JS_EXPLT.QYUA
Posted: January 27, 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.
Ranking: | 5,022 |
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Threat Level: | 2/10 |
Infected PCs: | 4,804 |
First Seen: | January 27, 2012 |
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Last Seen: | October 16, 2023 |
OS(es) Affected: | Windows |
JS_EXPLT.QYUA is a noxious Trojan which is used by HTML_EXPLT.QYUA to exploit a recently and publicly disclosed vulnerability, the MIDI Remote Code Execution Vulnerability (CVE-2012-0003). The said vulnerability is provoked when Windows Multimedia Library in Windows Media Player (WMP) fails to cope with a specially crafted MIDI file, finally enabling remote attackers to execute arbitrary code. HTML_EXPLT.QYUA is a malicious HTML which has been found hosted on the URL hxxp://images.{BLOCKED}p.com/mp.html. HTML_EXPLT.QYUA exploits the vulnerability by using two components that are also hosted on the same URL. A JavaScript JS_EXPLT.QYU is one of the two detected files. The other one is a MIDI file detected as TROJ_MDIEXP.QYUA. HTML_EXPLT.QYUA calls TROJ_MDIEXP.QYUA to provoke the exploit, and uses JS_EXPLT.QYUA to decode the shellcode inserted in HTML_EXPLT.QYUA's body.
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