Sirefef.ac. How to remove? (Uninstall guide)

removal by Gabriel E. Hall - - | Type: Trojans
12

Sirefef.ac is a Trojan horse that manipulates web traffic and redirects users to sponsored websites full of ads or infected sites that may install malware. Most common variant is Sirefef. All of the time, this Trojan horse redirects Google search results, but it may target any other website or even inject different content, usually ads. Sometimes scammers run their own ad network but it's rather difficult to find new customers so they try to steal money from already established companies that have weak anti-fraud mechanisms. Sirefef is one of the most widely spread malware family nowadays. Search redirect is a very common problem. You can easily find hundreds if not thousands different forum threads and blog posts complaining or describing this problem in one way or another. Usually, users complain that their web browsers are being redirected to spammy sites. At some point, Sirefef.ac and other variants of this Trojan is responsible for at least 30% of all redirects.

Removing Sirefef.ac

Sirefef.ac can be updated to even more sophisticated malware if needed. There are numerous other modules including spyware module that can be used to steal sensitive information or disable antivirus software. But scammers usually try to avoid antivirus detection rather than disable it. In such way they can be sure that malware stays undetected as long as possible or needed. This Trojan horse can be also updated manually targeting only selected computers. For example, computers from UK. As you can see, it's a very sophisticated and without any doubts profitable malware. What is more, there are no other visible symptoms of this infection other than web browser redirects. It doesn't even slow down the system. If your web browser is sometimes or very often redirect to shady websites full of ads than your computer can be infected with Sirefef.ac Trojan. To remove this Trojan from your computer, use an automatic spyware removal tool given below.

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Compatible with Microsoft Windows Compatible with OS X
What to do if failed?
If you failed to remove infection using Reimage, submit a question to our support team and provide as much details as possible.
We might be affiliated with any product we recommend on the site. Full disclosure in our Agreement of Use. By Downloading any provided Anti-spyware software to remove Sirefef.ac you agree to our privacy policy and agreement of use.
Reimage is recommended to uninstall Sirefef.ac. Free scanner allows you to check whether your PC is infected or not. If you need to remove malware, you have to purchase the licensed version of Reimage malware removal tool.

More information about this program can be found in Reimage review.

More information about this program can be found in Reimage review.
Alternate Software
Plumbytes Anti-Malware
We have tested Plumbytes Anti-Malware's efficiency in removing Sirefef.ac (2012-06-17)
Malwarebytes Anti Malware
We have tested Malwarebytes Anti Malware's efficiency in removing Sirefef.ac (2012-06-17)
Hitman Pro
We have tested Hitman Pro's efficiency in removing Sirefef.ac (2012-06-17)
Webroot SecureAnywhere AntiVirus
We have tested Webroot SecureAnywhere AntiVirus's efficiency in removing Sirefef.ac (2012-06-17)

About the author

Gabriel E. Hall
Gabriel E. Hall - Passionate web researcher

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