Last Sunday, I detected a malicious Trojan on my computer with its name of Backdoor.Weevil!gen1. Since then my computer got stuck so frequently. I tried to use anti-virus programs to eliminate this Trojan away from my computer. But none of them can remove this virus completely. It seemed to be removed at the beginning. However, each time when I booted my computer, I kept receiving the warning of this Trojan from Norton. My computer is messing up now. What should I do? Help!
Backdoor.Weevil!gen1 is defined as a stubborn and malicious Trojan virus. It is a newly created computer infection which is spread by cyber criminals through the Internet. This Trojan is commonly bundled with some freeware program downloads, spam emails attachments, porn content web sites and other suspicious web sites and so on. With the help of the third party application, this Trojan can get into your computer more easily. And it can install on your computer and escape from the scanning of your general security tools. Once installed, and it is detected by your antivirus programs, you should take immediate action to get rid of this Trojan. If you look down upon this virus, you may regret in the near future as it may conduct lots of malicious activities on your compromised computer.
What will Backdoor.Weevil!gen1 exactly do after it enters your system? Once installed, this Trojan may take control of your online activities right now. Besides, it may change your system setting like DNS settings and browser settings. Your default homepage may be modified to some unfamiliar web page. You may be redirected again and again to this malicious page no matter which browser you open. Furthermore, this virus is capable of creating lots of unwanted ads and pop-ups to display on your computer. You will be endless by receiving fake warning from your antivirus tools. In addition, you may find that your computer is working more slowly than before. And it becomes stuck and crashed while you are using your computer at work or surf the Internet so often. The most important is that this Trojan may open a back door for remote hackers to get into your system to pilfer your sensitive information. Therefore, if you want to protect your computer from suffering all these malicious things, you should get rid of this Trojan as soon as you get the report of it with manual removal guide.
1. Desktop background image and Browser homepage settings are changed. Google, Yahoo Searches are redirected.
2. It may slow down your computer considerably and you will feel like your computer is stuck. This includes opening programs, shutting down your computer, and slow Internet.
3. It is capable to corrupt your windows registry and uses it to deploy annoying pop up ads out of nowhere. You will get many unwanted pop-ups on your computer.
Note: No matter how the virus accesses your PC, users should know that there are no tools can remove this pesky Trojan automatically at this moment, it is suggested users not spend much time in downloading or paying any security software which claims can delete this stubborn virus. It is totally useless. To completely get rid of Backdoor.Weevil!gen1, professional manual guide is needed.
Currently many computer users had the same experience that this virus couldn’t be removed by any anti-virus applications. So the manual approach is always required to combat this virus. And here is the step-by-step removal guide for all computer users.
1. End the malicious process from Task Manager.
Backdoor.Weevil!gen1 is installed,computer user may notice that CPU usage randomly jumps to 100 percent. At any time Windows always has many running processes. A process is an individual task that the computer runs. In general, the more processes, the more work the computer has to do and the slower it will run. If your system’s CPU spike is constant and remain at a constant 90-95%, users should check from Task Manager and see if there is a suspicious process occupying system resources and then end it immediately.
(The name of the virus process can be random.)
Press Ctrl+Shift+Esc to quickly bring up Task Manager Window：
2. Show hidden files and folders.
Open Folder Options by clicking the Start button, clicking Control Panel, clicking Appearance and Personalization, and then clicking Folder Options.
Click the View tab.
Under Advanced settings, click Show hidden files and folders, uncheck Hide protected operating system files (Recommended) and then click OK.
3. Open Registry entries. Find out the malicious files and entries and then delete all.
Attention: Always be sure to back up your PC before making any changes.
a. Press Windows key + R to open Run box. In the “Open” field, type “regedit” and click the “OK” button.
Then a Registry Editor window will pop up as the following picture shows:
b. Search malicious files and registry entries and then remove all of them:
%AllUsersProfile%\[random]
%AppData%\Roaming\Microsoft\Windows\Templates\[random]
%AllUsersProfile%\Application Data\.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\[random]
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Temp
Backdoor.Weevil!gen1 is a risky and vicious computer infection. This virus may get the chance to dive into your computer while you are visiting some malicious web sites or opening the junk mails and its attachments, or installing some “free” programs from the unauthorized websites and so on. Once this Trojan got into your computer, it may do lots of unwanted and malicious activities on your system. This virus has the ability to change your browser settings so that you may be redirected to some unwanted web sites. Otherwise, lots of ads and pop-ups will be displaying on your screen to chock up a huge part of your CPU. As a result, your computer performance may be degraded in a large extend. This virus may open a back door for other viruses to get into your system more easily, like spyware, malware, adware and so on. You may also find that there are some unknown things installed on your system without your knowledge and permission. All these symptoms indicate that your computer is in a great of danger. You should get rid of this virus as soon as you can detect it. Only manual removal method can remove this Trojan completely and permanently.
Note: Still have trouble in removing this virus? If you don’t want to mess up your whole PC, Please contact YooCare Experts for instant help now.
Published by & last updated on May 23, 2015 10:49 pm
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