Nov 12, 2015

Trojan.Injector.CAJK Removal Guide

Hey. I was browsing the Internet to find a hotel for my travel in Colorado after next few days. I clicked on a link by mistake. After that, I got a message asking me to download something which can help me find the hotel more easily. Without thinking twice, I clicked on Downloaded. After that application installed, my computer started to work weirdly. I don’t know why. I got fake report from my Window security frequently. Norton told me I got Trojan.Injector.CAJK virus on my computer. It was so strange. I did nothing wrong. Why did I get this malicious virus? The most important thing is that how I get rid of this Trojan? What should I do now?

Brief Introduction Of Trojan.Injector.CAJK Virus

Trojan.Injector.CAJK is created by vicious cyber criminals with the malicious purpose of hacking innocent computer users’ system. It belongs to Trojan family which may infect all kinds of computer systems such as windows XP, windows 7, 8 and windows 10 and so on. Once this Trojan gets into your computer, it may not do anything good on your system. You may find that your computer starts to perform weirdly and slowly than before once this virus installed. Lots of unwanted shortcut will be created automatically on desktop and you can’t remove them from your desktop. If you open your Windows Task Manager, you may see lots unknown applications are running at your background, and you don’t even know where these apps are located on your system. It seems that you still can use your computer normally, as a matter of fact, once this virus installed, it has the ability to take control of your computer completely. It is capable of monitoring your online actions. You should have a clear mind that once you detect this Trojan, you should take immediate measures to get rid of this virus as soon as you can before it messed up your whole computer.

Any careless activities you did on the Internet may bring Trojan.Injector.CAJK into your computer. Hence, if you want to avoid this virus, you have to pay more attention to your online action. You should not visit unsafe sites like porn site, open malicious pop-up ads, view porn video popping up from porn websites, download free software from unsafe sites or open spam email attachments. Once this Trojan gets the chance to sneak into your computer, it may ruin your security system as well as your firewall. It may act as a platform for other infections to dive into your compromised computer more easily, including other Trojans, adware, malware, spyware and fake warnings etc. This Trojan may create lots of pop-ups and ads to mess up your screen. Your system performance will be degraded to a large extent. As a result, while you are online, your web page may be crashed or stuck so frequently. Therefore, to make your computer got back to normal, you are strongly recommended to eliminate this Trojan as early as you can.

Processing manual removal should have a certain level of computer literacy. If you are not sure how to start or afraid of making any critical damage on the computer system, please open a live chat with YooCare Expert now!

What Will This Trojan Actually Do on Your Computer?

1. Desktop background image and Browser homepage settings are changed. Google, Yahoo Searches are redirected.
2. It may slow down your computer considerably and you will feel like your computer is stuck. This includes opening programs, shutting down your computer, and slow Internet.
3. It is capable to corrupt your windows registry and uses it to deploy annoying pop up ads out of nowhere. You will get many unwanted pop-ups on your computer.

Note: No matter how the virus accesses your PC, users should know that there are no tools can remove this pesky Trojan automatically at this moment, it is suggested users not spend much time in downloading or paying any security software which claims can delete this stubborn virus. It is totally useless. To completely get rid of Trojan.Injector.CAJK, professional manual guide is needed.

About Trojan Virus Removal:

Currently many computer users had the same experience that this virus couldn’t be removed by any anti-virus applications. So the manual approach is always required to combat this virus. And here is the step-by-step removal guide for all computer users.

1. End the malicious process from Task Manager.
Trojan.Injector.CAJK is installed,computer user may notice that CPU usage randomly jumps to 100 percent. At any time Windows always has many running processes. A process is an individual task that the computer runs. In general, the more processes, the more work the computer has to do and the slower it will run. If your system’s CPU spike is constant and remain at a constant 90-95%, users should check from Task Manager and see if there is a suspicious process occupying system resources and then end it immediately.

(The name of the virus process can be random.)

Press Ctrl+Shift+Esc to quickly bring up Task Manager Window:

task manager
2. Show hidden files and folders.

Open Folder Options by clicking the Start button, clicking Control Panel, clicking Appearance and Personalization, and then clicking Folder Options.

Click the View tab.

Under Advanced settings, click Show hidden files and folders, uncheck Hide protected operating system files (Recommended) and then click OK.

Folder Options

3. Open Registry entries. Find out the malicious files and entries and then delete all.

Attention: Always be sure to back up your PC before making any changes.

a. Press Windows key + R to open Run box. In the “Open” field, type “regedit” and click the “OK” button.


Then a Registry Editor window will pop up as the following picture shows:

registry editor

b. Search malicious files and registry entries and then remove all of them:

%AllUsersProfile%\Application Data\.exe

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\[random]
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Temp

Video Shows You How to Safely Modify Windows Registry Editor:


As we stated above, Trojan.Injector.CAJK is a risky and pesky computer Trojan virus. Once it gets into your computer, you must remove this virus in time. If not, it will become a great threat to your sensitive data. This virus is made by cyber hackers to pilfer computer users’ information. Once installed, it will trace all your online history to get your online data including payment issue, online baking detail, credit card information, email password and other valuable and profitable information. After this information got collected, it will be sent to remote hackers who may use your information in the illegal way so that they can make extra money. Therefore, if you detect this virus on your computer, you should get rid of it as soon as you can. You should also know that only manual removal way can remove this Trojan completely and permanently.

Note: Still have trouble in removing this virus? If you don’t want to mess up your whole PC, Please contact YooCare Experts for instant help now.

Published by & last updated on November 12, 2015 4:56 am

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