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/Classloader.Z
Detected by Microsoft Defender Antivirus
Aliases: Trojan.Java.ClassLoader.ap (BitDefender) Exploit.Java.8 (Dr.Web) Java/TrojanDownloader.Agent.NAI (ESET) Trojan-Downloader.Java.Agent.ch (Kaspersky) Java/Byteverify.B (Norman) Troj/Agent-MNX (Sophos)
Summary
Trojan:Java/Classloader.Z is the detection for Java class malware that attempts to exploit the Microsoft Windows VM to download and execute an arbitrary file from a predefined Web site. Computers with the Microsoft Security Update MS03-011 installed are not affected by this malware.
Manual removal is not recommended for this threat. To detect and remove this threat and other malicious software that may have been installed, run a full-system scan with an up-to-date antivirus product such as Microsoft Security Essentials, or the Microsoft Safety Scanner. For more information about using antivirus software, see http://www.microsoft.com/security/antivirus/av.aspx.