I can’t remove a virus called Trojan.Cryptolocker.AC with the help of my anti-virus program. I have tried several times but go nowhere. It makes me worried that I have a lot personal information saved on my computer. Can this Trojan damage my system and steal my privacy? Anyway, I want my computer clean from this virus but I don’t know what to do. I’m not a computer savvy, can someone help me out of this? Thanks in advance.

Brief Introduction to This Trojan

When this Trojan.Cryptolocker.AC infection infiltrates target computers, it can cause lots of troubles to the entire systems from many aspects. It has been classified to be a malicious Trojan horse infection by many security companies. This Trojan horse virus can use many ways to sneaks into target computers via the Internet which users are hard to realize. What’s worse, this virus is designed to steal personal information on the infected computers and it can even download other computer malware to encrypt the files on the systems. Once the files are encrypted, users are not able to open or use them anymore. In order to encrypt the files, people must be asked to pay a large amount of money to decrypt the files.

It is easy for cyber hackers to spread this Trojan.Cryptolocker.AC on the web as they can upload this virus to many websites and wait for innocent computer users to come. Websites especially porn sites and unsafe pages which provide software downloading can be the main sources to spread this infection. Hackers can put this virus to the servers and edit the malicious scripts to the pages, in this case, as soon as people open the corrupted pages or downloaded programs on those websites, their computers can be attacked by this infection immediately.

Once this Trojan.Cryptolocker.AC infection comes to the infected machines, the system registry can be messed up by it instantly. It can add its vicious data to the registry so that it can be activated from the startup. That means whenever the infected computer is booted up, this virus can always start to work with the system. With this Trojan running on the background, computer users keep encountering unwanted errors during the use. This virus can cause black screen and blue screen of death often. Also, the operating speed can be slowed down as this Trojan can generate a lot of pop-ups to users. Do not click any pop-up as they are designed to download more computer viruses to the infected systems to make the situation even worse.

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.Cryptolocker.AC 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:


It is not a good thing to be infected with this Trojan.Cryptolocker.AC on your computer. It is an extremely dangerous Trojan horse infection that can not only damage your system but can also encrypt your files saved on your machine. You will be asked to pay a lot of money to recover your files if they are encrypted. It is a difficult thing for users to prevent this virus from coming as cyber hackers can spread it with many methods. To keep your computer from other viruses attack and protect your personal information, 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.Cryptolocker.AC? Contact online experts for help now!

Published by Tony Shepherd & last updated on January 7, 2016 1:18 pm

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