JS:Downloader-ZY [Trj] Virus Removal

My computer is infected by Trojan Horse JS:Downloader-ZY [Trj]. MSE gives me the virus infection warning when I try to install a music program which is downloaded from the Internet, however, the anti-virus programs don’t have enough power to get rid of it. How can I remove this virus completely? Any help will be appreciated.

Description of JS:Downloader-ZY [Trj] Virus:

JS:Downloader-ZY [Trj] virus process is a dangerous Trojan horse which will target on all the Windows OS computers, usually the cyber criminals will attach the virus process to some infected programs, processes or spam E-mail attachment, once the PC users activate the virus process, JS:Downloader-ZY [Trj] will be installed to the infected PC in a short time. Most of the security tools can detect the virus infection but can not remove the virus completely, and that is the reason many PC users have no idea about removing this threat. It is suggest that PC users should remove this virus in a manual way so that it can be removed completely.

In general, JS:Downloader-ZY [Trj] can modify all the system settings on the infected computer, desktop image, homepage and other system items can be changed completely. What is more, the nasty Trojan horse is able to download other viruses on the same PC, that is why many victims suffer browser hijack redirect, rough program and even the malware infection. The infected machine will get a slow performance which is caused by the Trojan horse, it keeps taking over the high resource of the CPU so that PC user have to take a long time to run some programs and go online. Anyway, this virus is extremely dangerous which needs to be removed completely

The following instructions require certain levels of computer skills. If you’re not sure and are afraid to make any critical mistakes during the process, please live chat with YooCare Expert now.

How Can This Virus Attack the Computer?

How did you get JS:Downloader-ZY [Trj] virus on your computer? Usually these kinds of the viruses will be planted to some programs especially free programs, .exe, .bat or other executable processes and unsafe links. The computer will get the virus infection when the PC users install, open or click on these infected files. Sometimes the virus can even attack the computer by the files on the USB stick as well. Most of the unsafe website and forum will contain the virus infection, the computer can be infected while visiting these webpages.

What Damage Will be Caused by the Virus:

Generally speaking, this virus can cause terrible virus infection on the infected computer like running slowly and even computer crashing. Once this virus has been installed to the computer, PC users will have to spend a long time opening programs or turning on the infected machine. It keeps taking over the high resource of the CPU and attacking the anti-virus program, other threats can be downloaded automatically from the unsafe website as well. What is worst, the cyber criminals have ability to remote control the infected PC due to this dangerous virus, all the information is in a high-risk of being stolen, the whole computer won’t be safe anymore.

Best Way to Handle With the Trojan Virus Completely?

The Trojan horse virus is an extremely dangerous threat on the infected computer. Registry and other system settings can be modified by it completely, that is the reason the nasty redirect virus can escape the tracking of the security tools like anti-virus program or firewall. It is strongly suggested that PC user should get rid of this Trojan horse virus in a manual way to remove it. Learn more from the manual removal guide below.

Step-by-Step Manual Removal Guide:

1. Press Ctrl+Shift+ESC keys together and stop virus process in the Windows Task Manager.

(The name of the virus process can be random)


2. Show hidden files and folders.
a. For XP: Press Win+E together, click on Tools, then choose Folder Options

For Vista, 7 and 8: Press Win+E together, click on Organize, then choose Folder and search options.
b. 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 of the virus and then delete all.

Attention: Always be sure to back up your PC before making any changes.

a. Press Win+R to get the Run window. In the “Open” field, type “regedit” and click the “OK” button.


regitry editor

b. All malicious files and registry entries that should be deleted:




HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run\[RANDOM CHARACTERS].exe

HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion

4. Reboot the computer normally to take effective, when the above steps are done.

This Video Shows You How to Safely Modify Windows Registry Editor:

As the above mentioned, JS:Downloader-ZY [Trj] belongs to nasty Trojan horse process which can cause terrible virus infection, not only can it slow down the infected computer but also damage system files by modifying the system settings and registry. Some malicious processes will be created without PC user’s permission, those processes will take over high resources of the CPU and cyber criminals may have the chance to get into the infected computer to steal the information, thus, it needs to be removed completely before it causes further damage, or the infected PC will be in a high-risk situation.

If you have no idea how to do with that, please to contact experts from Yoocare Online Tech Support for further help.

Published by on May 4, 2014 7:37 pm, last updated on May 4, 2014 7:37 pm

Leave a Reply

Problems with your PC, Mac or mobile device?

Live Chat Now

Thanks for using YooCare Services!

Here're some of the support team members who are passionate about their works and support our customers 24/7.

As Seen On