Sirefef is a dangerous Trojan downloader that is downloads routines in the family of malware threats focused on deteriorating the affected PC user’s web-browsing. Sirefef drop disguised as cracks and key generators for a wide range of applications, to porn downloaders or games. Sirefef has it’s own task, like one component opens all firewall blocks, another downloads malicious files and updates from the internet, then the other tries to hide them all from the system. Sirefef is totally a dangerous threat on your computer and should not be allowed to remain in your computer any longer.
“Sirefef should be removed as early as possible. Click the “Remove this infection” button to download Sirefef removal tool.”
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Sirefef Infection Symptoms
* Google, Yahoo Searches are redirected. Desktop background image and Browser homepage settings are changed. This is a common symptom of a very serious Sirefef infection.
* Sirefef slows down your computer considerably and you will feel like your computer is stuck. This includes opening programs, shutting down your computer, and slow Internet.
* You will get many unwanted pop ups. Sirefef corrupts your windows registry and uses it to deploy annoying pop up ads out of nowhere.