Danger level 9
Type: Malware
Common infection symptoms:
  • Installs itself without permissions
  • Connects to the internet without permission
  • Shows commercial adverts
  • Slow internet connection
  • Slow Computer

Sirefef Virus

Being infected with Sirefef Virus is nothing but bad news. This malware is part of Win32/Sirefef family that contains multiple trojan, backdoor and other infections designed to interfere with your Internet experience. Thus, it means that if you are infected with Sirefef Virus, it is highly probable that you have other components of the same infection family on your computer. Once your system has been compromised, you will receive modified search results, and it is very likely that you will be assaulted by pop-up advertisements that thrive on pay-per-click revenue.  Sirefef Virus is detected as an infected driver, responsible for communication with a remote server.

If Sirefef Virus sustains connection with a remote server behind your back, all the other components of Win32/Sirefef can download configuration data and upload various information recorded on your PC. It is rather hard to remove Sirefef Virus, because it makes use of advanced techniques to hide its presence and avoid being removed. This means that in order to remove Sirefef Virus you might also need to review some of your Windows features and that is obviously hard to do on your own if you are not a computer expert. That is why, we highly recommend using a reliable antimalware program in order to delete the infection automatically. The computer security program will also review your Windows security settings, and will let you know what has to be altered.

You might not even notice that your operating system has been modified by Sirefef Virus, because this infection does not have any specific symptoms. This malware creates a folder at a default system directory where it stores other malware components. Even if you were to find the folder created by Sirefef Virus you would not be able to access the files, because they are encrypted. The infection would kill any process immediately if it tried to access its folder.

When the malicious program settles down it connects to a remote server in order to download other malicious components onto your computer. What is more, it allows backdoor access to your system for other infections, thus establishing itself as an extremely dangerous computer threat. In order to protect yourself from Sirefef Virus, you need to perform regular system scans. Also, do invest in a legitimate computer security tool to delete Sirefef Virus for good and to safeguard the system against similar infections.

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How to manually remove Sirefef Virus

Files associated with Sirefef Virus infection:

msiscsi.sys
netbios.sys
ipsec.sys
rasl2tp.sys
imapi.sys
i8042prt.sys
cdrom.sys
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