We're gradually updating threat actor names in our reports to align with the new weather-themed taxonomy. Learn about Microsoft threat actor names
Trojan:Java/Mugademel.A
Detected by Microsoft Defender Antivirus
Aliases: Trojan-Downloader.Java.Agent.gh (Kaspersky) Java.Downloader.35 (Dr.Web) Sus/JavaMeO-B (Sophos)
Summary
Trojan:Java/Mugademel.A is a trojan that downloads malicious files and attempts to exploit a vulnerability in order to run arbitrary code. These trojans attempts to exploit the vulnerability described in CVE-2009-3867 on affected computers.
To detect and remove this threat and other malicious software that may be installed in your computer, run a full-system scan with an up-to-date antivirus product such as the following:
For more information on antivirus software, see http://www.microsoft.com/windows/antivirus-partners/.
Update vulnerable applications
This threat exploits a known vulnerability, with CVE Identifier CVE-2009-3867, in Sun Java SE in JRE and JDK. After removing this threat, make sure that you install the updates available from the vendor. You can read more about the vulnerability, as well as where to download the software update, from the following links: