is not familiar to you.
Keep in mind that some freeware installers may contain other unwanted utilities in the bundle, so they may be destructive. Make sure that your current anti-virus and your entire operating system is always duly updated.
Obviously, downloading pirated software is prohibited and may lead to essential damage to be made for your PC. Thus, stay away from downloading cracked software. You are likewise strongly recommended to reconsider your existing security software and perhaps switch to another security solution that can render better services of defending your PC.
Screenshot of files with “.Rook” extension added by the ransomware:
Use GridinSoft Anti-Malware to remove Rook ransomware from your computer
1.Download GridinSoft Anti-Malware.
You can download GridinSoft Anti-Malware by clicking the button below:
2. Double-click on the setup file.
When setup file has finished downloading, double-click on the setup-antimalware-ag.exe file to install GridinSoft Anti-Malware on your computer.
An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.
3. Press Install button for run GridinSoft Anti-Malware.
3.Once installed, GridinSoft Anti-Malware will automatically run.
4. Wait for the GridinSoft Anti-Malware scan to complete.
GridinSoft Anti-Malware will automatically start scanning your computer for Win Speedup 2018 and other malicious programs. This process can take a 20-30 minutes, so we suggest you periodically check on the status of the scan process.
5. Click on “Clean Now”.
When the scan has completed, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.
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