Java/TrojanDownloader.OpenStream [Threat Name] go to Threat

Java/TrojanDownloader.OpenStream.NBD [Threat Variant Name]

Category trojan
Detection created Feb 08, 2011
Detection database version 5856
Detection Windows Mobile db version 3.1
Detection Symbian db version 3.4
Aliases Trojan-Downloader.Java.OpenConnection.dd (Kaspersky)
  JAVA_AGENT.TEH (TrendMicro)
  Java.Siggen.30 (Dr.Web)
Short description

Java/TrojanDownloader.OpenStream.NBD is a trojan which tries to download other malware from the Internet. It is written in Java .

Installation

Java/TrojanDownloader.OpenStream.NBD may be invoked when visiting a malicious website by referencing a malicious Java class file within a Java archive file (.JAR).

Other information

When the malicious .JAR archive is processed, the Java class component gets the URL of the file to download from the malicious website.


It tries to download a file from the address.


The file is stored in the following location:

  • %temp%\­%variable%.exe

The file is then executed.


The %variable% represents a random number.

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