Win32:Sirefef-AOO
Posted: November 26, 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: | 9/10 |
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Infected PCs: | 99 |
First Seen: | November 26, 2012 |
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Last Seen: | June 12, 2022 |
OS(es) Affected: | Windows |
Win32:Sirefef-AOO is a rootkit Trojan infection, which is difficult to detect and remove from the affected computer system by many security programs. Win32:Sirefef-AOO disables firewall on the affected computer. Win32:Sirefef-AOO enters the compromised PC through security holes generated by its allies. Win32:Sirefef-AOO detects harmless files as malicious. These harmless modified file copies are used to conceal Win32:Sirefef-AOO. Payload of Win32:Sirefef-AOO involves, but is not limited to, changing web browser settings on the targeted computer, so that it would visit doubtful websites. The aim is achieved by redirecting search queries in Google and other renowned search engines to websites designed and promoted by scammers who distribute and install Win32:Sirefef-AOO.
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