Trojan Win32/Sirefef.GC has the ability to mutate constantly. Therefore, antivirus software can detect this threat but always can’t delete it. You have tried to remove it by many kinds of removal tools but still cannot get rid of it, letting your computer stay in a mess? Do you know anything about it? We should have a better understanding of this malicious thing before we take action to delete it.

What is Trojan Win32/Sirefef.GC?

Trojan Win32/Sirefef.GC is detected as a vicious PC threat that is classified into the Trojan horse family. To reach more innocent users, malware developers embed its malicious codes into some popular downloads and risky websites. Also, they may also make use of email attachments to deliver this threat so that this virus can be activated as long as you click on the attached files. Normally, Trojan Win32/Sirefef.GC will temper the DNS settings, hosts file, Windows registry items and more the moment it penetrates inside. After that, it is designed to download and deploy suspicious monitoring devices inside the machine and keep track of your every move.

Tricky as the Trojan Win32/Sirefef.GC virus is, it may take use of the system leaks to install some unwanted freeware in the computer without any consent. The Trojan infection launches as a background program, taking up the CPU usage. It makes great troubles to net users during online activities. To more specific, the Trojan infection may redirect your favorite websites to unwanted content which are full of annoying pop-up ads. It can change the desktop image, homepage and other settings of the computer. The danger of the Trojan remains in its ability to steal vital information from unknown users for remote hackers to perform illegal activities. Thus, the Trojan attack must be removed from the computer immediately.