I have downloaded this Trojan.Cidox.C mistakenly, and now I don’t have any chance to remove it from my computer. It just sticks in my computer and I have no idea how to deal with it. My anti-virus program did help me detect it, but it seems that it failed to remove it. How can I remove it from my computer safely and completely without messing up my data? I don’t know too much about computer. Please advise.

Brief Introduction to This Trojan.Cidox.C

Trojan.Cidox.C is a highly-risk Trojan horse virus that can attack computers with Windows XP, Windows Vista, Windows 7 and 8 operating systems. With a small size, this Trojan can be easily distributed on the Internet by cyber hackers who create it. Cyber criminals usually hack into many websites, mostly web pages with adult contents and even some famous websites. Once those websites’ servers are hacked, this Trojan can be implanted into the servers. Innocent computer users who come to the infected web pages, their computers can be infected by this Trojan immediately as the Trojan can be treated as a cache file for computers to download. Except this, freeware can also be used as PC users use different programs for different purposes. So, cyber hackers mainly use those commonly used freeware to cover this Trojan and publish the infected programs on the web for people to download and use. Once the installation of the infected program is completed, this Trojan can also be installed without user notice.

Cyber hackers can use many mean ways to spread this Trojan.Cidox.C all over the world through the Internet. As a Trojan horse virus, many reputable anti-virus programs are able to detect it for computer users. However, cyber hackers also make this Trojan hard to be removed by those auto anti-virus software. Once this Trojan is activated, if a protection tool is installed on the infected computer, this Trojan can disable it from the system registry and damage the related files of it. Also, the system firewall can be turned off as well. In this bad situation, the infected computer can be attacked by more computer viruses and threats as this Trojan.Cidox.C can help them to infiltrate. The system registry can be messed up, this Trojan can replace some system values by its own keys so that it can be activated from the start up whenever the infected is on.

The condition of the infected computer can be worse and worse, as this Trojan is able to replicate itself and hide in many locations on the hard drive and corrupt the system files. Many junk files can be created by this Trojan which can waste a lot of space of the computer hard disk. In this case, the infected computer can run slowly and sometimes can get stuck as this Trojan can consume many percent of the CPU usage. If this Trojan infected can’t be removed soon, the infected system can finally come to a complete crash, at that time, the infected computer cannot be used totally.

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.Cidox.C 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.Cidox.C, 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.Cidox.C is a deadly Trojan horse infection that can make destructive damage to the infected computer. Mostly, this Trojan aims on Windows machines. It can be spread from the Internet by cyber criminals. It is not a simple work for auto anti-virus program to remove it completely as this Trojan is able to corrupt the protection tool once it is activated on the infected computer. PC users who suffer from this Trojan virus should take it serious as it can lead the infected computer to a complete crash if it cannot be removed in time.

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

Published by Tony Shepherd & last updated on May 11, 2014 1:02 pm

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