TR/Sirefef.A.77
Posted: April 9, 2013
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: | 9/10 |
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Infected PCs: | 16 |
First Seen: | April 9, 2013 |
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Last Seen: | February 18, 2022 |
OS(es) Affected: | Windows |
TR/Sirefef.A.77 is a Trojan that is not able to propagate on its own. TR/Sirefef.A.77 is either downloaded by the computer user or is downloaded by another PC threat. The program, which drops another program is usually referred to as a vector. In this case, the vector is extremely dangerous rootkit of Zero Access family. TR/Sirefef.A.77 is virtually rather added to the hard drive than installed into the operating system. TR/Sirefef.A.77 stays beyond operating system so that a security tool functioning within operating system only cannot see the malware threat. TR/Sirefef.A.77 is able to recur even after removal. Once removed, TR/Sirefef.A.77 is restored by the relevant malware threat disguised in the boot sector.
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