My computer was hit by this Trojan.Downloader.Core.PDB virus and it performed extremely weirdly and poorly. I found it difficult to perform normal actions on the target computer. Though I ran security scans through the whole system several times and deleted all reported items, but my anti-virus software can’t seem to delete the Trojan horse entirely. What should I do? How can I clean out the Trojan virus from my computer without making any damage? Please, I need your help with this Trojan removal.

Information about Trojan.Downloader.Core.PDB Virus:

Trojan.Downloader.Core.PDB is a horrible Trojan horse that leads to destructive damages. It is designed by cyber criminals to target computer users all over the world. The Trojan can be circulated for a long time and it is looking for computers running with XP, Vista, Windows 7 and Windows 8, etc. in order to perform evil actions on compromised systems. Once the Trojan enters your computer, it gets installed in your system and launches as a background program. By running in the background, the infection takes up lots of your computer resources. It causes your CPU usage to reach 100% constantly while you search the web, play games, launch large programs and carry out other tasks. Meanwhile, pesky system stuck, constant freezes, system crash and other serious damages may occur to your computer. It is a harmful computer infection which is designed to modify system files and entries and creates hazardous files secretly. It drops malicious codes and copies of files to your system in order to trigger serious damages. Apart from messing up your system, the Trojan may disable your security programs and other executable programs terribly. As a result, you will need to resolve the Trojan problem in a manual removal way.

PC users should pay close attention to online activities, for the Trojan virus is distributed through spam emails, hacked websites and doubtful download sources and so on. The Trojan usually comes bundled with potential threats and it may help some unwanted add-ons, plug-ins and extensions add to your system without any consent. It causes your computer to have poor system performance and program functions. If you visit webs, news, videos and other stuff on the affected computer, you may result in annoying browser redirection and pop-up ads on your screen. Moreover, the Trojan changes itself daily and it is hardly deleted via anti-virus software. In this case, this Trojan.Downloader.Core.PDB virus should be removed from your computer manually with sufficient expertise.

Note: Manual Removal requires expertise and it is for advanced computer users, if you don’t have much experience in dealing with such virus infection.
Contact YooSecurity Online PC Experts for removal assistance.

Symptoms of Similar Trojan Infection:

– This Trojan.Downloader.Core.PDB virus can escape from most antivirus protection and get itself installed on computers especially with Windows operating systems.
– It can cause constant stuck or even blue screens on the infected computers.
– Computer users will experience constant security pop ups on the computers which may not truly represent the status of the PCs.
– Certain malware or spyware may be prompted by these fake security pop ups which will end up scamming money.
– Sensitive data like privacy can also be stolen and taken advantages by cyber criminals.

Manual Removal Step by Step Instructions

Up till now, there is not a perfect anti-virus tool that can detect this pesky Trojan virus or delete it entirely. Trojan.Downloader.Core.PDB has been updated by remote and backstage cyber criminals and is able to escape from the scan of any anti-virus programs thus it is hard to be removed or even found. The most effective way is to remove it manually. The following instructions need quite level of computer expertise, for manual removal is a complicated and difficult process. If you don’t know how to that correctly, please contact with YooSecurity online support now!

Step A: Open Windows Task Manager to end process related to this Trojan infection. To do that, press Ctrl+Alt+Del keys at the same time to pull up Window Task Manager; go to Processes tab on top and scroll down the list to find.


Step B: Open Control Panel from Start menu and search for Folder Options. Go to Folder Options window, under View tab, tick Show hidden files and folders and non-tick Hide protected operating system files (Recommended) and then click OK.


Step C: Press Windows+R keys to pull up Run box and type in regedit to open Registry Editor.


Step D: Delete all these associated files and registry entries with Trojan.Downloader.Core.PDB virus from Registry Editor. The registry files are listed randomly. Besides, you need to delete the infection files of the virus from your system files to prevent it from coming back. Those files are named randomly also but may be different on different operating systems.

Video on How to Modify or Change Windows Registry Safely:

To Summarize Shortly:

We learn that the Trojan.Downloader.Core.PDB virus is released through network and targets the computer during your visits to malicious webs, fake attachments and free download sources and so on. Upon installation, the Trojan horse will launch itself automatically every time the system starts. It can inject your system with malicious codes like adware parasites, worms, malware and spyware in order to affect your computer terribly. It can slow down your system performance, disable your normal programs, change your computer settings and trigger other destructive damages on your computer. Since your Firewall and security program are affected by the Trojan, you should figure out a manual removal way to save the computer timely.

Note: Have tried many methods but failed to remove Trojan.Downloader.Core.PDB virus? If you have no clue, please contact YooSecurity Online Experts in time to save your computer.

Published by Tony Shepherd & last updated on June 21, 2015 1:10 pm

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