Oct 11, 2016

JS.Downloader!gen23 Virus Manual Removal Guide

Hi, I got a report from Norton saying that my computer got a malicious virus. It is named JS.Downloader!gen23 Virus. My computer got stuck frequently recent days. I couldn’t use it normally as before. What is going on my computer? My Norton seems to remove this virus. However, each time when I reboot my computer, I got threat warning again and again. What should I do? Can anyone help?

JS.Downloader!gen23 Virus’ s Detailed Description:

JS.Downloader!gen23 Virus has been classified to be the family of Trojan horse virus which has the ability to attack on innocent users’ computer system all around the world. This virus may attack all the Windows computer users around the global, such as Windows 7, Windows XP, Windows Vista, Windows 2003, Windows 8 and so on. Once this Trojan gets into your computer, it will conduct kinds of malicious activities on the compromised computer. It has the ability to download and install lots of unwanted and unknown programs on your computer without your approval. It will run itself at the background of your computer and create lots of troubles for you while you are doing things on the computer. Besides, it may change your important system file like DNS settings, essential registry entries etc. without your knowledge. As a result, you will get different kinds of error while you are running your programs. Fake alerts and errors will continue to display on your computer screen to interrupt you from doing anything normally on the infected computer. Nothing good will be done after the virus infected your computer. So, you should remove it as soon as you detect it on your computer.

Do you know how JS.Downloader!gen23 Virus accesses your computer? Commonly, it is bundled with some malicious websites, SPAM emails and its attachments, free software programs and suspicious videos, etc. Any mistaken action doing online will bring into this malicious Trojan on your computer. Most of you maybe feel so confused about why your computer still gets infected without your knowledge, even there is a windows security program installed in your computer. This Trojan is so cunning and tricky. It has the ability to slip away from the scanning of general antivirus programs and cannot be deleted. So, when you find your computer running slowly than before, you should be cautious and ask yourself why? Since this virus can decrease the system performance, thus, you should run a full scan on your computer by using professional antivirus tools like Norton or AVG if it happens. If JS.Downloader!gen23 Virus is detected by professional antivirus programs, you should take manual removal method to get rid of this virus as soon as you can in case it may make more damage on your computer.

Processing manual removal should have a certain level of computer literacy. If you are not sure how to start or afraid of making any critical damage on the computer system, please open a live chat with YooCare Expert now!

What Will This Trojan Actually Do on Your Computer?

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 JS.Downloader!gen23 virus, professional manual guide is needed.

About Trojan Virus Removal:

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.
JS.Downloader!gen23 virus 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:

task manager
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.

Folder Options

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:

registry editor

b. Search malicious files and registry entries and then remove all of them:

%AllUsersProfile%\Application Data\.exe

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\[random]
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Temp

Video Shows You How to Safely Modify Windows Registry Editor:


JS.Downloader!gen23 Virus is a malicious computer infection which can do lots of malicious activities on the computer once installed. If your computer gets infected, it will foul up your system by lots of random files. It will steal your confidential data and then transfer to cyber criminals in the background. These villains will abuse your information which will constitute a huge threat to your security. Besides, it may make other infections like spyware, adware, malware and other Trojans entered into your computer easily and installed without your permission and knowledge. Therefore, it is clear that how dangerous this nasty Trojan is! So, once you find this virus on your computer, you should not ignore it. You should take actions immediately to get rid of JS.Downloader!gen23 Virus from the infected computer as early as possible.

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 October 11, 2016 1:24 pm

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