Coba is classified by our virus analyst team as the DJVU cryptoware family. Another variants of this family here: About STOP/Djvu Ransomware. There are certain scanners that skip it as well as therefore permitting its intrusion. Actually, we have to call it that, because of the “.coba” extension that it joins at the end of your data.
Let’s clarify. Coba infection hits your computer through slyness and skill also. After that, once intruded it makes use of AES or RSA encryption algorithms to hold your records.
Coba encrypted your files, but that might not be the only damage done to you. The viruses might still be in your computer. To remove them, we suggest downloading GridinSoft Anti-Malware.
Download GridinSoft Anti-Malware
Then, they blackmail you for their release. After Coba slips right into your computer, it places every one of your data under lock-down. It appends its very peculiar extension “.coba” at the end, thus making records isolated.
Files with “.coba” extension appended by the Coba virus:
It attacks records, archives, photos, music, videos, all of it! Thereafter, you can’t longer view them. Displacing files or retitling it will not assist. The only means to release your documents from the ransomware’s keep is deciphering. The ransomware is aimed you to disburse ransom money if you wish to get your data back. It makes that clear (in the blackmail note) it will decrypt data after defrayal.
The message is ordinarily a text file, left on your desktop. You can also find it in any directory that has encrypted files. It describes your troubles and also suggests you a solution. According to Coba, the only means to release your records is with out-and-outer decoding key. And also, to obtain it you have to disburse a payoff. The amount is $980, as well as it’s generally asked for in Bitcoins.
The message by the Coba virus states the following info:
ATTENTION! Don't worry, 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: https://we.tl/t-WbgTMF1Jmw 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" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: firstname.lastname@example.org Reserve e-mail address to contact us: email@example.com Our Telegram account: @datarestore Your personal ID: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
Do NOT pay for decrypt of “coba” files!
The Coba malware guarantees, to send you the code after you pay. As well as, that’s it. That’s all you obtain – a promise. You have no guarantees that obedience results in something appropriate. Do not rely on words of cyber criminals. That is people, that will scam you. Do NOT pay them a cent. Don’t call them Do NOT comply with their needs.
How did my PC got harmed by Coba?
Your computers get corrupted with the Coba malware because of your failure to be on alert. Some people do not notice essential details while using the web or installing various programs.
The Coba malware uses the old yet gold rapacious techniques to deceive you. And slips past you unobserved. That includes masking behind broken web links, sites, and torrents. It applies free tools as a way to hide itself. And shapes as a fake system or application update. Like, Adobe Flash Player or Java.
Yet more often than not, it utilizes junk emails. You obtain an email that seems to find from a well-known business. Like, Amazon or PayPal. And, the email incites you to follow a web link, or download and install an tool. If you do, you end up with virus.
Remember that these types of risks are fooling your inadvertence. They need you to hurry and miss doing due diligence. That eases their covert infiltration. They rest on you to leave your fate to chance. Do not! Do not take rashness over care. One keeps viruses out. The other welcomes them in.
Consequently, do not disburse them a fee. Don’t contact to the internet frauds. If you do, you’ll regret it. It’s a futile try to return your records, as well as it will not end well for you. Below’s why.
There are a few cases that can interpret when you see the redemption funds note on your desctop. Claim, you make a decision to concede. You connect to the racketeers, send their buyout funds, and wait. You wait on them to send you the decoding trick they guaranteed. Well, what happens if they do not?
Nevertheless, you have no warranties. All, you rest on, is a faith. Can you absolutely think pledges of internet frauds? The answer is ‘No.’ These are individuals, who will clearly disenchant you. Don’t send money! There’s also another choice.
They can send you a decryption code. However, when you try to apply it, it fails to work.
Yes, they can send you the unfaithful code. After that, you have much less currency, as well as your information continues to be locked. Don’t pay! And also your top case isn’t a reason for delight. What takes place after you pay the buyout cash, obtain the appropriate trick, as well as totally free your documents? Well? Consider it. You paid fee to eliminate a sign and symptom, yet not the malware triggering it.
So, you eliminate the enciphering, yet the Coba cryptoware stays. It’s still slinking in the corners of your system, complimentary to strike once again. After that, you’re back at a new start.
Why is Coba unsafe?
Moreover, to encipher a victim’s records, the Coba malware has also started to install the Azorult Spyware on PC to steal account passwords, cryptocurrency wallets, desktop documents, and more.
So, your computer got attacked by Coba and also probably you have actually lost time trying to fix it manually. We are absolutely positive that the remedy below will certainly be successful in removing Coba in an automated method.
How to protect PC from Coba ransomware?
However, let us initially speak about debarment of such malware assaults in the future. There is something exists that you can do to get away from this kind of nasty hazard from entering into your computer in advance?
There are a couple of things we wish to talk about here. First one is your private liability for being beyond belief attentive while you utilize your computer and largely while you browse the web. When inspecting your e-mail and see some suspect accessories consisted of, do not hurry to open them.
The same way, when you get on Facebook and social networks also someone you know sends you messages attaching accessories, be very attentive, particularly if these are some .exe files.
The second thing to take into consideration is researching the dependability of your current security tool. Unfortunately, there are multiple safety and security applications presently that just state to be trustworthy, whereas in times of real malware invasions they simply unable to do the task as announced.
In case Coba invaded into your laptop this indicates that your current security tool did not do its promoted purpose as well as really fell short to guard your system. So obviously it is a point for you to overrate your choices and also definitely switch over to some other application that can most definitely procure the wanted level of protection.
Not all antiviruses are good
We can additionally discuss some part of users that like not to have any kind of security software program at all. Definitely, this is a huge error on their component, due to the fact that presently the Internet has dozens of virtual dangers that may stealthily penetrate susceptible systems, especially those that are not tooled with some standard grade of security.
So, having protection tool constantly running and securing your PC is a required point in nowadays’ virtual world.
Coba is getting on the nerves of many users, so you’re not its only victim.
People ask how to repair the problem effectively. Removal of the infection manually may be a long-lasting undertaking and can damage other important system files. Scan your PC with GridinSoft Anti-Malware to detect and delete Coba in the right way.
Click to Download GridinSoft Anti-Malware.
Coba removal guide
STEP 1. Recover files from Coba ransomware encryption
You can download free decryption tool here: Decryptor for STOP Djvu. But it work when the Coba virus used an offline key for encryption.
If key does not found, we advice to restore your PC
There are a lot of different ransomware viruses on the internet. Some of them are more dangerous than the others because they not only leaving malicious processes to protect themselves, but also removing backups of your system to make the recovery process impossible.
Please Note: Not all ransomware infections are able to remove backups of your system, so it is always worth to try a windows recovery.
We recommend use Safe Mode with command prompt to safely perform a recovery of your files. You will have to reboot your computer, so you better save this instruction:
How to Restore Files from a Backup in Windows 7/8/10
STEP 2. Removing Coba ransomware malicious files
Once the recovery process is complete, you should consider scanning your computer with a GridinSoft Anti-Malware in order to find any traces of Coba infection. Though some ransomware viruses are removing themselves right after the encryption of your files, some may leave malicious processes on your computer for special purposes of cyber criminals.
Run GridinSoft Anti-Malware and choose the scan type, which is suitable for your needs. Of course, for the accuratest scan results we recommend you to choose the “Full Scan”.
Give Anti-Malware a little time to check your system:
Move to quarantine all the viruses and unwanted files, that you see in the results list:
Enjoy the malware removal process:
Use of On-run protection may additionaly prevent different types of cyber attacks, our protect may flag the downloader of the ransomware as a malicious application preventing the download of Coba.
STEP 3. Prevent the Coba virus infection
Besides the protection tool, you should read and learn few simple rules. Follow them every time you work on your computer and your will decrease chances of your infection to a minimum:
- Don’t open suspicious spam letters. No way! Be very careful with your downloads. Download and install software preferably from its trusted website.
- Do backups of your important files regularly. Storing your really important files in few different places is a good decision.
- Keep your system free from adware, hijackers and PUPs The infected computer will be more likely compromised with other malicious software, and ransomware is not an exception in this case.
- Don’t panic and be reasonable. Don’t pay the ransom fee right after you got infected, it is always best to search on the internet for some answers. It is possible that someone have developed a decryption tool that might help you.