Computer is messed up by the Trojan:Win32/Sefnit.AS virus pop up? How do I go about removing this Trojan pop up from my laptop? I’m annoyed by lots of security alerts. My anti-malware program becomes unresponsive each time I try to detect the viruses inside the system. Can my data be stolen? Can people hack in to my PC and steal my privacy? How to get rid of Trojan Win32/Sefnit.AS infection?

Trojan:Win32/Sefnit.AS – How to Remove Trojan Virus

Trojan:Win32/Sefnit.AS is categorized as a Trojan infection that can be bundled with online freeware or spam ware to sneak into different computers to cause constant consequences. This type of Trojan infection is believed to be able to escape from lots of anti-virus protection tools and get itself installed on computers (mostly Windows OS) without consent. Victims of this Trojan virus may not know how they get attacked by this infection. And they always wonder how come their programs cannot catch this Trojan. Without an instant removal of this virus, computer will be affected greatly and crashed eventually.

Computers can be affected by this Trojan:Win32/Sefnit.AS virus when users visit certain resources online that are bundled with this virus. Freeware, spam ware, unknown attachments, unauthorized files or applications, music or movies from illegal websites could all be used to carry this Trojan and spread the infection online. Soon as a computer is targeted, the Trojan virus will sneak onto the system and modify the default settings to make its visit long enough to cause more potential dangers. It will not only slow down the entire machine making it impossible for users to launch executable programs, but also generate constant pop ups or detections from unknown programs to convince victims that the PC is vulnerably exposed to various risks. What’s worse, with the ability to drop more malware into the computer, Trojan:Win32/Sefnit.AS infection will be able to help cyber criminals scam more from the victims. Illegal access from online third-parties could also be allowed to the infected computer with the help of this Trojan virus.

Note: To keep computer safe from all the potential dangers, a complete removal is needed to perform right away. Please contact YooSecurity Online PC Experts to get help timely. Manual removal will require expertise to perform in order to completely get rid of Trojan:Win32/Sefnit.AS virus:

Signs of This Trojan Infection:

Infected computers will not function in a normal way when attacked by this nasty Trojan virus:

1. Computer desktop icons and background can be automatically adjusted or replaced;
2. Computer is experiencing extremely slowness and constant stuck more often;
3. CPU usage can be rather high while only a few processes are shown running;
4. Many security alerts can keep displaying which can be associating with malware;
5. Browsing online may be redirected and Internet connection can be affected as well;
6. On-screen cursors can be jumping everywhere and things could be moved around without consent;
7. Online personal data can also be collected for cybercriminal usages.

A Step-by-step Trojan Removal Guide

To get rid of Trojan:Win32/Sefnit.AS virus out of the computer, anti-virus removal will often turn out to be helpless. Instead, manual removal is suggested here as the best option of removal. Expertise will be required during the removal process as the Trojan virus is changeable. Steps have been listed in the following to get rid of this Trojan virus:

Step 1: Open Windows Task Manager to end processed. To do that, press Ctrl+Alt+Del keys at the same time or right click on bottom Task Bar and select Start Task Manager:

Windows Task Manager

Step 2: Show hidden files of Trojan:Win32/Sefnit.AS virus. Open Control Panel from Start menu. Go to Folder Options and under View tab, select Show hidden files and folders and non-select Hide protected operating system files (Recommended) then click OK:

Folder Options

Step 3: Go to Registry Editor. First press Windows+R keys and then type regedit in Run box to search:

Run+Registry Editor

Video on How to Modify or Change Windows Registry:


Trojan viruses are usually released in serials every once in a while by computer hackers trying to scam more innocent PC users around the globe. When Trojan:Win32/Sefnit.AS virus is successfully installed on a PC, it will not only cause all kinds of following consequences to annoy the owner, but bring in other malware to further compromise the infected system and help cyber criminals extort more money from victims. The longer the Trojan stays, the more difficult it will get to accomplish a complete removal. In most cases, antivirus programs can help delete threats from systems. But when it comes to this Trojan infection, they don’t seem to help much. The folders of this Trojan could be uncompressed directly to computer memory to avoid detections or removals from antivirus programs. Hence, manual removal is the most efficient way to get rid of this Trojan infection and any other hidden threats inside the system.

Note: Having a hard time to remove Trojan:Win32/Sefnit.AS virus? Contact YooSecurity Online PC Experts now for help to complete the Trojan removal process.

Published by Tony Shepherd & last updated on November 5, 2013 9:19 am

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