Home Malware Programs Malware Mal/JSRedir-K

Mal/JSRedir-K

Posted: May 10, 2012

Threat Metric

Threat Level: 1/10
Infected PCs: 74
First Seen: May 10, 2012
OS(es) Affected: Windows

Mal/JSRedir-K is a JavaScript-based PC threat that's distributed by spam e-mail and redirects victims to pornographic websites. Because such attacks are often involved in redirects to sites that can install other PC threats automatically, SpywareRemove.com malware experts exhort scanning your PC after any possible contact with either Mal/JSRedir-K or a site that Mal/JSRedir-K has promoted. Like other forms of spam-based PC threats, Mal/JSRedir-K can be avoided by simply avoiding opening file attachments from unrecognizable sources, although you can also choose to scan the attachment with suitable anti-malware software to verify whether or not Mal/JSRedir-K is lurking inside.

Finding Out When It's Mal/JSRedir-K Knocking at Your Virtual Door

As of the time of this writing, Mal/JSRedir-K is distributed strictly by mass-mailed e-mail messages as a file attachment, similar to TROJ_SCRIPBRID.A, TROJ_MDROP.GDL or TROJ_ARTIEF.DOC. However, unlike most PC threats that are disseminated in this fashion, Mal/JSRedir-K doesn't attempt to portray itself as a text file or Word document, instead preferring to display as an .html file with names like 'Juliet Morton represents new movie (JulietNorton.html)' or 'Mona Fletcher returned with new movie (MonaFletcher.html).' While these names imply that Mal/JSRedir-K is a news article of some sort, Mal/JSRedir-K actually is a simple browser hijacker that redirects victims towards a pornographic site.

Because PC threats similar to Mal/JSRedir-K and sites that are promoted by such PC threats often install other types of hostile software without consent or visible symptoms, SpywareRemove.com malware experts suggest that you scan your PC with trustworthy anti-malware software if you feel that it might have been exposed to Mal/JSRedir-K, a Mal/JSRedir-K-related site or a similar attack. Similar attacks have been found to promote high-level threats such as backdoor Trojans, which are capable of giving control of your computer to criminals, up to and including allowing said entities to delete files or steal personal information.

How You Can Put a Stopper in the Mal/JSRedir-K Browser Heist

As a Java-based PC threat, Mal/JSRedir-K can be stopped by taking JavaScript-related precautions, such as updating Java to reduce vulnerabilities. Stricter measures than the above include disabling Java by default or even removing Java entirely from your PC. Java-based redirect attacks like those that are used by Mal/JSRedir-K typically can function in most web browsers, and you shouldn't count on your browser's baseline security as an effective deterrent against attacks that use enabled scripts, including Flash and PHP, as well as Java.

SpywareRemove.com malware analysts also praise keeping your anti-malware software to scan unusual e-mail file attachments, given that numerous PC threats, including multiple forms of Trojans, have been noted to be widely distributed by the same e-mail-based tactics that Mal/JSRedir-K utilizes. In most cases, multiple PC threats are involved in such attacks, and you should be prepared to analyze your entire computer for the possibility of malicious software if you've opened an e-mail file attachment from a source that you haven't verified for safety.

Technical Details

Additional Information

The following URL's were detected:
streamsearchapp.com
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