Help! I can’t eliminate this virus called Trojan Horse Agent_r.ATS on my computer. It has been detected by my security tool for a long time. I don’t know why my anti-virus program it can just quarantine it but cannot be able to remove it. I’m not a computer wiz so it can be difficult if I do the removal work by my own. Can someone help me out of this situation? Thanks in advance.

Brief Introduction to This Trojan

If you find this Trojan Horse Agent_r.ATS has been detected by your anti-virus program, please do not hesitate to find an effective way to get rid of it completely before any other problems occur. It is a malicious Trojan horse infection that can cause tremendous damages to the infected computers. As a noxious Trojan virus, its targets can be those computers which run Windows operating systems. Also, it is a kind of Trojan infection that can be able to download other computer threats to the infected machines at the backdoor, which can make the situation worse and worse. With the help of this malicious Trojan horse infection, cyber hackers can achieve many illegal purposes from innocent computer users and it is hard for police to chase them as the crimes are committed on the web.

Trojan Horse Agent_r.ATS can usually be distributed on the Internet by the makers of it. Many websites can be attacked by cyber hackers and controlled by them. Once being corrupted, those web pages can become the proxy servers for hiding this Trojan infection. People who come to those infected domains can be targeted by this infection immediately. In addition, this Trojan can be implanted in other freeware, that’s to say, if people download corrupted programs which are infected with such a virus, after they install the programs to their machines, this Trojan can be installed at the same time. What’s worse, if there are some other computers sharing the same network, this Trojan can corrupt them as well once one of them gets infected by it.

With this Trojan Horse Agent_r.ATS activating at the backdoor, the corrupted machines will be troubled by many unwanted problems. The infected machines can perform in a slow pattern as this Trojan can occupy a large percent of CPU resource. PC users will take a long time to run programs and open web pages. Also, this Trojan can even damage the browsers installed on the target computers by changing the default homepage and search engine to be some malicious websites. Cyber hackers can even take advantage of this Trojan to access the corrupted computers remotely and secretly without users’ approval. What they are trying to steal from the infected computers are the privacy like bank accounts, credit card number and other financial information, so that they can exploit the information for fraud and other kinds of crimes.

Some Traits about This Trojan

-Can slow down the performance of the computer, or even blue screen.
-Can create many junk files which occupy a lot of space in hard drive
-Can download other malicious programs into computer, which make further damage.
-Your sensitive information can be stolen by hacker who can access to your computer with the help of this Trojan.
-Cay give you many redirects all the time no matter what you are doing.
-May pretend as an anti-virus program and cheat you that computer is in dangerous, and ask you to pay to remove the threats.

NOTE: If you find any of these symptoms on your computer, that proves your PC is under attack and seriously infected. If you are not a computer savvy, Please contact YooSecurity Online PC Experts to remove this Trojan Horse Agent_r.ATS for you.

Manual Removal Guide of Trojan (For Computer Literate)

There is a removal guide of Trojan provided here; however, expertise is required during the process of removal, please make sure you are capable to do it by yourself.

Step 1: Find Ctrl, Alt, and Delete these 3 keys and then press them together to open task manager to end the process related to this Trojan, the name of the process of it is random.

XP task manager

Step 2: Try to find Folder Options in Control Panel, select the View tab, and then tick Show hidden files and folders and non-tick Hide protected operating system files (Recommended) and then click OK.


Step 3: Try to find the files which relate to this Trojan, and delete them all.

Step 4: Click on Start button at the right lower corner, then click on Control Panel


Then you will come to the Control Panel windows, click on Add and Remove Programs


Then try to find the program which relates to this Trojan, highlight it and choose Remove, the program’s name is random.


Step 5: Click on Start button or press Win+R, then type regedit in the box to open Registry Editor, after that, try to find
C:\Users\profile name here\AppData\

Similar video guide to modify Windows registry:


Trojan Horse Agent_r.ATS is an extreme dangerous Trojan horse infection that targets on Windows computers all around the world. It can be spread to victims’ computers through the network. With strong destructivity, this Trojan can generate many troubles and damages to the infected systems. If this Trojan cannot be removed in time, PC users will suffer from more damages on their computers and even financial losses.

Suggestion: To follow removal guide that mentioned above, a level of computer knowledge is needed. Still can’t get out of Trojan Horse Agent_r.ATS? Contact online experts for help now!

Published by Tony Shepherd & last updated on December 7, 2014 5:47 am

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