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Trojan:Java/Classloader.I

First posted on 23 March 2013.
Source: Microsoft

Aliases :

Trojan:Java/Classloader.I is also known as Trojan-Downloader.Java.OpenConnection.v (Kaspersky), Java/ClassLoader.Z (Avira), Java.Trojan.ClassLoader.Gen (BitDefender), Trojan.JAVA.Classloader.cw (Rising AV), Troj/ByteV-Fam (Sophos), JAVA_BYTEVER.B (Trend Micro).

Explanation :

Trojan:Java/Classloader.I is a malicious Java class file that acts as a dynamic loader for Java classes that exploit JVM vulnerabilities. It does this to avoid detection and removal.

This trojan might arrive in your computer if you visit a compromised or malicious website. If you have Java installed in your computer, and the version you have installed is vulnerable to certain exploits, your computer might get infected.

This trojan has been observed to load another malware called Exploit:Java/ByteVerify.



Analysis by Marian Radu

Last update 23 March 2013

 

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