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Published Dec 17, 2005 | Updated Sep 15, 2017

Trojan:Java/Classloader.G

Detected by Microsoft Defender Antivirus

Aliases: No associated aliases

Summary

Trojan:Java/Classloader.G is a malicious Java applet that can infect Microsoft Windows computers that are not patched with Microsoft Security Update MS03-011. An attacker can insert the Java applet into HTML code and host the code on a Web server or send the code in e-mail. When a user opens the Web page or e-mail, the vulnerability allows the applet to bypass a security check on the computer. The applet can then run malicious code on the computer and open a backdoor to receive commands from attackers.
It is not possible to recover manually from Trojan:Java/Classloader.G. To remove this Java applet from your computer, consult your antivirus software vendor or run the Microsoft Safety Scanner at the Microsoft Safety Scanner, http://go.microsoft.com/fwlink/?LinkId=212742
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