Win32/Sirefef.FG is a dangerous trojan horse that causes many changes on its affected computer. This threat can easily modify desktop's settings, add malicious entries to the system's registry, cause blue screen of death or browser redirections and may even be used to infect computer with more dangerous viruses, like malware or spyware. Typically to other trojans from Sirefef family, Win32/Sirefef.FG gets inside without any notifications and starts creating its havoc as soon as PC is rebooted. If your system's performance is degrading, that may also be a cause of Win32/Sirefef.FG infection. We highly recommend checking computer with reputable anti-malware programs if you think that you may have this threat on your machine.
Win32/Sirefef.FG is spread in quite typical way: it gets inside the system through security holes that appear when user forgets about safe browsing practices and doesn't pay enough attention to PC protection. As soon as it gets there, it starts its dirty job. Note that Win32/Sirefef.FG can be easily used to track its victims and steal their personal information, which is stored on the system. You may not even know that you are infected with this parasite, so run a full system scan with anti-malware program to make sure that you are safe.
HOW CAN I REMOVE Win32/Sirefef.FG?
It's really hard to remove Win32/Sirefef.FG from the system and it's nearly impossible to do that manually. That's why we highly recommend using automated anti-malware tools that will find all infetced files on the PC. Remove Win32/Sirefef.FG using Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus, Reimage or any program listed below.