What is Trojan:WinNT/Sirefef.J?

Trojan:WinNT/Sirefef.J is the last program you want running on your computer. This rootkit Trojan works just like Trojan:WinNT/Sirefef.A, a variant from the same Sirefef Virus family which we have reported in previous reports. The malicious program is a threat to all Windows NT users, who have not protected their operating systems with such legitimate security software as SpyHunter. What is worse, you may be oblivious to the existence of the infection because it does not produce visible symptoms. Please continue reading to learn how dangerous the Trojan is and how to remove Trojan:WinNT/Sirefef.J from your operating Windows system.

Why should you delete Trojan:WinNT/Sirefef.J?

Even though Trojan:WinNT/Sirefef.J is considered a Trojan, it actually is a kernel-mode rootkit driver which can be employed to disguise other malicious programs and aggravate their removal. The truly deceptive infection creates a new background service and runs without your authorization. Such deceitful activity is exceptionally important for schemers to carry out successful attacks of such infamous infections as Live Security Platinum, Smart Fortress 2012 and other WinWebSec family fake AV tools. Therefore, if you have deleted any of these infections lately – you should inspect your PC to find out if the Trojan has been removed as well.

As malware researchers report, Microsoft Security Essentials users may discover the infection. Regardless, the removal of this rootkit cannot be executed with such displayed error codes as “0X800704ec”. Unfortunately, this is one symptom that may help you detect and delete Trojan:WinNT/Sirefef.J timely as malign components do not create other notable disturbances. Such files as sof.exe and gsx.exe (%USERPROFILE%) can create outbound communications and add products to the Windows Registry. Other files are dropped via bundled downloads for one single reason – to conceal secondary malware from removal. Netbt.sys, avgtdix.sys, WirelessKeyView.exe, dfsc.sys, mrxsmb.sys, redbook.sys, serial.sys, gsx.exe and similar components are rootkits you need to delete.

How to remove Trojan:WinNT/Sirefef.J?

Do you get the impression that Trojan:WinNT/Sirefef.J removal is impossible? Well this is not true because even if you are unlikely to succeed manually, especially if you are not an experienced Windows user, you can install automatic removal tools to delete the Trojan. Legal, authentic and powerful AV tools can remove rootkit malware in no time. We strongly recommend installing SpyHunter. If you are hesitant since you are not sure about the existence of this Sirefef infection, you are welcome to use a free scanner to inspect your PC. Click on the download button to install the program. Finally, remember that your digital security could be threatened by a different infection soon enough; therefore, you should consider installing full-time protection software.

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