Iiof Virus Removal Guide (+Decrypt .iiof files)

Iiof – General Info

Iiof is a destructive software working as typical ransomware. Michael Gillespie, the well-known malware researcher, first discovered this new name in the DJVU ransomware family.

Iiof was created for the sole function to encrypt all popular file types. Realistically, as soon as the file encryption is successfully achieved, the users are unable to get access to them. Iiof virus adds its own “.iiof” to all the encrypted data. For example, the file “price_list.xls”, as soon as crypted by Iiof, will be entitled as “price_list.xls.iiof”. Once the encryption is accomplished, Iiof puts its own unique text document (_readme.txt) into all the folders that keep the encrypted files.

The message mentioned by document requesting for the random os really similar to the alerts provided by other ransomware risks coming from the DJVU family. The warning generally shows that the files have been encrypted and the only solution to get access to it is to use a distinct standalone key. Regretfully, this declaration is absolutely true.

The approach to encrypt the files utilized by Iiof is not totally researched. However, there is no doubt that each computer system owner might be released a special decryption key, which is definitely special. It is exceptionally hard to recuperate the data without the appropriate type in location.

“Don’t worry, you can return all your files!”, from text file message:

One more peculiarity of the Iiof virus is that the users are not able to get access to the key. The decrypting key is hosted on a special server under the total control by the crooks who have introduced the Iiof virus into the internet. In order to get the key and bring back the crucial data, the users are informed to connect with the frauds through email or by telegram and to pay the ransom in the amount of $980.

The message also says that the people ought to contact the Iiof authors within 72 hours upon the moment of the data file encryption. The alert indicates that by doing so individuals will acquire a 50% discount rate, for that reason, the ransom quantity drops down to $490.

No matter what the quantity of the ransom is, we highly encourage that you do not pay the ransom. There is no warranty that these online scoundrels will keep their pledges, so they might not care at all what the victims feel about the encryption, even when the amount of the ransom is received into their accounts. For this reason, paying ransom often does not result in an effective recovery. So, the users might simply lose their money for nothing.

Similarly, we urge you not to get in touch with the frauds as they instruct. Do not move cash into their wallets. There are no applications that could break the Iiof virus or restore the data at no cost. For that reason, the only appropriate decision is to bring back the information from possible backups (if offered).

Virus Summary

Name Iiof Ransomware
File Extension iiof
Type Ransomware
Family DJVU
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-256 algorithm (CFB mode) encryption algorithm. Once the encryption is completed, the ransomware adds its special .iiof extension to all the files modified by it.
Distribution Method Adware bundles and software cracks
Similar Infections Lokas, Besub, Nusar
Iiof Removal Tool   GridinSoft Anti-Malware
Iiof Decryption Tool   Emsisoft Djvu Decryptor

Do not forget that the Web is now loaded with infections comparable to the Iiof virus. For example, this specific threat is generally identical to Brusaf and other ransomware-type infections. These harmful utilities have been developed in order to encrypt the crucial data and reveal the demand for the users to pay the ransom. All these infections use the identical algorithm to create the particular key for effective data decryption.

Unless the Iiof ransomware is still under the development process or has actually got some concealed bugs, it is not possible to bring back the information manually. Therefore, the only working service to prevent the loss of your crucial data is to regularly maintain up-to-date backups of all your vital documents.

Another essential piece of recommendations is to keep the backups on unique storage not connected to your main PC. For example, you might keep it on the USB Flash Drive, or some external hard disk, or by using the cloud data storage services. Keeping the backups on your regular drive is very risky, considering that the backup may likewise be encrypted by the Iiof .

Leaks for the Iiof ransomware attack.

Iiof uses many paths to infiltrate the vulnerable computer systems. It is not specific what particular method was utilized in your case, however, the invasion may occur via the following channels:

  • bundling with third-party programs, generally free software;
  • spam emails from the unidentified senders;
  • websites supplying complimentary hosting;
  • P2P (peer-to-peer) torrent downloads.

There are times when the Iiof ransomware might disguise itself as some genuine application, for instance, through the misleading alerts requiring setup of some software application upgrade. This is the most typical technique utilized by the scams to inject the Iiof virus files into the system. By doing this users partially participate in its installation, without clearly understanding the risk.

In addition, the scams might send out unsolicited spam e-mail with challenging notifies encouraging the people to open dubious accessories or click on some download links, for example, those encouraging individuals to open specific images, text files, tax documents and other info.

No doubt, opening these files or clicking the destructive links might basically harm the system. Fake Adobe Flash Player upgrade alerts may cause the Iiof ransomware seepage. Likewise, downloading the cracked software application might in addition consist of the ransomware installer. The last but not the least, installation of Iiof might occur through some Trojan horses that might be set up stealthily into the system and without the user’s direct permission and even consent.

Preventing the Iiof ransomware attack.

Of course, there is no absolute guarantee that your computer will be always without any malware attacks, nevertheless, we would like to share some useful pointers with you to make it much safer. Make certain to pay very close attention while searching the web and specifically while downloading cost-free programs. Do not open any suspicious email accessories, particularly if the sender is not understood to you.

Do not forget that particular freeware installer may likewise consist of some other additional apps in the package. These additional applications might be very damaging. It is of utmost value to keep your anti-virus software and your operating system in basic to be constantly appropriately updated.

It is quite logical that downloading pirated software is prohibited, nevertheless, additionally, such unapproved software application use might also bring severe damage to your PC. Thus, do not download any broken programs. Plus, the truth that your current anti-virus did not safeguard the system from the Iiof ransomware is a great reason for you to reassess your options and switch to another program that can render the securing functions on a far better level.

Below please find the quotation from the Iiof text file:

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-2P5WrE5b9f
 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:
 restorealldata@firemail.cc

 Reserve e-mail address to contact us:
 gorentos@bitmessage.ch

 Our Telegram account:
 @datarestore

Screenshot of files with “.iiof” extension added by the virus:”

Use GridinSoft Anti-Malware to remove Iiof ransomware from your computer

1.Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

  GridinSoft Anti-Malware

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.

Use Emsisoft Decryptor for restore iiof files

You can download Emsisoft Decryptor by clicking the button below:

  Emsisoft Decryptor

  1. Run the decryptor as an administrator. The license terms will show up, which you have to agree to by clicking the “Yes” button.
  2. Once the license terms are accepted, the primary decryptor user interface opens.
  3. By default, the decryptor will pre-populate the locations to decrypt with the currently connected drives and network drives. Additional locations can be added using the Add” button.
  4. Decryptors typically offer various options depending on the particular malware family. The available options are located in the Options tab and can be enabled or disabled there. You can find a detailed list of the available Options below.
  5. After you have added all the locations you want to decrypt to the list, click the “Decrypt” button to start the decryption process. The screen will switch to a status view, informing you about the current process and decryption status of your files
  6. The decryptor will inform you once the decryption process is finished. If you require the report for your personal records, you can save it by clicking the “Save log” button. You can also copy it straight to your clipboard to paste it into emails or forum posts if you are asked to.
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Daniel Zimmermann

Daniel Zimmermann has been writing on security and malware subjects for many years and has been working in the security industry for over 10 years. Daniel was educated at the Saarland University in Saarbrücken, Germany and currently lives in New York.

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