How DO I Remove Popup KaraToh Virus?

Is there any method to save my computer? My computer got a Popup KaraToh Virus infection. I don't know what it is. My friend told me it's a virus and I have to remove it. I know my computer is not safe to use now but I don't know how to deal with it. At this moment, I have to shut it down. Will this stop the virus doing any harm? If I restart the computer, will the virus disappear?

Popup KaraToh Virus Description

Popup KaraToh is a newly-released Trojan infection which could be detected by some security software but can never be removed completely. Popup KaraToh is mainly promoted via hacked websites, spam email attachments and freeware downloads, which is expert in utilizing security loopholes to spread its corrupted codes into other computers in fast speed. With the installation processes of those infected programs, this Trojan can sneak into target computers without users'notice. If computer users are careless when opening E-mail, this Trojan can also infiltrate their computers as hackers use fake E-mail to transmit this Trojan as well. Trojan infection can be easily caught by anti-virus programs, however, it doesn't mean the security tools are able to remove it completely. For those hackers who make this Trojan, they have already noticed that, so this Trojan can damage the anti-virus program once it comes to the target computer, which means it can disable the anti-virus program to run. Also, the system firewall can be disabled. In this condition, this Trojan can help many other Trojans or viruses to come, which can make the situation even worse. This Trojan is small but it can make destructive damages to the infected system. Popup KaraToh can waste a large percent of the CPU usage that can slow down the performance of the infected computer. PC user will have to wait a long time before program can be opened, what's worse, PC users will get black screen or blue screen of death suddenly during the use of the infected machines. It is not a pleasant thing to use a computer with many unwanted problems. Remote hackers can use this Trojan to establish illegal access to the infected machines. In this case, cyber hackers can steal everything without users approval from the infected computer.

How to Prevent Popup KaraToh? The precautions offered here are made according to the way Popup KaraToh spreads. Take a glance at the below list to make yourself informed: Install and regularly update genuine and powerful anti-virus programs, Firewall and programs providing Internet security aids. Run computer-friendly applications to repair bugs and errors. No visit to unknown websites and no casual trial of the latest products before careful examination. Never accept suspicious files through instant messages. Set the Security Level of instant chat tools as high. Use “Custom” installation method when installing a third-party program. Seldom use freeware/ shareware. Download and update programs from official web sites rather than random messages pop up from nowhere. Manual Removal Guides: 1.Reboot the PC and keep pressing F8 key on the keyboard upon PC startup but before logging in. Hit the arrow keys to choose "Safe Mode with Networking" option, and then tap Enter key to enter Safe Mode with Networking.

2.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.

3.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.

4.Open Registry entries. Search malicious files and registry entries related to Popup KaraToh and then remove all of them.

5. Delete all add-ons related to Popup KaraToh from the browsers Google Chrome Click on wrench icon-> locate Tools-> click on Extensions-> click on the bin icon or uncheck the items related to Popup KaraToh.

Internet Explorer Click Tools>select "Manage Add-ons">"search providers">set Yahoo or other reputable search engine as your default one>go to "search results">remove its add-ons

Mozilla Firefox Click on Firefox button-> click on Add-ons-> search for all the extensions of Popup KaraToh from the list-> click on the Remove button on each line.

In summary

As it is discussed, the Popup KaraToh virus does great harm to the target computer. It is designed to damage the contaminated system and pilfer important information from unknown computer users. In fact, the Trojan corrupts your computer greatly to cause system crash and computer freezing problems. It slows down the system performance and affects executable programs greatly. Most of your favorite settings are typically changed unexpectedly. As a matter of fact, many executable programs are corrupted by this Trojan to function normally, especially the anti-virus program.