.UIK1J! Ransomware – How to Remove It

.UIK1J! Ransomware – How to Remove It

This article will aid you to remove .UIK1J! Ransomware. Follow the ransomware removal instructions provided at the end of the article.

.UIK1J! Ransomware is one that encrypts your data and demands money as a ransom to get it restored. Files will receive the .UIK1J! extension. The .UIK1J! 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.UIK1J! Ransomware
TypeRansomware, Cryptovirus
Short DescriptionThe ransomware encrypts files by placing the .UIK1J! 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 .UIK1J! Ransomware


Malware Removal Tool

User ExperienceJoin Our Forum to Discuss .UIK1J! 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.

.UIK1J! Ransomware – Distribution Techniques

The .UIK1J! ransomware is also known as

Remove Golden Axe ransomware efficiently. Follow the Golden Axe ransomware removal instructions provided at the end of the article.
Golden Axe Ransomware and it has been discovered in a recent attack wave. This virus appears to have a wide range of capabilities and does not appear to have any code borrowings from famous malware families. No information is available about the hacker operators as well — we anticipate that the people behind it are experienced in virus design. As such we anticipate that the most popular hacking methods are going to be used in order to infect as many victims as possible.

Many virus samples including the .UIK1J! ransomware can be sent via email phishing messages. They are devised as email messages that have been sent by legitimate services or companies by using stolen or fabricated design and content. The virus files are either attached directly or linked in them. The infection happens through interaction with them.

The other hacking strategy depends on the creation and popularization of malicious web sites that aim to impersonate download portals, search engines and other frequently accessed Internet sites. They are usually hosted similar sounding domain names to popular web sites and self-signed security certificates.

A large number of potential .UIK1J! ransomware infections can be made by embedding the virus infection code in payload carriers of which there are two main types:

  • Infected Documents — Dangerous scripts can be inserted across all popular document formats: text documents, spreadsheets, presentations and databases. Whenever they are opened by the victims a prompt will be spawned asking them to enable the macros. The most popular quoted reason is for the correct viewing of the file’s contents.
  • Application Installers — The other popular payload carrier type is the setup file. It is made by taking the legitimate installers of popular software and modifying them in order to include the virus code. The hackers prefer to craft application setup files of popular examples such as creativity suites, system utilities, productivity and office apps and etc.

The payload carriers may be distributed via another popular mechanism — the use of file sharing networks. They are widely used to share both pirate and legitimate content, BitTorrent is probably one of the most popular examples.

In some situations the hackers can launch a widespread attack campaign utilizing the so-called browser hijackers. They represent dangerous plugins made for the most popular web browsers. The hijackers are uploaded to their associated repositories using fake user reviews and developer credentials. The posted descriptions often promise various types of performance enhancement or new features addition. Whenever they are installed the virus infection will happen.

.UIK1J! Ransomware – Detailed Analysis

The in-depth code analysis of the .UIK1J! ransomware revels that the hacker collective behind it has managed to include a wide variety of modules and components thus creating a complex virus.

As soon as the virus infection has happened a complex array of preset actions will be started. One of the most prominent actions done by the engine is the execution of an anti-analysis module. It allows for the detection and removal of any potential security software that can actively block the proper virus actions. The list includes anti-virus programs, firewalls, sandbox environments and virtual machine hosts. This is done by scanning for such processes in memory and for any files found within the hard disk.

The ransomware will also start to harvest various types of information from the affected machines, it can be grouped into three main groups:

  • Application Data — The .UIK1J! ransomware is able to interact with the installed software and thus extract all kinds of data that they store. This is often the case with web browsers, the virus files can hijack the stored cookies, history, preferences and etc.
  • Machine Information — The associated engine can extract a detailed list of strings that can directly be used to generate an unique ID for each affected computer. Usually the collected data is fed to an algorithm that outputs this ID string. The data that is acquired includes system environment values, user settings and a list of the installed hardware components.
  • User Information — Private data can be acquired about the users — personal information such as their name, interests, address, security credentials and etc.

As soon as these components have finished running the ransomware infection will continue further. It is able to start its own processes, hook up to already running ones and thus allow the operators to spy on the users activities.

A dangerous consequence of having this virus active on a target computer is the fact that it can find and remove sensitive data — backups, shadow volume copies and restore points. In this particular case it is recommended that a professional-grade data recovery solution is used. If the engine interacts with the Windows Volume Manager it can also access available network shares and removable storage devices.

The code analysis of the .UIK1J! ransomware also shows that it launches a connection to a hacker-controlled site due to the built-in Trojan module. This allows the criminals to take over control of the victim systems, steal information and deploy additional threats if they desire to do so.

.UIK1J! Ransomware – Encryption Process

Like other popular malware samples the .UIK1J! 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 .UIK1J! extension. A ransomware note will be created alongside a desktop wallpaper that will be applied to to infected computers. As the base engine is modular in nature it can be extended with additional components and behavior patterns.

Remove .UIK1J! Ransomware and Try to Restore Data

If your computer system got infected with the .UIK1J! 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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