Threat Database Trojans Trojan.Downloader.Small.jos

Trojan.Downloader.Small.jos

By CagedTech in Trojans
Published:
Last updated:

Threat Scorecard

Threat Level: 90 % (High)
Infected Computers: 12
First Seen: July 24, 2009
Last Seen: December 10, 2021
OS(es) Affected: Windows

The detection of Trojan.Downloader.Small.jos on your system indicates a potential security threat. This report provides general guidance on understanding and removing the threat. It's essential to approach the situation with caution and follow recommended steps to ensure the malware is fully removed and your system is secure.

What Is Trojan.Downloader.Small.jos?

Trojan.Downloader.Small.jos is a type of Trojan horse malware. Trojan horses are malicious programs that disguise themselves as legitimate software, allowing them to infiltrate systems without being detected. The name "Downloader" suggests that this particular malware may be designed to download additional malicious components from the internet. The term "Small" could indicate the size of the malware or its payload, while "jos" might be a specific identifier or variant name. Understanding the nature of the threat is crucial for effective removal and prevention of future infections.

How Trojan.Downloader.Small.jos Operates

Trojan horses like Trojan.Downloader.Small.jos typically operate by exploiting vulnerabilities in software or tricking users into installing them. Once installed, they can perform a variety of malicious actions, including downloading and installing additional malware, stealing personal data, or providing unauthorized access to the infected system. The exact operation of Trojan.Downloader.Small.jos would depend on its specific design and purpose, but like other Trojans, it likely relies on deception and exploitation to achieve its goals.

Symptoms of Infection

Systems infected with Trojan.Downloader.Small.jos may exhibit a range of symptoms, although some infections may not display noticeable signs. Common indicators of a Trojan infection include unexpected changes to system settings, appearance of unknown programs or files, slow system performance, frequent crashes, or unusual network activity. If you suspect your system is infected, it's crucial to take immediate action to minimize potential damage.

How to Remove Trojan.Downloader.Small.jos

  1. Enter Safe Mode with Networking to limit the malware's ability to interfere with the removal process. This mode allows you to access the internet for downloading removal tools while restricting the execution of malicious programs.
  2. Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter. Ensure the tool is updated with the latest definitions to improve the chances of detecting and removing the malware.
  3. Uninstall suspicious programs that you do not recognize or that were installed around the time the malware was detected. Be cautious and only remove programs you are certain are not essential to your system's operation.
  4. 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 malware.
  5. After completing the above steps, reboot your system and perform another full scan with your anti-malware tool to ensure that the malware has been completely removed.

Conclusion

Removing Trojan.Downloader.Small.jos requires careful attention to detail and adherence to best practices for malware removal. By understanding the nature of the threat and following the recommended removal steps, you can help protect your system and personal data from further compromise. It's also important to take preventive measures, such as keeping your operating system and software up to date, using strong antivirus protection, and being cautious when opening email attachments or downloading software from the internet. Vigilance and proactive security practices are key to maintaining a secure computing environment.

Aliases

15 security vendors flagged this file as malicious.

Antivirus Vendor Detection
Sunbelt Trojan.FakeAlert
Sophos Troj/BHO-JS
Panda Trj/Downloader.MDW
NOD32 probably a variant of Win32/TrojanDownloader.Small
McAfee-GW-Edition Trojan.Dldr.Small.jew
Ikarus Trojan.Win32.Ertfor
Fortinet W32/Small.JEW!tr.dldr
F-Secure Trojan-Downloader.Win32.Small.jew
eTrust-Vet Win32/VMalum.EMTA
CAT-QuickHeal TrojanDownloader.Small.jew
BitDefender Trojan.BHO.OFD
AVG Generic12.BKII
Authentium W32/Trojan-Obfuscated.2!Generic
AntiVir TR/Dldr.Small.jew
AhnLab-V3 Win-Trojan/Downloader.15000.AZ

File System Details

Trojan.Downloader.Small.jos may create the following file(s):
# File Name MD5 Detections
1. msjava32.dll 0ae307378384d7fcfaa7daa3eec2f2ff 9
2. rah3b8ffdnd.dll 39849e45d5f168e3363f4a8a3c363e39 0
3. gsdrgfdrrgnd.dll 86a8d70126476d721cca8caeb3f76dd5 0