Mal/JSRedir-K
Posted: May 10, 2012
Threat Metric
The following fields listed on the Threat Meter containing a specific value, are explained in detail below:
Threat Level: The threat level scale goes from 1 to 10 where 10 is the highest level of severity and 1 is the lowest level of severity. Each specific level is relative to the threat's consistent assessed behaviors collected from SpyHunter's risk assessment model.
Detection Count: The collective number of confirmed and suspected cases of a particular malware threat. The detection count is calculated from infected PCs retrieved from diagnostic and scan log reports generated by SpyHunter.
Volume Count: Similar to the detection count, the Volume Count is specifically based on the number of confirmed and suspected threats infecting systems on a daily basis. High volume counts usually represent a popular threat but may or may not have infected a large number of systems. High detection count threats could lay dormant and have a low volume count. Criteria for Volume Count is relative to a daily detection count.
Trend Path: The Trend Path, utilizing an up arrow, down arrow or equal symbol, represents the level of recent movement of a particular threat. Up arrows represent an increase, down arrows represent a decline and the equal symbol represent no change to a threat's recent movement.
% Impact (Last 7 Days): This demonstrates a 7-day period change in the frequency of a malware threat infecting PCs. The percentage impact correlates directly to the current Trend Path to determine a rise or decline in the percentage.
Threat Level: | 1/10 |
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Infected PCs: | 74 |
First Seen: | May 10, 2012 |
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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.
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