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Remove SolarSys Trojan From Your Computer

What Is SolarSys Trojan

SolarSys TrojanSolarSys Trojan is a recently discovered computer malware that is spread in active attack campaigns. The targets are high-profile in the detected activity, which means that the hacking group behind it must be experienced in planning viruses. Read our in-depth analysis of the samples and learn how to remove active infections in this article.

SolarSys Trojan Summary

Name SolarSys Trojan
Type Trojan
Short Description Aims to steal data from your computer and run different malware actions.
Symptoms Your computer may behave strangely and new files may be dropped in several Windows Directories.
Distribution Method Common infection methods including phishing messages and malware-infected files.
Detection Tool See If Your System Has Been Affected by malware


Malware Removal Tool

User Experience Join Our Forum to Discuss SolarSys Trojan.

SolarSys Trojan – Virus Infection Methods

The SolarSys Trojan is a malicious threat that has only recently become known in the security community following a detailed code analysis of the found threats. What we know is that this particular threat actually composes a very complex distribution framework. At the moment there is no information about the hacking group behind it. What we know is that it is set mainly against Brazil. For this reason, we presume that other countries in this region will also be affected soon.

This Trojan is actually a collection of several malware tools and modules that work together in a unified structure. At the moment it appears that the code is compatible with Microsoft Windows machines, it is possible that later versions can be recompiled to support other types of computers a well.

At the moment the main infection method is to create and distribute virus-infected setup files of popular applications which are often retrieved from the Internet by users: they can be creative suites, productivity and system utilities and even computer games. When they are run on the compromised machines the built-in commands will be run.

Using the tactic of inserting the virus code in different files can be done also with documents of popular office formats: presentations, databases, spreadsheets, and text files. When they are opened by the victims a prompt will be presented to them asking for the scripts to be run. If this is done the malware will be installed on the hosts.

Such Trojans can also be “pushed” to the users by using other files distribution tactics among the following:

  • Hacker-Controlled Sites — The virus data can be spread to different types of sites and portals that are created by hackers. They are usually hosted on domain names that sound similar to well-known companies and services, also inclusive of self-signed security certificates and fake content.
  • Email Messages — A similar mechanism can be done via email messages that are prepared in bulk. They typically make use of templates and link or attach the virus data directly.
  • File-sharing Networks — The virus-infected files can easily be uploaded to such networks, the best known example is BitTorrent which is commonly used to spread both to distribute both legitimate and pirate data.

Other existing infections can also lead to the SolarSys Trojan on a given computer. We advise our users to remove the Trojan as soon as possible to prevent further damage to the computers.

SolarSys Trojan – Virus Capabilities

When the relevant infection has started it will start a complex sequence of built-in modules. The initial modules which are started are written in the JavaScript programming language, this means that they are very small in file size and will execute very fast. From there on the malware will start its built-in modules. They can be different depending on the attack campaign instructions.

Usually, Trojan horse infections like this one will extract sensitive information from the infected computers. This will generate a report of the installed hardware components, access user’s data, and operating system values. All of this information can be processed by another module designed to generate a unique ID for each computer. The actual malware will install itself as a persistent threat by modifying essential configuration values. It will launch when the computer is powered on and may block access to the recovery options. This will make it very hard to follow most manual use removal guides.

There are download modules that are designed to retrieve additional components from the hacker-controlled sites. They will be delivered in encrypted form and accessed by the engine. This hidden form makes it very hard to identify running infections. The local agent infection will establish a connection to the hacker-controlled servers allowing the hackers to take over control of them. This enables the criminals to access user’s data, machine information and etc.

There are some distinct SolarSys Trojan features — the threat will deploy environment values and run various JavaScript code. The code analysis shows that this is used to send out email messages from the infected users’ side. The main goal of this virus is to be a banking Trojan — it will monitor the users and activate browser overlay pages when a financial institution, payment service, or bank is opened by them By replacing the forms and sites the criminals will trick the victims into supplying them with their accounts.

We remind our readers that this threat can be used to install other threats as well: popular examples can be file-encrypting ransomware that will process user’s data, make it inaccessible and then extort the victims for a ransom payment.

SolarSys Trojan – Virus Removal GUIDE

In order to fully remove this infection from your computer system, recommendations are to try the automatic removal guidelines below. They are particularly created in order to assist you separate this malware first of all and after that remove it’s destructive files. If you lack the experience in malware removal, the best method and most reliable one according to safety professionals is to use an innovative anti-malware software program. Such will not just immediately get rid of the SolarSys infection from your computer system, yet will certainly additionally ensure that your computer system remains shielded versus future infections.

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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Preparation before removing SolarSys Trojan.

Before starting the actual removal process, we recommend that you do the following preparation steps.

  • Make sure you have these instructions always open and in front of your eyes.
  • Do a backup of all of your files, even if they could be damaged. You should back up your data with a cloud backup solution and insure your files against any type of loss, even from the most severe threats.
  • Be patient as this could take a while.
  • Scan for Malware
  • Fix Registries
  • Remove Virus Files

Step 1: Scan for SolarSys Trojan with SpyHunter Anti-Malware Tool

1. Click on the "Download" button to proceed to SpyHunter's download page.

It is recommended to run a scan before purchasing the full version of the software to make sure that the current version of the malware can be detected by SpyHunter. Click on the corresponding links to check SpyHunter's EULA, Privacy Policy and Threat Assessment Criteria.

2. After you have installed SpyHunter, wait for it to update automatically.

SpyHunter 5 Scan Step 1

3. After the update process has finished, click on the 'Malware/PC Scan' tab. A new window will appear. Click on 'Start Scan'.

SpyHunter 5 Scan Step 2

4. After SpyHunter has finished scanning your PC for any files of the associated threat and found them, you can try to get them removed automatically and permanently by clicking on the 'Next' button.

SpyHunter 5 Scan Step 3

If any threats have been removed, it is highly recommended to restart your PC.

Step 2: Clean any registries, created by SolarSys Trojan on your computer.

The usually targeted registries of Windows machines are the following:

  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce

You can access them by opening the Windows registry editor and deleting any values, created by SolarSys Trojan there. This can happen by following the steps underneath:

1. Open the Run Window again, type "regedit" and click OK.
Remove Virus Trojan Step 6

2. When you open it, you can freely navigate to the Run and RunOnce keys, whose locations are shown above.
Remove Virus Trojan Step 7

3. You can remove the value of the virus by right-clicking on it and removing it.
Remove Virus Trojan Step 8 Tip: To find a virus-created value, you can right-click on it and click "Modify" to see which file it is set to run. If this is the virus file location, remove the value.

Step 3: Find virus files created by SolarSys Trojan on your PC.

1.For Windows 8, 8.1 and 10.

For Newer Windows Operating Systems

1: On your keyboard press + R and write explorer.exe in the Run text box and then click on the Ok button.

Remove Virus Trojan Step 9

2: Click on your PC from the quick access bar. This is usually an icon with a monitor and its name is either “My Computer”, “My PC” or “This PC” or whatever you have named it.

Remove Virus Trojan Step 10

3: Navigate to the search box in the top-right of your PC's screen and type “fileextension:” and after which type the file extension. If you are looking for malicious executables, an example may be "fileextension:exe". After doing that, leave a space and type the file name you believe the malware has created. Here is how it may appear if your file has been found:

file extension malicious

N.B. We recommend to wait for the green loading bar in the navigation box to fill up in case the PC is looking for the file and hasn't found it yet.

2.For Windows XP, Vista, and 7.

For Older Windows Operating Systems

In older Windows OS's the conventional approach should be the effective one:

1: Click on the Start Menu icon (usually on your bottom-left) and then choose the Search preference.

Remove Virus Trojan

2: After the search window appears, choose More Advanced Options from the search assistant box. Another way is by clicking on All Files and Folders.

Remove Virus Trojan Step 11

3: After that type the name of the file you are looking for and click on the Search button. This might take some time after which results will appear. If you have found the malicious file, you may copy or open its location by right-clicking on it.

Now you should be able to discover any file on Windows as long as it is on your hard drive and is not concealed via special software.

SolarSys Trojan FAQ

What Does SolarSys Trojan Trojan Do?

The SolarSys Trojan Trojan is a malicious computer program designed to disrupt, damage, or gain unauthorized access to a computer system.

It can be used to steal sensitive data, gain control over a system, or launch other malicious activities.

Can Trojans Steal Passwords?

Yes, Trojans, like SolarSys Trojan, can steal passwords. These malicious programs are designed to gain access to a user's computer, spy on victims and steal sensitive information such as banking details and passwords.

Can SolarSys Trojan Trojan Hide Itself?

Yes, it can. A Trojan can use various techniques to mask itself, including rootkits, encryption, and obfuscation, to hide from security scanners and evade detection.

Can a Trojan be Removed by Factory Reset?

Yes, a Trojan can be removed by factory resetting your device. This is because it will restore the device to its original state, eliminating any malicious software that may have been installed. Bear in mind, that there are more sophisticated Trojans, that leave backdoors and reinfect even after factory reset.

Can SolarSys Trojan Trojan Infect WiFi?

Yes, it is possible for a Trojan to infect WiFi networks. When a user connects to the infected network, the Trojan can spread to other connected devices and can access sensitive information on the network.

Can Trojans Be Deleted?

Yes, Trojans can be deleted. This is typically done by running a powerful anti-virus or anti-malware program that is designed to detect and remove malicious files. In some cases, manual deletion of the Trojan may also be necessary.

Can Trojans Steal Files?

Yes, Trojans can steal files if they are installed on a computer. This is done by allowing the malware author or user to gain access to the computer and then steal the files stored on it.

Which Anti-Malware Can Remove Trojans?

Anti-malware programs such as SpyHunter are capable of scanning for and removing Trojans from your computer. It is important to keep your anti-malware up to date and regularly scan your system for any malicious software.

Can Trojans Infect USB?

Yes, Trojans can infect USB devices. USB Trojans typically spread through malicious files downloaded from the internet or shared via email, allowing the hacker to gain access to a user's confidential data.

About the SolarSys Trojan Research

The content we publish on SensorsTechForum.com, this SolarSys Trojan how-to removal guide included, is the outcome of extensive research, hard work and our team’s devotion to help you remove the specific trojan problem.

How did we conduct the research on SolarSys Trojan?

Please note that our research is based on an independent investigation. We are in contact with independent security researchers, thanks to which we receive daily updates on the latest malware definitions, including the various types of trojans (backdoor, downloader, infostealer, ransom, etc.)

Furthermore, the research behind the SolarSys Trojan threat is backed with VirusTotal.

To better understand the threat posed by trojans, please refer to the following articles which provide knowledgeable details.

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