Sglh Virus Removal Guide (+Decrypt .sglh files)

Sglh – General Info

Sglh is a harmful software working as typical ransomware. Michael Gillespie, the widely known malware researcher, very first discovered this new name in the DJVU ransomware family.

Sglh was developed for the sole purpose to encrypt all popular file types. Logically, as soon as the encryption is effectively accomplished, the users are unable to get access to them. Sglh virus includes its own “.sglh” to all the encrypted files. For instance, the file “price_list.xls”, once crypted by Sglh, will be titled as “price_list.xls.sglh”. When the file encryption is achieved, Sglh puts its own special text document (_readme.txt) into all the folders that save the encrypted files.

The alert stated by _readme.txt requesting for the random os extremely comparable to the notices given by other ransomware threats belonging to the DJVU family. The warning basically indicates that the data has been secured and the only option to get access to it is to use a special standalone key. Regretfully, this statement is absolutely true.

The technique to secure the files utilized by Sglh is not totally researched. However, there is no doubt that each computer system owner may be issued a special decryption key, which is absolutely special. It is exceptionally hard to recover the data without the suitable type in location.

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

message from Sglh virus

One more peculiarity of the Sglh 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 scoundrels who have actually introduced the Sglh virus into the world wide web. In order to get the key and restore the essential data, the users are told to get in touch with the scams through e-mail or by telegram and to pay the ransom in the amount of $980.

The message also says that the people must contact the Sglh authors within 72 hours upon the moment of the data encryption. The alert suggests that by doing so the people will acquire a 50% discount, for that reason, the ransom quantity falls to $490.

No matter what the quantity of the ransom is, we highly advise that you do not pay the ransom. There is no assurance that these online scoundrels will keep their pledges, so they may not care at all what the victims feel about the encryption, even when the quantity of the ransom is gotten into their accounts. Thus, paying ransom frequently does not result in a successful recovery. So, the users may just lose their money for absolutely nothing.

Likewise, we advise you not to get in touch with the scams as they instruct. Do not move cash into their wallets. There are no applications that could split the Sglh ransomware or bring back the data at no charge. Therefore, the only proper decision is to bring back the data from possible backups (if offered).

Virus Summary

NameSglh Ransomware
File Extensionsglh
TypeRansomware
FamilyDJVU
Short DescriptionThe 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.
SymptomsFile 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 .sglh extension to all the files modified by it.
Distribution MethodAdware bundles and software cracks
Similar InfectionsEpor, Vvoa, Agho
Sglh Removal Tool   GridinSoft Anti-Malware
Sglh Decryption Tool   Emsisoft Djvu Decryptor

Do not forget that the Web is now loaded with infections similar to the Sglh ransomware. For example, this specific danger is basically identical to Brusaf and other ransomware-type infections. These destructive energies have been developed in order to encrypt the crucial data and express the need for the users to pay the ransom. All these infections utilize the identical algorithm to create the specific key for effective files decryption.

Unless the Sglh ransomware is still under the development process or has got some concealed bugs, it is not possible to restore the data by hand. Therefore, the only working service to prevent the loss of your important data is to regularly keep current backups of all your essential documents.

Another important piece of suggestions is to keep the backups on unique storage not linked to your main PC. For example, you might store it on the USB Flash Drive, or some external hard disk drive, or by using the cloud data storage services. Keeping the backups on your system drive is really risky, given that the backup might likewise be encrypted by the Sglh .

Leakages for the Sglh ransomware attack.

Sglh uses lots of courses to penetrate the vulnerable computers. It is not specific what specific approach was utilized in your case, however, the invasion may happen via the following channels:

  • bundling with third-party programs, primarily free apps;
  • spam emails from the unknown senders;
  • sites offering free hosting;
  • P2P (peer-to-peer) torrent downloads.

There are times when the Sglh may disguise itself as some authentic application, for instance, through the misleading informs requiring installation of some software application update. This is the most common trick utilized by the frauds to inject the Sglh virus files into the system. By doing this users partly participate in its installation, without clearly understanding the risk.

Moreover, the scams might send unsolicited spam e-mail with difficult notifies motivating individuals to open suspicious accessories or click on some download links, for instance, those encouraging individuals to open specific pictures, text files, tax documents and other info.

No doubt, opening these files or clicking on the malicious links may basically harm the system. Fake Media Player update notices may lead to the Sglh ransomware seepage. Similarly, downloading the broken software application might furthermore consist of the ransomware installer. The last however not the least, setup of Sglh may happen through some Trojan horses that might be installed stealthily into the system and without the user’s direct approval or perhaps approval.

Preventing the Sglh ransom virus attack.

Naturally, there is no absolute warranty that your computer system will be constantly devoid of any malware attacks, nevertheless, we would like to share some useful pointers with you to make it safer. Make certain to pay extremely attention while browsing the web and particularly while getting cost-free programs. Do not open any suspicious e-mail accessories, specifically if the sender is not understood to you.

Do not forget that specific freeware installer may likewise consist of some other additional apps in the bundle. These extra applications may be extremely damaging. It is of utmost importance to keep your anti-virus software application and your operating system in basic to be constantly appropriately updated.

It is quite rational that downloading pirated software is unlawful, however, additionally, such unauthorized programs use may also bring major damage to your PC. Thus, do not download any broken programs. Plus, the fact that your current anti-virus did not secure the system from the Sglh ransomware is a good reason for you to reassess your options and switch to another program that can render the safeguarding functions on a better level.

Below please find the quotation from the Sglh 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 “.sglh” extension added by the virus:”

Sglh Ransomware - encrypt files with .sglh extension

Use GridinSoft Anti-Malware to remove Sglh 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.
GridinSoft Anti-Malware
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.
GridinSoft Anti-Malware Setup

3. Press Install button for run GridinSoft Anti-Malware.

GridinSoft Anti-Malware Install

3.Once installed, GridinSoft Anti-Malware will automatically run.

GridinSoft Anti-Malware  Start

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.
GridinSoft Anti-Malware Scan

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.
GridinSoft Anti-Malware Scan Result

Use Emsisoft Decryptor for restore sglh 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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About 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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