My computer gets hit by this nasty Backdoor:Win32/Caphaw.AG. I didn’t do anything wrong, I only use my laptop for watching video, listening music and surfing online. I don’t know when it came to my computer. Recently, my anti-virus program warns me about this Trojan very often, but every time after I used the security program to remove it, it seems that it is never gone in my computer. The program warns me again and again. What can I do to get rid of it completely?

Brief Introduction to This Trojan

Backdoor:Win32/Caphaw.AG is a tricky Trojan infection which can make destructive damage to the infected computer. Trojan infection aims on computers with Windows operating system, From Windows XP, Windows Vista to Windows 7/8, many windows users get infected by this Trojan all over the world. As the size of this Trojan is small, it is easy for cyber hackers who create this Trojan to spread it on the Internet. Many websites can be hacked by cyber criminals and can be implanted by this Trojan; computers can easily be infected when computer users visit the infected websites. Also, this Trojan can also hide in free programs that can be found on the Internet. When people try to install those infected free programs, this Trojan can infiltrate during the installation process.

As a Trojan infection, this Backdoor:Win32/Caphaw.AG can be detected by most of the anti-virus programs nowadays. But once the security program detects this Trojan for computer user, it also means that the computer has already been infected by this Trojan severely. This Trojan has the ability to corrupt system files and mess up the windows registry. Many system related files can be damaged or edited by this Trojan which can cause the system run improperly. As many system files get infected, the anti-virus program cannot remove the infected files as they are important for the system. Also, the files relates to the security program can also be removed. In order to stay longer in the target computer, this Trojan can also duplicate itself into many branches and hide in many places in the hard drive. That causes a lot of trouble to remove it completely.

This Backdoor:Win32/Caphaw.AG is also designed for illegal access. Once this Trojan is activated on the infected computer, remote hackers are able to get into the infected computer secretly without user approval. Those crooks can take control of the infected computer remotely and can get anything they need on the infected system, especially financial details like bank account and credit card, also other personal information can also be collected by hackers. Except that, cyber criminals can even block the whole system remotely so that the PC user cannot use the computer any more. This Trojan can waste a large percent of the CPU usage in the infected computer, which causes the computer gets a poor performance.

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 adware.
-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 Backdoor:Win32/Caphaw.AG 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:


Backdoor:Win32/Caphaw.AG is a dangerous Trojan infection that can slow down the performance of the infected computer and mess up the whole computer system without consent. This Trojan is not easily to be removed by anti-virus program as it can duplicate itself and hide deeply in the infected computer. With the help of this Trojan, many other computer viruses and threats can invade. The main purpose of this Trojan is to get illegal access to the infected computer. PC user will suffer from data loss or even money loss if this Trojan cannot be removed as soon as possible.

Suggestion: To follow removal guide that mentioned above, a level of computer knowledge is needed. Still can’t get out of Backdoor:Win32/Caphaw.AG? Contact online experts for help now!

Published by Tony Shepherd & last updated on March 27, 2014 2:57 am

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