Have ever your computer got a trojan?

by Mathilda A. software engineer

.Fileless.MTGen Removal Guide - Trojan Removal

My computer was infected by a Trojan called .Fileless.MTGen yesterday. My MalwareBytes detected it but cannot deal with it. I feel tired as it can come back again and again on my PC after deletion. Even though I tried some other reputable antivirus programs, my efforts were in vain. It keeps coming back to my computer. I have been tired of fighting against this stubborn Trojan horse since every attempt has been turned out to be useless. How can I totally remove it from PC manually?

Overview of .Fileless.MTGen

As its name reminding, .Fileless.MTGen is classed as Trojan horse. This tricky Trojan horse often gets installed on the targeted computers by bundled with some freeware. It should be noted that many Trojan horses are imbedded into the installation folders of free software, and usually they have a file name which looks legitimate, such as JPG.EXE and TXT.EXE, so that they can mislead users into running the malicious files. The Trojan horse will act as a real file by using the similar name of the Windows OS file to cheat the PC users. Most of the PC users may activate the Trojan horse process accidentally. Generally, a Trojan horse cannot be seen with the naked eye. If a hacker wants to take control over a computer, he would try to trick the user into running the malicious codes of a Trojan horse. So, the hacker will try every way to achieve his aim of implanting the Trojan horse into the targeted computer system. It’s a good choice to use antivirus to operate a system full scan. Anti-virus detection is dependent on the feature code in Trojan horse, hence, hackers often take the tactics of implanting legal code into the Trojan program so as to avoid being detected or deleted by security programs.

.Fileless.MTGen is designed to monitor user’ activities on the infected computer and steal his confidential information like online banking account usernames and passwords. In the old days, Trojan horses are mainly written to play trick on users. But nowadays, it is used to record user’s commercial information and then utilize them to obtain more illegal gains. To steal the information, the working mechanism of the Trojan is to pass through physical barrier between internal and external network. It can get through barrier between internal and external network to filch files information.

The following guidance needs professional knowledge about computer system. If you have difficult in removing the Trojan horse by yourself, it is strongly recommended that you use a professional malware removal tool to help you.

Hazard of the .Fileless.MTGen

1. It allows the creator of the trojan to gain access to your infected computer secretly. 2 It may disable some security-related programs and cause constant system crashing issues. 3. It drops other malicious codes on your computer. 4.It violates your system and privacy to obtain illegal profits.

Guide to Manually Remove the Trojan Horse

.Fileless.MTGen is a malicious Trojan horse which can be installed into the computer system without your any permission. This virus may reduce your computer performance and introduce other computer threats secretly. What is bad, this Trojan can be utilized by its makers to steal your information. It should be deleted as soon as possible. Users can follow the manual guide here to remove the virus efficiently and completely.

Step 1: Reboot your computer in Safe Mode.

For Windows 7/Vista/XP, reboot the computer and go into Safe Mode. Then keep pressing F8 key frequently until the Windows 7 splash screen displays.
Highlight Safe Mode through the up and down arrow keys after Advanced Boot Options screen displays. Select Enter to accomplish.
For Windows 8, choose the Windows key + C and go to Settings. Select Power, press Shift from the keyboard and choose Reboot. Then find Troubleshoot and select Advanced options. Next, choose Startup Settings and click Reboot.
Finally, get into Enable Safe Mode via pressing 4 Key on the keyboard. Thus, your system boot up in Safe Mode.

Step 2. Delete the files produced by .Fileless.MTGen .
Since .Fileless.MTGen may have the capability of hiding itself deeply in hidden folders, so you’d better alter the Folder Options settings to display the hidden and protected files.
For Windows 7/Vista, to find Control Panel, choose Start button. Then click Appearance and Personalization and select Folder Options.
After activating the View tab, from Advanced settings, you can select Show hidden files, folders, and drives, and click OK.
Of course, let off Hide protected operating system files if needed.
For Windows 8, after getting into the Control Panel and typing “folder” into the search bar, choose Show hidden files and folders.
After activating the View tab, click “Hidden files and folders” from Advanced Settings. Click Show hidden files and folders and select OK. After the files of the Trojan found, clean them up fully.

Step 3. Remove the registry entries Produced by the Trojan.

Activate Start button to display registry editor. After typing regedit in the search field, choose Enter.
Next, select Yes after a reminder from UAC.
After Windows registry editor displayed, seek out the registry keys or entries from this Trojan and clean them up.

Step 4. Reboot the computer via normal mode.

After erasing all the components of the Trojan, reboot your computer normally to make this Trojan gone.

Conclusion

.Fileless.MTGen is a rather big threat to your computer. As previously stated, though it may look safe, it will bring unwanted and unallowed results which are usually harmful. Some symptoms will show at the beginning of this Trojan horse infection, such as slow response, no reaction of mouse or keyboard, system shutdown, or blue screen of death, etc. Some self-proclaimed IT gurus attempt to get rid of the Trojan by hand, but it is not advised to every one. For example, System settings will be modified automatically and screen will display multiple annoying pop-ups constantly. This Trojan horse is very difficult to remove since it has rootkit technique and can hide deep in the system. Hence, manual removal will be more effective to get rid of it.