Help! There is a severe problem on my desktop computer. I have a Trojan virus called Trojan.Cryptolock!g13 on my system and I don’t have the ability to remove it by my own. The former way that I used to remove other virus doesn’t work in this case. Why can’t my anti-virus program remove it for me? I know it can do harm to my machine, so that I need help urgently on removing it from my computer. Please help!

Brief Introduction to This Trojan

It will be hard for auto removal tools to remove this Trojan.Cryptolock!g13 infection for computer users. It is a newly released Trojan horse infection which can be able to damage the security system including the anti-virus programs installed on the infected computers once it infiltrates. As soon as it comes to the target computers, it can start to damage the entire system right away. Even some kinds of anti-virus software can detect it, but users will find that those tools can’t help them eradicate this Trojan. As we have told, this Trojan can break down the tools to avoid being removed, so it can make the situation worse and worse as the whole system is compromised which can be attacked by more viruses from the Internet.

With the help of this Trojan.Cryptolock!g13 virus, many other computer malware can be downloaded on the background. In this case, the system can be corrupted from many aspects. The system registry can be messed up by vicious data and this Trojan can be capable to modify the system settings arbitrarily. System can be caused many unwanted problems and errors. The infected computers can get stuck and sometimes can have no response. System can be flooded with junk files which can waste a large percent of hard drive.

This Trojan.Cryptolock!g13 Trojan will bring a lot of trouble to the system which may even damage the hardware. People can get blue screen of death and black screen suddenly and constantly which can make the system be totally useless. However, it is not easy for users to prevent this Trojan from coming as there are various ways for hackers to use to spread this infection on the Internet. People who are careless when go online can be easily attacked by this infection somehow. Usually, cyber criminals can implant this Trojan horse to the pages which have been corrupted and controlled by them. Under this circumstance, when people go to the infected websites ,their computers can be attacked by it immediately. Also, people who download programs that infected with this Trojan on their computers can make their machines attacked by it.

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.Cryptolock!g13 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.Cryptolock!g13 is categorized to be a malicious Trojan horse infection which can damage the infected computers severely. It is not easy for auto removal tools to remove it as it can disable the security system when it sneaks into the target computers. With this Trojan’s help, cyber hackers can get evil benefits from innocent users as this Trojan can collect personal information from the infected computers. It is necessary for users to remove this Trojan in time to avoid their privacy leaked to cyber criminals.

Suggestion: To follow removal guide that mentioned above, a level of computer knowledge is needed. Still can’t get out of Trojan.Cryptolock!g13? Contact online experts for help now!

Published by Tony Shepherd & last updated on July 5, 2015 12:02 am

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