We're gradually updating threat actor names in our reports to align with the new weather-themed taxonomy. Learn about Microsoft threat actor names
TrojanDownloader:Java/OpenConnection.L
Detected by Microsoft Defender Antivirus
Aliases: Java/Shinwow.AT!Trojan (CA) Exploit-ByteVerify (McAfee) Trojan.ByteVerify (Symantec) JAVA_BYTEVER.A (Trend Micro)
Summary
TrojanDownloader:Java/OpenConnection.L is a Java applet that attempts to download and execute files from a malicious web site. It often works in conjunction with Java/Classloader and Java/Bytverify that exploit a vulnerability in the ByteCode verifier component of the Microsoft VM, as described and fixed in MS03-011.
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.
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