Monday, April 14, 2014

How to Remove Trojan:Win64/Necurs.A From Win7

How annoying Trojan:Win64/Necurs.A is?

Trojan:Win64/Necurs.A is a nasty computer virus that will perform quite a lot of malicious tasks to interrupt people to operate the infected PC normally.

I am struggling the last couple of days.I have installed Microsoft Security Essentials, which detected the trojan: win64/Necurs.a on my system. while I had some ad pop ups on my browser!

After invading into the target PC, Trojan:Win64/Necurs.A will drag down the PC performance, bring into other kinds of PC viruses like browser hijacker, adware, spyware, etc. and chisel up backdoors to cause system vulnerabilities. To protect itself, Trojan:Win64/Necurs.A will switch security programs off to make them malfunction and runs freely in the infected PC.

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My computer was acting strange these past couple of days. But it got me worried when my virus scanner (Avira) ceased to function even if I enable it manually. Second, the notification tray (the one with the flag thingy) said that Windows Defender is off, so I turned it on, updated and ran a quick scan and to my surprise, it found a win64/necurs.A trojan. Defender tried to clean it, but it resulted in an error.

If you keep Trojan:Win64/Necurs.A longer in your PC, system crash will be the final result. To completely remove Trojan:Win64/Necurs.A, manual removal method is needed, namely carry out a blanket search in the infected to delete all the malicious process, files, and registries.

Method one:Manually remove Trojan:Win64/Necurs.A guide

Step 1: Launch your PC into Safe Mode with Networking.
 Restart your computer. As your computer restarts but before Windows launches, tap "F8" key constantly. Use the arrow keys to highlight the "Safe Mode with Networking" option, and then press ENTER.


Step 2: Stop all processes that related to this computer virus
Press Window+R keys together. In the dialogue box that pop-up, type into taskmgr and press OK.  



Terminate all the malicious processes in the Window Task Manager.


Step3:Disable any suspicious startup items that are made by infections.
click start menu; type msconfig in the search bar; open System Configuration Utility; Disable all possible startup items generated.

Step4:Show all hidden files and clean all the malicious files about this virus
Click the Start button and choose Control Panel, clicking Appearance and Personalization, to find Folder Options then double-click on it.



In the pop-up dialog box, click the View tab and uncheck Hide protected operating system files (Recommended).

Clean all the malicious files about this computer virus as below.
%AppData%\<random>.exe
%CommonAppData%\<random>.exe
%temp%\<random>.exe
C:\Program Files\<random>
C:\Windows\Temp\<random>.exe

Step5:Remove all the vicious registry entries as follows:
Open Registry Editor by pressing Window+R keys together and typing into Regedit, then pressing Enter.

Find out all harmful registry entries of the virus and delete all of them.
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run "<random>" = "%AppData%\<random>.exe"
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run "<random>" = "%AppData%\<random>.exe"
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Settings
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Associations "LowRiskFileTypes"=".zip;.rar;.nfo;.txt;.exe;.bat;.com;.cmd;.reg;.msi;.htm;.html;.gif;.bmp;.jpg;.avi;.mpg;.mpeg;.mov;.mp3;.m3u;.wav;"
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Attachments "SaveZoneInformation"=1

Video on how to get rid of Trojan horse:




Method two: automatically uninstall TROJAN:WIN64/NECURS.A with SpyHunter antivirus. 

SpyHunter is a powerful, real-time anti-spyware application that designed to assist the average computer user in protecting their PC from malicious threats like worms, Trojans, rootkits, rogues, dialers, spyware, etc. It is important to notice that SpyHunter removal tool works well and should run alongside existing security programs without any conflicts.

Step 1. Download SpyHunter by clicking on the icon below.

 

Step 2. Follow the details to complete the installation process. (Double click on the download file and follow the prompts to install the program.) spyhunter runspyhunter setup spyhunter setup

Step 3. After the installation, run SpyHunter and click “Malware Scan” button to have a full or quick scan on your computer.



Step 4. Tick "Select all" and press "Remove" button to get rid of all the detected threats on your computer.




Please be careful that the manual clean requires expert skills to handle. If you’re not that computer savvy, it will be very risky to process the instructions above on your own. To get TROJAN:WIN64/NECURS.A resolved safer and quicker, you're advised to download Spyhunter – the famous antivirus software here to save your time and remove all the possible malware infection completely from your system.

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