This article has been created in order to best explain what is the Gen:Variant.Symmi virus and provide you with the necessary methods on how to remove it completely from your computer.
A Trojan horse, that opens up a back door on the systems infected by it and allegedly downloads multiple malicious files via it was reported to be still active and infect a big portion of users. The Trojan is called Symmi and it may be replicated via multiple different methods and it may use a Zero Day bug to slither undetected on compromised computers. If you want to know more about and remove the Symmi virus, we strongly suggest that you read this article thoroughly.
Threat Summary
| Name | Symmi Trojan |
| Type | Browser Hijacker |
| Short Description | Aims to modify the settings on your web browser in order to get it to cause browser redirects and display different advertisements. |
| Symptoms | Your web browser begins to display various types of online advertisements, which results in slowing down of your PC. |
| Distribution Method | Bundled downloads. Web pages which may advertise it. |
| Detection Tool |
See If Your System Has Been Affected by malware
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Malware Removal Tool
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User Experience | Join Our Forum to Discuss Symmi Trojan. |
Trojan.Symmi – How Does It Infect
The Trojan.Symmi is the type of malware, created to slither past your computer’s defences undetected. For this to become a reality, however, we believe that an experienced coder may be behind this malware strain. To infect systems, Symmi Trojan may use the following infection tools:
- Obfuscators to conceal the malicious code from antivirus software.
- Zero-Day exploit kits to successfully infect computers using known Windows vulnerabilities.
- Malware modules that help the virus perform different spyware and other malicious activities.
The main infection process behind the Symmi Trojan usually begins with one thing and one thing only – the infection file. This file may be spread across victim computers via a variety of different methods. One of those may be to spread the virus via e-mail spam campaigns. Such e-mails often carry malicious e-mail attachments that may pretend to be legitimate documents, such as:
- Invoices.
- Receipts.
- Purchase confirmation documents.
- Banking documents.
- Suspicious activity reports on the victim’s account in Amazon, E-Bay, PayPal or even bank account.
In addition to this, another method that may be used to replicate malicious files, belonging to this ransomware virus has been reported to be by uploading the infection file of the Symmi Trojan on websites, where the file may pretend to be:
- Crack.
- Setup of a program.
- Portable version of software.
- Key generator.
- License activation software.
Symmi Trojan – Analysis and Activity
When the Symmi Trojan Is started by victis, the malware was reported to drop the following files on the victimzed machine:
→ %UserProfile%\Application Data/Roaming/Microsoft/Windows/Start Menu/Programs/{RANDOM NAME}.exe
%Temp%\809188.bat
Once there, the Symmi Trojan may connect to the following IP address:
→89.46.102.43
The IP address may change with the new versions and updates of the Trojan’s code.
Once there, the Trojan.Symmi infection may perform the following activities on the computers It has already compromised;
- Download malware, adware and other unwanted software without you even noticing.
- Update itself and create copies of itself to avoid detection even if you believe you have removed it’s main malicious files.
- Delete itself.
The Trojan.Symmi is the type of malware that is created with the primary idea to slither other viruses, like:
- Spyware components.
- Adware.
- Ransomware.
- Cryptocurrency miners.
- Banking malware.
- Rootkits.
- Lockscreen malware.
- Infostealer components.
But the Symmi Trojan may also perform other malicious activities by itself as well, like:
- Take screenshots of your desktop.
- Log the keystrokes you have typed.
- Copy your passwords and usernames.
- Read and write your documents and other files.
- Control your web camera.
All of these activities make the Symmi Trojan a very dangerous threat that should be eliminated.
Remove Symmi Trojan from Your Computer
If you want to make sure that the Symmi Trojan is permanently removed from your Mac, we would strongly suggest that you follow the removal guide below. It will help you to remove all of the files of this virus by using the information in this article in combination with its removal steps. However, since the Symmi Trojan may also download other files and malware on your computer, security experts strongly recommend to download and run a scan of your computer, using a particular anti-malware program, which is created to remove all the invasive and malicious objects from your PC and also ensure that your system remains protected against any infections that might occur in the future too.
Ventsislav Krastev
Ventsislav is a cybersecurity expert at SensorsTechForum since 2015. He has been researching, covering, helping victims with the latest malware infections plus testing and reviewing software and the newest tech developments. Having graduated Marketing as well, Ventsislav also has passion for learning new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management, Network Administration and Computer Administration of System Applications, he found his true calling within the cybersecrurity industry and is a strong believer in the education of every user towards online safety and security.
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Step 1: Scan for Symmi Trojan with SpyHunter Anti-Malware Tool
Ransomware Automatic Removal - Video Guide
Step 2: Uninstall Symmi Trojan and related malware from Windows
Here is a method in few easy steps that should be able to uninstall most programs. No matter if you are using Windows 10, 8, 7, Vista or XP, those steps will get the job done. Dragging the program or its folder to the recycle bin can be a very bad decision. If you do that, bits and pieces of the program are left behind, and that can lead to unstable work of your PC, errors with the file type associations and other unpleasant activities. The proper way to get a program off your computer is to Uninstall it. To do that:
Follow the instructions above and you will successfully delete most unwanted and malicious programs.
Step 3: Clean any registries, created by Symmi 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 Symmi Trojan there. This can happen by following the steps underneath:
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.
Before starting "Step 4", please boot back into Normal mode, in case you are currently in Safe Mode.
This will enable you to install and use SpyHunter 5 successfully.
Step 4: Boot Your PC In Safe Mode to isolate and remove Symmi Trojan
Step 5: Try to Restore Files Encrypted by Symmi Trojan.
Method 1: Use STOP Decrypter by Emsisoft.
Not all variants of this ransomware can be decrypted for free, but we have added the decryptor used by researchers that is often updated with the variants which become eventually decrypted. You can try and decrypt your files using the instructions below, but if they do not work, then unfortunately your variant of the ransomware virus is not decryptable.
Follow the instructions below to use the Emsisoft decrypter and decrypt your files for free. You can download the Emsisoft decryption tool linked here and then follow the steps provided below:
1 Right-click on the decrypter and click on Run as Administrator as shown below:
2. Agree with the license terms:
3. Click on "Add Folder" and then add the folders where you want files decrypted as shown underneath:
4. Click on "Decrypt" and wait for your files to be decoded.
Note: Credit for the decryptor goes to Emsisoft researchers who have made the breakthrough with this virus.
Method 2: Use data recovery software
Ransomware infections and Symmi Trojan aim to encrypt your files using an encryption algorithm which may be very difficult to decrypt. This is why we have suggested a data recovery method that may help you go around direct decryption and try to restore your files. Bear in mind that this method may not be 100% effective but may also help you a little or a lot in different situations.
Simply click on the link and on the website menus on the top, choose Data Recovery - Data Recovery Wizard for Windows or Mac (depending on your OS), and then download and run the tool.
Symmi Trojan-FAQ
What is Symmi Trojan Ransomware?
Symmi Trojan is a ransomware infection - the malicious software that enters your computer silently and blocks either access to the computer itself or encrypt your files.
Many ransomware viruses use sophisticated encryption algorithms to make your files inaccessible. The goal of ransomware infections is to demand that you pay a ransom payment to get access to your files back.
What Does Symmi Trojan Ransomware Do?
Ransomware in general is a malicious software that is designed to block access to your computer or files until a ransom is paid.
Ransomware viruses can also damage your system, corrupt data and delete files, resulting in the permanent loss of important files.
How Does Symmi Trojan Infect?
Via several ways.Symmi Trojan Ransomware infects computers by being sent via phishing emails, containing virus attachment. This attachment is usually masked as an important document, like an invoice, bank document or even a plane ticket and it looks very convincing to users.
Another way you may become a victim of Symmi Trojan is if you download a fake installer, crack or patch from a low reputation website or if you click on a virus link. Many users report getting a ransomware infection by downloading torrents.
How to Open .Symmi Trojan files?
You can't without a decryptor. At this point, the .Symmi Trojan files are encrypted. You can only open them once they are decrypted using a specific decryption key for the particular algorithm.
What to Do If a Decryptor Does Not Work?
Do not panic, and backup the files. If a decryptor did not decrypt your .Symmi Trojan files successfully, then do not despair, because this virus is still new.
Can I Restore ".Symmi Trojan" Files?
Yes, sometimes files can be restored. We have suggested several file recovery methods that could work if you want to restore .Symmi Trojan files.
These methods are in no way 100% guaranteed that you will be able to get your files back. But if you have a backup, your chances of success are much greater.
How To Get Rid of Symmi Trojan Virus?
The safest way and the most efficient one for the removal of this ransomware infection is the use a professional anti-malware program.
It will scan for and locate Symmi Trojan ransomware and then remove it without causing any additional harm to your important .Symmi Trojan files.
Can I Report Ransomware to Authorities?
In case your computer got infected with a ransomware infection, you can report it to the local Police departments. It can help authorities worldwide track and determine the perpetrators behind the virus that has infected your computer.
Below, we have prepared a list with government websites, where you can file a report in case you are a victim of a cybercrime:
Cyber-security authorities, responsible for handling ransomware attack reports in different regions all over the world:
Germany - Offizielles Portal der deutschen Polizei
United States - IC3 Internet Crime Complaint Centre
United Kingdom - Action Fraud Police
France - Ministère de l'Intérieur
Italy - Polizia Di Stato
Spain - Policía Nacional
Netherlands - Politie
Poland - Policja
Portugal - Polícia Judiciária
Greece - Cyber Crime Unit (Hellenic Police)
India - Mumbai Police - CyberCrime Investigation Cell
Australia - Australian High Tech Crime Center
Reports may be responded to in different timeframes, depending on your local authorities.
Can You Stop Ransomware from Encrypting Your Files?
Yes, you can prevent ransomware. The best way to do this is to ensure your computer system is updated with the latest security patches, use a reputable anti-malware program and firewall, backup your important files frequently, and avoid clicking on malicious links or downloading unknown files.
Can Symmi Trojan Ransomware Steal Your Data?
Yes, in most cases ransomware will steal your information. It is a form of malware that steals data from a user's computer, encrypts it, and then demands a ransom in order to decrypt it.
In many cases, the malware authors or attackers will threaten to delete the data or publish it online unless the ransom is paid.
Can Ransomware Infect WiFi?
Yes, ransomware can infect WiFi networks, as malicious actors can use it to gain control of the network, steal confidential data, and lock out users. If a ransomware attack is successful, it could lead to a loss of service and/or data, and in some cases, financial losses.
Should I Pay Ransomware?
No, you should not pay ransomware extortionists. Paying them only encourages criminals and does not guarantee that the files or data will be restored. The better approach is to have a secure backup of important data and be vigilant about security in the first place.
What Happens If I Don't Pay Ransom?
If you don't pay the ransom, the hackers may still have access to your computer, data, or files and may continue to threaten to expose or delete them, or even use them to commit cybercrimes. In some cases, they may even continue to demand additional ransom payments.
Can a Ransomware Attack Be Detected?
Yes, ransomware can be detected. Anti-malware software and other advanced security tools can detect ransomware and alert the user when it is present on a machine.
It is important to stay up-to-date on the latest security measures and to keep security software updated to ensure ransomware can be detected and prevented.
Do Ransomware Criminals Get Caught?
Yes, ransomware criminals do get caught. Law enforcement agencies, such as the FBI, Interpol and others have been successful in tracking down and prosecuting ransomware criminals in the US and other countries. As ransomware threats continue to increase, so does the enforcement activity.
About the Symmi Trojan Research
The content we publish on SensorsTechForum.com, this Symmi 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 malware and restore your encrypted files.
How did we conduct the research on this ransomware?
Our research is based on an independent investigation. We are in contact with independent security researchers, and as such, we receive daily updates on the latest malware and ransomware definitions.
Furthermore, the research behind the Symmi Trojan ransomware threat is backed with VirusTotal and the NoMoreRansom project.
To better understand the ransomware threat, please refer to the following articles which provide knowledgeable details.
As a site that has been dedicated to providing free removal instructions for ransomware and malware since 2014, SensorsTechForum’s recommendation is to only pay attention to trustworthy sources.
How to recognize trustworthy sources:
- Always check "About Us" web page.
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