Gusau is ranked by our malware research team as the DJVU virus family. Another variants of this family is Madek, Gehad, Vusad, and some others. There are certain antiviruses that skip it as well as therefore permitting its invasion. Actually, we have to call it that, because of the “.gusau” extension that it attaches at the end of your documents.
Let’s clarify. Gusau malware assaults your PC through stealth and skill also. After that, once entered it practices AES or RSA encryption methods to hold your data.
Then, they bleed you for their unblocke. After Gusau evades right into your device, it places every one of your files under closure. It appends its very peculiar extension “.gusau” at the end, thus making documents inaccessible.
Files with “.gusau” extension appended by the Gusau virus:
It targets data, archives, photos, mp3s, movies, all of it! Thereafter, you can’t longer view them. Relocating records or retitling it will not help. Exclusive remedy to release your documents from the ransomware’s keep is decoding. The ransomware expects you to pay buyout currency if you wish to get your records back. It makes that clear (in the blackmail text) it will decrypt records after defrayal.
The note is ordinarily a text file, left on your desktop. You can also locate it in every folder that includes encrypted data. It describes your worries and also offers you an answer. According to Gusau, the only means to release your files is with a unique deciphering key. And also, to obtain it you have to send a payoff. The price is $980, as well as it’s usually asked for in Bitcoins.
The file “_readme.txt” by the Gusau ransomware states the following information:
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: email@example.com Reserve e-mail address to contact us: firstname.lastname@example.org Our Telegram account: @datarestore Your personal ID: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
Do NOT send money for decrypt of “gusau” files!
The Gusau ransomware guarantees, to send you the code after you give. As well as, that’s it. That’s all you obtain – a promise. You have no assurances that subordination finishes in something suitable. Do not rest on words of virtual criminals. That is people, that will cheat you. Do NOT send them a cent. Don’t call them Do NOT comply with their needs.
How did my PC got harmed by Gusau?
Your computers get infected with the Gusau malware because of your failure to be watchful. Some people do not pay attention to important details while browsing the Internet or installing various applications.
The Gusau infection uses the old yet gold invasive techniques to deceive you. And rushes in undetected. That contains masking behind damaged web links, sites, and torrents. It practices free tools as a way to hide itself. And poses as a fake system or software update. Like, Adobe Flash Player or Java.
Yet more often yes than not, it uses junk emails. You receive an email that seems to find from a well-known brand. Like, Amazon or PayPal. And, the email suggests you to follow a web link, or download and install an program. If you do, you end up with cryptoware.
Bear in mind that these types of risks are deluding your inattention. They need you to hurry and lose doing due diligence. That relieve their hidden infiltration. They rely 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 pay them a fee. Don’t contact to the cyber criminals. If you do, you’ll regret it. It’s a vain effort to return your records, as well as it will not finish well for you. Below’s why.
There are a few occasions that can interpret when you see the blackmail cash message on your display. Claim, you decide to conform. You contact to the extortionists, give their redemption cash, and wait. You wait on them to send you the decoding trick they assured. Well, what happens if they do not?
Nevertheless, you have no warranties. All, you rest on, is a word. Can you absolutely think promises of internet kidnappers? The answer is ‘No.’ These are persons, who will surely disenchant you. Don’t give a cent! There’s also another choice.
They can actually send you a deciphering key. However, when you try to open it, it fails to work.
Yes, they can send you the wrong key. After that, you have much less funds, as well as your data continues to be encrypted. Don’t pay! And also your optimum case isn’t a reason for delight. What takes place after you pay the redemption cash, obtain the appropriate trick, as well as totally free your files? Well? Consider it. You paid money to eliminate a sign and symptom, yet not the virus triggering it.
So, you remove the encryption, yet the Gusau ransomware stays. It’s still creeping in the corners of your system, complimentary to strike once again. After that, you’re back at a new start.
Why is Gusau unsafe?
Futhermore, to encrypt a injured’s data, the Gusau virus has also started to install the Azorult Spyware on PC to steal account data, cryptocurrency wallets, desktop data, and more.
So, your device obtained assaulted by Gusau and also probably you have actually lost time trying to eliminate it manually. We are absolutely positive that the remedy below will certainly be successful in removing Gusau in an automated method.
How to protect PC from Gusau ransomware?
However, let us initially speak about prevention of such malware attacks in the future. There is something exists that you can do to avoid this kind of critical menace from entering into your device beforehand?
There are a couple of things we wish to talk about here. First one is your personal accountability for being unbelievably thoughtful while you utilize your device and largely while you surf the web. When inspecting your e-mail and see some suspicious accessories consisted of, do not rush to open them.
Similarly, when you get on Facebook and social networks also someone you communicate with sends you messages attaching accessories, be very attentive, particularly if these are some exe-extension files.
Another thing to take into account is exploring the reliability of your current anti-virus program. Sadly, there are plurals safety and security applications today that just declare to be reliable, whereas in times of real malware incursions they simply unable to do the task as promoted.
In case Gusau penetrated into your computer this indicates that your current anti-virus did not do its promoted function as well as really fell short to protect your system. So obviously it is a factor for you to overestimate your choices and also definitely change over to some other program that can most definitely procure the wanted grade of security.
Not all antiviruses are good
We can additionally discuss some portion of users that like not to have any kind of anti-virus software program at all. Definitely, this is a major mistake on their component, due to the fact that presently the net has lots of virtual hazards that may stealthily intrude perceptive systems, particularly those that are not tooled with some standard level of safety.
So, having anti-malware incessantly working and guiding your computer is a required point in today’s internet world.
Gusau is getting on the nerves of many users, so you’re not its only victim.
People ask how to repair the problem effectively. Getting rid 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 Gusau in the right way.
Click to Download GridinSoft Anti-Malware.
Gusau removal guide
STEP 1. Recover files from Gusau ransomware encryption
Cyber Security specialist Michael Gillespie createed decoder for some versions and variants of this family ransomware.
But it work when the Gusau virus used an offline key for encryption.
You can download free decryption tool here: STOPDecrypter. This tool includes a “Brute Force” algorithm for variants which use XOR encryption, a simple symmetric cipher that is relatively easy to break.
The decrypter tool requires victims to provide an encrypted and original file pair greater than 150KB.
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:
STEP 2. Removing Gusau 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 Gusau 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 Gusau.
STEP 3. Prevent the Gusau 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 letters. No way! Be very careful with your downloads. Download and install software preferably from its official 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.