Trojan:VBS/Sheller.A
Threat Scorecard
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EnigmaSoft Threat Scorecards are assessment reports for different malware threats which have been collected and analyzed by our research team. EnigmaSoft Threat Scorecards evaluate and rank threats using several metrics including real-world and potential risk factors, trends, frequency, prevalence, and persistence. EnigmaSoft Threat Scorecards are updated regularly based on our research data and metrics and are useful for a wide range of computer users, from end users seeking solutions to remove malware from their systems to security experts analyzing threats.
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Popularity Rank: The ranking of a particular threat in EnigmaSoft’s Threat Database.
Severity Level: The determined severity level of an object, represented numerically, based on our risk modeling process and research, as explained in our Threat Assessment Criteria.
Infected Computers: The number of confirmed and suspected cases of a particular threat detected on infected computers as reported by SpyHunter.
See also Threat Assessment Criteria.
| Threat Level: | 80 % (High) |
| Infected Computers: | 20 |
| First Seen: | November 12, 2012 |
| Last Seen: | January 8, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan:VBS/Sheller.A on your system indicates a potential security threat. This type of malware is designed to compromise the integrity of your computer, allowing unauthorized access and potentially leading to further malicious activities. It is essential to understand the nature of this threat and take immediate action to remove it and prevent future infections.
Table of Contents
What Is Trojan:VBS/Sheller.A?
Trojan:VBS/Sheller.A is a type of Trojan horse malware, which is a broad category of malicious software that disguises itself as legitimate programs. The name "Trojan:VBS/Sheller.A" suggests that it is a Visual Basic Scripting (VBS) based malware, but without more specific information, it's difficult to determine its exact characteristics or behavior. Trojans are known for their ability to sneak past security defenses, often by masquerading as useful software or attachments in emails.
How Trojan:VBS/Sheller.A Operates
Once installed on a system, Trojan:VBS/Sheller.A can operate in various ways, depending on its intended purpose. Some common behaviors of Trojans include creating backdoors for remote access, stealing sensitive information such as passwords or credit card numbers, and downloading additional malware. They can also modify system settings, disable security software, or disrupt system performance. The specific actions of Trojan:VBS/Sheller.A would depend on the goals of its creators, which could range from financial gain to data theft or system sabotage.
Symptoms of Infection
Identifying a Trojan infection can be challenging because these malwares are designed to remain hidden. However, some common symptoms that might indicate the presence of Trojan:VBS/Sheller.A or similar malware include unusual system behavior, such as unexpected crashes, slow performance, or unfamiliar programs running in the background. You might also notice changes in your browser settings, unexpected pop-ups, or suspicious network activity. Since Trojans can be stealthy, it's possible that your system may not exhibit any noticeable symptoms at all, making regular scans with anti-malware software crucial for detection.
How to Remove Trojan:VBS/Sheller.A
- Boot your computer in Safe Mode with Networking. This will limit the malware's ability to interfere with the removal process and allow you to download necessary tools.
- Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter. Ensure the software is updated to the latest version to increase the chances of detecting and removing the malware.
- Uninstall any recently installed or suspicious programs. Be cautious and only remove programs that you are certain are not needed or are known to be malicious.
- Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings. This can help remove any malicious extensions or settings changes made by the Trojan.
- Reboot your computer and perform another full scan to ensure that the malware has been completely removed. Repeat the scanning process until no threats are detected.
Conclusion
Removing Trojan:VBS/Sheller.A requires careful and systematic steps to ensure that all components of the malware are eliminated from your system. It's also crucial to adopt preventive measures to avoid future infections, such as keeping your operating system and software up to date, using strong and unique passwords, avoiding suspicious downloads and email attachments, and regularly scanning your system with reputable security software. By taking these steps, you can help protect your computer and personal data from the threats posed by Trojans and other types of malware.
Aliases
7 security vendors flagged this file as malicious.
| Antivirus Vendor | Detection |
|---|---|
| Fortinet | VBS/Sheller.B!tr.bdr |
| Microsoft | Trojan:VBS/Sheller.A |
| Antiy-AVL | Backdoor/VBS.Sheller |
| AntiVir | BDS/Sheller.B |
| BitDefender | Trojan.Script.29668 |
| Kaspersky | Backdoor.VBS.Sheller.b |
| Avast | VBS:Sheller-A [Trj] |
SpyHunter Detects & Remove Trojan:VBS/Sheller.A
File System Details
| # | File Name | MD5 |
Detections
Detections: The number of confirmed and suspected cases of a particular threat detected on
infected computers as reported by SpyHunter.
|
|---|---|---|---|
| 1. | boot.vbs | c873297682ade13292f6630a612b6e4f | 15 |