Iisa is classified by our virus analyst team as the DJVU cryptoware infection. Another variants of this family is Utjg, Futm, Qmak, and some others. There are certain protection programs that bypass it as well as therefore allowing its intrusion. Actually, we have to term it that way, because of the “.iisa” extension that it joins at the end of your documents.
Let’s clarify. Iisa malware assaults your computer through stealth and knack also. After that, once embedded it applies AES or RSA encryption methods to lock your records.
Then, they bleed you for their unblocke. After Iisa gets round right into your computer, it places every one of your documents under closure. It adds its very peculiar extension “.iisa” at the end, thus making files isolated.
Files with “.iisa” extension appended by the Iisa virus:
It attacks records, registers, photos, songs, movies, all of it! Thereafter, you can’t longer access them. Relocating the data or redefining it will not help. The only means to decode your records from the cryptoware’s keep is deciphering. The ransomware intended you to send ransom currency if you wish to get your records back. It makes that clear (in the blackmail text) it will decode records after defrayal.
The note is usually a text file, left on your desktop. You can also find it in every directory that contains enciphered records. It describes your concerns and also proposes you a decision. According to Iisa, the only means to release your data is with an only decryption code. And also, to obtain it you have to send a buyout. The sum is $980, as well as it’s usually asked for in Bitcoins.
The note by the Iisa ransomware 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: email@example.com Reserve e-mail address to contact us: firstname.lastname@example.org Our Telegram account: @datarestore Your personal ID: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
Do NOT pay for decrypt of “iisa” files!
The Iisa ransomware guarantees, to send you the key after you disburse. As well as, that’s it. That’s all you obtain – a promise. You have no warranties that conformity finishes in something suitable. Do not bear on words of virtual frauds. That is people, that will fool you. Do NOT send them a cent. Don’t call them Do NOT comply with their needs.
How did my PC got harmed by Iisa?
Your PCs get infected with the Iisa malware because of your disability to be on alert. Some people do not notice essential details while browsing the web or downloading various softwares.
The Iisa infection uses the old but good invasive ways to deceive you. And creeps in undetected. That includes disguising behind damaged web links, sites, and torrents. It applies free tools as a way to hide itself. And shapes as a fake system or program update. Like, Adobe Flash Player or Java.
Yet more often than not, it utilizes spam emails. You obtain an email that seems to find from a well-known brand. Like, Amazon or PayPal. And, the email prompts you to visit a web link, or download and install an accessory. If you do, you end up with cryptoware.
Bear in mind that these types of risks are deluding your inadvertence. They need you to rush and skip doing due diligence. That relieve their latent pervasion. They bear on you to leave your fate to chance. Do not! Do not take recklessness over care. One keeps infections out. The other welcomes them in.
Therefore, do not send them a loan. Don’t contact to the virtual kidnappers. If you do, you’ll regret it. It’s a vain effort to restore your data, as well as it will not finish well for you. Below’s why.
There are a few circumstances that can unravel when you see the ransom money message on your display. Claim, you decide to conform. You connect to the extortionists, disburse their ransom cash, and wait. You wait on them to send you the decryption trick they guaranteed. Well, what happens if they do not?
Even so, you have no assurances. All, you rest on, is a promise. Can you absolutely think pledges of internet frauds? The answer is ‘No.’ These are individuals, who will certainly let down you. Don’t pay a cent! There’s also another way.
They can send you a deciphering code. However, when you attempt to use it, it fails to work.
Yes, they can send you the wrong one. After that, you have much less currency, as well as your data continues to be blocked. Don’t render! And also your top scenario isn’t a reason for delight. What takes place after you pay the blackmail currency, 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 launching it.
So, you remove the encoding, yet the Iisa malware 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 Iisa unsafe?
Moreover, to encode a injured’s records, the Iisa infection has also started to install the Azorult Spyware on PC to steal account credentials, cyber money wallets, desktop records, and more.
So, your PC obtained assaulted by Iisa and also probably you have actually lost time trying to eliminate it manually. We are absolutely positive that the remedy below will certainly be effective in removing Iisa in an automated method.
How to protect PC from Iisa ransomware?
However, let us initially speak about prevention of such cryptoware attacks in the future. There is something exists that you can do to get away from this kind of menacing danger from entering into your computer in advance?
There are a couple of things we wish to talk about here. First one is your individual blame for being unbelievably attentive while you utilize your computer and largely while you browse the web. When examining your e-mail and see some suspicious attachments consisted of, do not hurry to view them.
In a like manner, when you get on Facebook and social networks also someone you are in touch with sends you messages containing accessories, be very mindful, specifically if these are some executable files.
The second thing to take into consideration is examining the reliability of your current anti-malware program. Sadly, there are multiple safety and security applications presently that just announce to be trustworthy, whereas in times of real virus invasions they simply stop working to do the task as promoted.
In case Iisa invaded into your laptop this specifies 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 ratio for you to revalue your choices and also definitely change over to some other software that can most definitely assure the wanted grade of protection.
Not all antiviruses are good
We can extra 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 from their side, due to the fact that presently the Internet has lots of internet hazards that may covertly penetrate susceptible systems, especially those that are not tooled with some standard level of safety.
So, having antivirus constantly running and securing your computer is a required point in nowadays’ internet world.
Iisa 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 Iisa in the right way.
Click to Download GridinSoft Anti-Malware.
Iisa removal guide
STEP 1. Recover files from Iisa ransomware encryption
You can download free decryption tool here: Decryptor for STOP Djvu. But it work when the Iisa 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:
STEP 2. Removing Iisa 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 Iisa 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 Iisa.
STEP 3. Prevent the Iisa 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 computer 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.