Attention: We have transitioned to a new AAD or Microsoft Entra ID from the week of May 20, 2024. In case your tenant requires admin consent, please refer to this document located at Overview of user and admin consent - Microsoft Entra ID | Microsoft Learn and grant access to App ID: 6ba09155-cb24-475b-b24f-b4e28fc74365 with graph permissions for Directory.Read.All and User.Read for continued access. While the app may appear unverified, you can confirm its legitimacy by verifying the App ID provided.
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TrojanDownloader:Java/OpenConnection.IT
Detected by Microsoft Defender Antivirus
Aliases: JAVA/Agent.E (Avira) Java.Downloader.144 (Dr.Web) Trojan-Downloader.Java.OpenStream.ay (Kaspersky)
Summary
TrojanDownloader:Java/OpenConnection.IT is the detection for an obfuscated Java applet that attempts to download and execute files from a remote web site. It often works in conjunction with Exploit:Java/CVE-2010-0094, which exploit a vulnerability in the Java Runtime Environment (JRE).
To detect and remove this threat and other malicious software that may be installed in your computer, run a full-system scan with an up-to-date antivirus product such as the following:
For more information on antivirus software, see http://www.microsoft.com/windows/antivirus-partners/.
Additional recovery instructions
This threat exploits a known vulnerability in the Java Runtime Environment (JRE). After removing this threat, make sure that you install the updates available from the vendor. You can read more about this vulnerability from the following link:
It may be necessary to remove older versions of Java that are still present. Keeping old and unsupported versions of Java on your system presents a serious security risk. To read more about why you should remove older versions of Java, see the following information.
Additional removal instructions
This threat may be present in your Temporary Internet Files folder. We recommend that you delete your temporary Internet files to prevent the persistent detection of this threat from within the Temporary Internet Files folder.
To delete the temporary Internet files from Internet Explorer, refer to the following articles:
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