Trojan:Win32/Sirefef.AN Description
Trojan:Win32/Sirefef.AN is a pernicious infection that may bring in chaotic condition to the target computer. When you download the supposedly legit application from unfamiliar websites, chances that this malware may be masqueraded as a useful and free update or player program. On the other hand, Sirefef Trojan dropper also tends to pack in this piece. The installment will completes immediately when the pirated program installs, during which a start-up entry will be added to guarantee an automatic activation as longs as Windows gets loaded.Trojan:Win32/Sirefef.AN is created to allow the unauthorized entry of remote hacker to track all your online activities on this computer and gather valuable information for further attack or other malicious commercial purposes. Besides, it also modifies browser settings to reroute your web search queries to several preset pages which looks innocent and plain at first sight. Similar tricks will be reflected on out-of-nowhere ads popups that are associated with spam sites.
Sirefef.AN also eats up system resources and severely slows even freezes the computer especially when playing online games or downloading files. Lat but not least, the Trojan downgrades system defense capabilities which may be exploited by other opportunistic cyber bugs. All will be result in a defenseless machine that is unable to perform most tasks, as well as the risk of violation of stored files and personal data. Therefore users are required to completely remove Trojan:Win32/Sirefef.AN once upon the detection.