RansomwareRemoval Guide

SD 1.1 Virus Removal Guide (+Decode .[Unlock11@protonmail.com].enc files)

SD 1.1 – General Info

The SD 1.1 mean a ransomware-type infection. SD 1.1 was elaborated particularly to encrypt all major file types. Once the file is encrypted people are unable to use them. SD 1.1 adds the “.[Unlock11@protonmail.com].enc” extension for each file encrypted by it. For example, the file “myphoto.jpg“, when encrypted by SD 1.1, will be renamed into “myphoto.jpg.[Unlock11@protonmail.com].enc“. As soon as the encryption is finished, SD 1.1 places a special text file into every folder containing the encrypted data.

The message given by SD 1.1 text file requesting the ransom is definitely the same as the statements given by other ransomware virus representatives. It literally discusses that the information is encrypted which the only way to restore it is to use a an unique decryption key. Sadly, this is absolutely true. The kind of cryptography mechanism applied by SD 1.1 is still not properly examined. Still, it is absolutely particular that each victim may be given the specific decryption key, which is completely distinct. It is difficult to restore the files without the key available.

Another technique of SD 1.1 is that the victims cannot get to the key. The key is saved on a particular server run by the frauds related to SD 1.1 ransomware. To get the key and recover the important information people need to pay the ransom.

However, irrespective of the requested amount, people need to stay away from paying the ransom. Cyber frauds are not fair, so they tend to totally ignore what their victims feel about the issue, even when the payment reaches their pockets. This is why paying the ransom generally does not provide any positive outcome and people simply waste their money for absolutely nothing.

We highly advise that you do not contact these crooks and definitely do not transfer money into their accounts. It is said to admit that there are no utilities able to crack SD 1.1 ransomware and to recover the information data totally free. Therefore, the only right decision is to recover the lost data from the available backup.

Virus Summary

NameSD 1.1 Ransomware
File Extension.[Unlock11@protonmail.com].enc
TypeRansomware
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 and RSA encryption algorithms. Once the encryption is completed, the ransomware adds its special [Unlock11@protonmail.com].enc extension to all the files modified by it.
Distribution MethodSpam Emails, Email Attachments
Removal Tool   GridinSoft Anti-Malware

Bear in mind that the web is now overwhelmed with threats that look similar to SD 1.1 ransomware. Destructive programs of such kind are typically elaborated to encrypt crucial data and to state the need before the user to pay the ransom. The peculiarity of all such ransomware threats is that all apply a similar algorithm to create the special decryption key for information decryption.

Therefore, as long as the ransomware is still being developed or has some hidden bugs, by hand recovering the information is simply not feasible. The only method to avoid the loss of your crucial data is to regularly create backups of your important information.

Keep in mind that even if you create such backups, they must be placed into a special storage utility not connect to your main computer. You may use the USB Memory Stick or external disk drive for this purpose, or refer to the help of the cloud storage. If you keep your backup files on your common system they may be encrypted along with other files, so it’s definitely not a good storage place.

How did ransomware infect my system?

There are numerous methods used by online scams to distribute SD 1.1 virus. Even though it is uncertain how precisely SD 1.1 injects your system, there are some leaks through which it may infiltrate the system:

  • integration with third-party apps, especially freeware;
  • spam e-mails from unidentified senders;
  • sites rendering free hosting services;
  • pirated peer-to-peer (P2P) downloads.

Typically SD 1.1 ransomware may exist as some genuine software, for instance, in the pop-ups advising users to carry out some important software application updates. This is the typical trick used by online frauds to persuade people into downloading and installing SD 1.1 infection manually, by means of their direct participation in the installation process.

Additionally, the criminals may refer to numerous e-mail spam tactics to inject destructive codes into copmuter. So, they may refer to to sending unsolicited spam emails with tricky notifications promoting users to download the attachments or click on certain download links, for example, the ones encouraging users to open some photos, files, tax reports or invoices.

Needless to mention, opening such files or clicking on such dangerous links may seriously damage the system. Fictitious Adobe Flash Player upgrade informs may result in SD 1.1 virus injection. When it comes to the cracked software, these illegally downloaded programs may likewise contain malicious codes resulting in SD 1.1 secret installation. Finally, injection of SD 1.1 may occur by means of Trojans that covertly get injected into the system and install destructive tools without the user’s consent.

Is there any way to prevent the injection of SD 1.1 ransomware?

Although there is no 100% guarantee to avoid your system from getting infected, there are some pieces of recommendations we want to share with with you. To start with, be very careful when you surf the web and particularly while downloading free programs. Keep away from opening suspicious email attachments, especially when the sender of the email is not familiar to you.

Keep in mind that some freeware installers may consist of other unwanted utilities in the bundle, so they may be harmful. Ensure that your current anti-virus and your entire OS is always appropriately updated.

Of course, downloading pirated software is illegal and may lead to important damage to be produced your PC. Thus, stay away from downloading cracked software. You are likewise highly advised to reconsider your existing security software and possibly switch to another security solution that can render far better services of protecting your PC.

Message from SD 1.1 with “.[Unlock11@protonmail.com].enc” extension:

SD 1.1 Ransomware - encrypt files with .[Unlock11@protonmail.com].enc extension
SD 1.1 Ransomware – encrypt files with .[Unlock11@protonmail.com].enc extension

Use GridinSoft Anti-Malware to remove SD 1.1 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

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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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