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Trojan:JS/IframeRef


Trojan:JS/IframeRef is a JavaScript trojan that attempts to redirect the browser to another website.

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, go to KB Article 260897.



What to do now

To detect and remove this threat and other malicious software that may be installed on your computer, run a full-system scan with an appropriate, up-to-date, security solution. The following Microsoft products detect and remove this threat:

For more information on antivirus software, see http://www.microsoft.com/windows/antivirus-partners/.

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, go to KB Article 260897.

Threat behavior

Trojan:JS/IframeRef  is a malicious JavaScript trojan that is embedded, via an iFrame, into malicious or compromised webpages. The purpose of the script is to redirect your browser to other sites that may download malware onto your computer, often by exploiting software vulnerabilities.

Make sure you install all available updates for your computer to help prevent the downloading of additional malware. For more information on updating software, including Java, Adobe and Microsoft products, please see the Additional information section below.

Additional information

Software vulnerabilities are fixed through the application of updates or patches from the software manufacturer.

The best way to protect your computer from exploits is to ensure that the versions of your software are up-to-date. Follow these links for more information on updating software that is commonly targeted by malware:

Analysis by Methusela Cebrian Ferrer


Symptoms

There are no common symptoms associated with this threat - links are activated within iFrames while viewing web content on modified pages. Alert notifications from installed antivirus software when your browser is redirected may be the only symptoms.


Prevention


Alert level: Severe
First detected by definition: 1.91.385.0
Latest detected by definition: 1.141.235.0 and higher
First detected on: Sep 22, 2010
This entry was first published on: Sep 22, 2010
This entry was updated on: Jan 21, 2013

This threat is also detected as:
No known aliases