.L1LL Ransomware – How to Remove It
THREAT REMOVAL

.L1LL Ransomware – How to Remove It

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This article will aid you to remove .L1LL Ransomware. Follow the ransomware removal instructions provided at the end of the article.

.L1LL Ransomware is one that encrypts your data and demands money as a ransom to get it restored. Files will receive the .L1LL extension. The .L1LL Ransomware will leave ransomware instructions as a desktop wallpaper image. Keep on reading the article and see how you could try to potentially recover some of your locked files and data.

Threat Summary

Name.L1LL ransomware
TypeRansomware, Cryptovirus
Short DescriptionThe ransomware encrypts files by placing the .L1LL extension on the target files on your computer system and demands a ransom to be paid to allegedly recover them.
SymptomsThe ransomware will encrypt your files and leave a ransom note with payment instructions.
Distribution MethodSpam Emails, Email Attachments
Detection Tool See If Your System Has Been Affected by .L1LL ransomware

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User ExperienceJoin Our Forum to Discuss .L1LL ransomware.
Data Recovery ToolWindows Data Recovery by Stellar Phoenix Notice! This product scans your drive sectors to recover lost files and it may not recover 100% of the encrypted files, but only few of them, depending on the situation and whether or not you have reformatted your drive.

.L1LL Ransomware – Distribution Techniques

At the moment there is no detailed information about the ransomware attacks. A small-sized attack campaign has been detected which has signaled of the virus’s activity. The identity of the hacker criminals behind is not known, we presume that one or several of the most popular tactics are to be used.

A main method is the creation and coordination of email phishing campaigns — the victims will receive messages that pose as legitimate notifications that have been sent by a well-known company or service. It will contain stolen content and design layout from legitimate sources. By interacting with the emails or any of the attached files the infection will be executed.

Victims can also get infected by visiting malicious web sites. They aim to deceive the visitors into thinking that they have accessed a legitimate Internet page. Most of them use similar sounding domain names to well-known sites and self-signed security certificates.

Many ransomware samples of this type can also be installed by interacting with payload carriers. The two most popular types are the following:

  • Infected Documents — The hackers can insert the virus installation code into macros that are part of the most popular document types: spreadsheets, presentations, text documents and databases. As soon as they are opened by the victims a prompt will appear asking the users to enable the scripts in order to correctly view the contents of the files.
  • Application Installers — The other hacking strategy involves the insertion of the virus installation code into the setup files of popular applications. The criminals will probably target the most widely downloaded software chosen by end users: creativity suites, system utilities, productivity and office tools and etc.

Many of the .L1LL ransomware samples, both stand-alone files and payloads can be distributed over file-sharing networks like BitTorrent where both legitimate and pirate content is found.

Large-scale infections can be orchestrated by setting up browser hijackers — malicious plugins developed for the most popular web browsers. They can be found mostly on the relevant repositories with elaborate descriptions and stolen or fake developer credentials. To make them appear more legitimate and safe the hackers can opt to post misleading user reviews which further recommend the plugin. As soon as it is installed the .L1LL ransomware code will be deployed.

.L1LL Ransomware – Detailed Analysis

At the moment there is no detailed information available about the .L1LL ransomware which points out that there are very little ransomware samples collected. In this case we can classify this threat as a test release and still under development as active infections have still not started. They usually start only the ransomware engine and future versions are those that can have any additional modules.

We anticipate that the next releases will include the most common components enabling it to cause a wide range of malicious actions:

  • Information Gathering — The engine can be programmed into hijacking data that can expose the victims data and identity: a person’s name, address, phone number, interests and even their stored account credentials.
  • Machine Identification — A similar tactic is to assign an unique ID tag to each infected computer. This is done by taking certain input values which are fed through an algorithm. Example data includes a list of the installed hardware parts, system environment values and user settings.
  • Windows Registry Modifications — .L1LL ransomware samples may create, modify or delete values found within the Windows Registry. This allows it to cause severe performance issues to the point of rendering the computers completely unusable. When the values belonging to any of the third-party applications are affected the victims may notice problems when accessing certain features, unexpected errors and loss of data.
  • Persistent Installation — The .L1LL RotorCrypt ransomware can modify the boot options of the affected computers in order to start automatically when the computer is powered on. This is a very dangerous process as it can also affect user settings and operating system services. As a consequence the users might not be able to follow manual user removal guides as they depend on menu access which is usually blocked.
  • Security Measures Removal — Advanced .L1LL RotorCrypt ransomware samples can be set to bypass the machine’s security programs that are installed. Common examples include all found anti-virus engines, firewalls, intrusion detection programs and virtual machine hosts. Their real-time engines can be bypassed or entirely removed. This is done by scanning for their presence in memory and on the hard disk.
  • Additional Payload Delivery — In certain situations the .L1LL ransomware variants can deliver other malware as security measures can be bypassed.

As the .L1LL ransomware is developed we expect to see updated versions carrying these components or other additions.

.L1LL Ransomware – Encryption Process

Like other popular malware samples the .L1LL ransomware will launch the encryption engine once all prior modules have finished running. It will probably use a built-in list of target file type extensions which are to be processed by a strong cipher. An example list can include the following data types:

  • Backups
  • Databases
  • Archives
  • Images
  • Music
  • Videos

All affected files are renamed with the .L1LL extension. A ransomware note will be created in a file called “help.txt”. As the base engine is modular in nature it can be extended with additional components and behavior patterns.

Remove .L1LL Ransomware and Try to Restore Data

If your computer system got infected with the .L1LL ransomware virus, you should have a bit of experience in removing malware. You should get rid of this ransomware as quickly as possible before it can have the chance to spread further and infect other computers. You should remove the ransomware and follow the step-by-step instructions guide provided below.

Martin Beltov

Martin graduated with a degree in Publishing from Sofia University. As a cyber security enthusiast he enjoys writing about the latest threats and mechanisms of intrusion.

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