TrojanDownloader:win32/upatre.A Virus Removal

Security tools detects TrojanDownloader:win32/upatre.A virus? How can this virus invade your computer but you have no idea about it? Do you have to remove it manually if your security tools can not get rid of it completely? What is the the best way to fix this problem on your computer? Learn more from this post.

Description of TrojanDownloader:win32/upatre.A Virus:

TrojanDownloader:win32/upatre.A is a malicious Trojan horse process which targets on the PC users. Usually this virus can be spread via some free programs, E-mail attachments and other executable processes. Once the PC users open these infected files, TrojanDownloader:win32/upatre.A will be able to infect the computer in a short time. This nasty virus process can still invade the infected machine even it is under the protection of the security tools, most of the PC users won’t know this virus infection until the anti-virus program gives a virus infection warning. However, this Trojan horse will not be removed easily by the anti-virus program, it keeps appearing after the PC users restart or rescan the infected PC, thus, it is recommended that you should remove this virus by a manual way.

In general, once this TrojanDownloader:win32/upatre.A has been installed to the infected machine successfully, it can cause terrible virus infection on the infected PC such as slow performance and system crash. Spending more time on opening a process or going online can be the most annoying thing to the PC users, what is more, the infected machine may suffer other virus infections like browser hijack redirect, Worm, rogue program and even the malware because TrojanDownloader:win32/upatre.A has the ability to download them via its backdoor process. The infected PC will be in an extremely dangerous situation after being infected, PC users should remove it as soon as possible.

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 TrojanDownloader:win32/upatre.A 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:

In summary, TrojanDownloader:win32/upatre.A can infect all the Windows operating system like XP, Vista, 7 and 8. The backdoor process of this Trojan horse will run automatically once PC users turn on the infected computers, then cyber criminals will be able to collect information like account’s number, password, personal E-mail and files on the infected machine. History, cookies and even favorite can be viewed as well. Anyway, this Trojan horse needs to be removed completely to keep the infected PC safe.

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 13, 2014 1:46 am, last updated on May 13, 2014 1:46 am

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