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Microsoft Security Intelligence
Published Jun 07, 2013 | Updated Aug 22, 2017

Trojan:JS/Quidvetis.A

Detected by Microsoft Defender Antivirus

Aliases: JS/IFrame.RS.gen (Command) text/Blacole.QH (Norman) HTML/ExpKit.Gen3 (Avira)

Summary

Windows Defender detects and removes this threat.

This threat can install other malware onto your PC, including the Blacole and Cool exploit kits. These kits exploit vulnerabilities in applications such as Oracle Java, Sun Java, Adobe Acrobat and Adobe Reader.

Trojan:JS/Quidvetis.A is installed on your PC when you visit a hacked web page.

 

The following Microsoft security software detects and removes this threat:

Even if we've already detected and removed this particular threat, running a full scan might find other malware that is hiding on your PC.

Update Java

You should install all available Java updates.

You should remove older versions of Java, as keeping old and unsupported versions of Java on your PC is a serious security risk:

If you continue to get alerted about this threat, deleting your temporary Java files can help:

It's also important to keep your other software up to date:

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