Must I have to reinstall the system to get rid of this Trojan.Cozer!gen4 on my machine? I have a lot of data saved on my computer and I don’t want to lose them. Is there any other way that I can trust to eradicate this stuff? It is painful to have such a bad virus on my computer. By the way, my anti-virus application can’t remove it for me, how come?

Brief Introduction to This Trojan

Trojan.Cozer!gen4 is categorized to be a notorious Trojan horse infection. It is a type of evil product made by cyber criminals who want to get benefits from victims. Computers which run Windows XP, Windows Vista, Windows 7 and Windows 8 can be the main targets for this infection to attack. Also, the ways of this infection to spread to target computers can be various as cyber hacker can exploit the Internet to be their main place to hide this infection. Under this circumstance, computer users can take great risk to be targeted when they go online as this infection mainly hides in those unsafe pages and even some legit websites can contain this virus as well as hackers can attack them through the loopholes in them.

Not only sneaking into target computers through web pages, this Trojan.Cozer!gen4 virus can also come to target computers with other programs. Cyber hackers can bundle this infection with other programs and upload those infected software to the web for people to download. It is not easy for users to make a distinction between good programs and infected programs on the web. So, after people install the corrupted programs to their machines, this Trojan can infiltrate in the meanwhile. In addition, cyber hacker can be capable to send this infection to innocent users via E-mails. Those bad guys can forge this infection to be an attachment in E-mails, also they will forge the contents of the E-mails to lure people to open the attachment, when people click the attachment, this Trojan can be installed.

The whole system can be messed up by this Trojan.Cozer!gen4 infection. Usually, this kind of Trojan infection never comes to the target computer alone. It can make the infected machines compromised and help other computer malware to make more damages. Also, this infection can disable the security tools installed on the infected machines and the system firewall. The system registry cannot escape from its corruption too. It can modify the registry arbitrary and add its vicious data into it to make sure it can take effect from the startup. The whole performance on the infected machine can be slowed down due to the damage of this Trojan infection.

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.Cozer!gen4 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.Cozer!gen4 is an extremely dangerous infection that can do massive damages to the infected computers. Its targets can be the Windows computers all over the world as it can be mainly spread from the Internet. Once this infection sneaks into the target machines, it will cause too many problems and troubles to mess up the whole computers. What’s worse, this Trojan horse virus can even help cyber hackers to connect to the infected computers to steal privacy to get illegal benefits. In a word, this Trojan virus must 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 Trojan.Cozer!gen4? Contact online experts for help now!

Published by Tony Shepherd & last updated on March 19, 2015 1:05 pm

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