Trojan.Downloader.JS
Threat Scorecard
EnigmaSoft Threat Scorecard
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.
EnigmaSoft Threat Scorecards display a variety of useful information, including:
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: | 922 |
| First Seen: | January 19, 2011 |
| Last Seen: | October 10, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.Downloader.JS on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to download and install additional malicious software on your computer, which can lead to a range of problems, including data theft, system crashes, and unauthorized access to your personal information.
Table of Contents
What Is Trojan.Downloader.JS?
Trojan.Downloader.JS is a type of Trojan horse malware that uses JavaScript to download and install other malicious programs on your computer. The name "Trojan" refers to the fact that this type of malware disguises itself as a legitimate program or file, allowing it to evade detection and gain access to your system. The "Downloader" part of the name indicates that this malware is designed to download additional malicious software, which can include viruses, spyware, adware, and other types of malware.
How Trojan.Downloader.JS Operates
Trojan.Downloader.JS typically operates by exploiting vulnerabilities in your system or tricking you into downloading and installing the malware. Once installed, the malware can download and install additional malicious software, which can include keyloggers, ransomware, and other types of malware. The malware can also communicate with its creators, allowing them to remotely control your system and steal your personal information. The exact methods used by Trojan.Downloader.JS to operate can vary, but the end result is always the same: to compromise your system and steal your data.
Symptoms of Infection
The symptoms of a Trojan.Downloader.JS infection can vary, but common signs include slow system performance, pop-up ads, and unfamiliar programs or icons on your desktop. You may also notice that your system is crashing or freezing frequently, or that your browser is being redirected to unfamiliar websites. In some cases, you may not notice any symptoms at all, which is why it's essential to regularly scan your system for malware and keep your antivirus software up to date.
- Slow system performance
- Pop-up ads
- Unfamiliar programs or icons on your desktop
- System crashes or freezes
- Browser redirects to unfamiliar websites
How to Remove Trojan.Downloader.JS
- Boot your system in Safe Mode with Networking to prevent the malware from loading and to allow you to download and install removal tools.
- Download and install a reputable antivirus tool, such as SpyHunter, and run a full scan to detect and remove the malware.
- Uninstall any suspicious programs or applications that you don't recognize or that were installed recently.
- Reset your browser settings to their default values, including Chrome, Firefox, and Edge, to remove any malicious extensions or add-ons.
- Reboot your system and run another full scan to ensure that the malware has been completely removed.
Conclusion
Removing Trojan.Downloader.JS from your system requires careful attention to detail and a thorough understanding of how the malware operates. By following the steps outlined above, you can help to ensure that your system is clean and free of malware. Remember to always keep your antivirus software up to date, and to be cautious when downloading and installing software from the internet. By taking these precautions, you can help to protect your system and your personal information from the threats posed by Trojan.Downloader.JS and other types of malware.
SpyHunter Detects & Remove Trojan.Downloader.JS
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. | LocaLService.vbs | 8bb5a6b5c1ed99c3da887772ed1b68e0 | 69 |
| 2. | system.jse | e2e8faaa1eec3e33273b6c4eacf1f04a | 25 |
| 3. | office_updater.jse | 1bbff7bdc6e90629d343c3150e34074b | 21 |
| 4. | adobeupd.jse | 278f15903e74855be8c2341c77ca4f60 | 19 |
| 5. | plugins.refresh.jse | 98453d720091bf6d48bf00c0e6ff23b0 | 16 |
| 6. | offc_updr.jse | e812bd63a4f2d865111bea480d17cd96 | 11 |
| 7. | xer64x.jse | 2297675c0f63ea832228d863f5fa602f | 7 |
| 8. | fly.jse | c6ffdfd6ff73f2edc5b26484c9e9b815 | 4 |
| 9. | MSQRY32.JSE | 85ed24936e6d76c80038ca171813786d | 1 |
