How to Remove Jigsaw - Jigsaw Removal Guide

The computer runs more and more slowly. Is Jigsaw detected by the antivirus software installed on your PC? You click the remove button of your antivirus but the infection is still persisting? Don’t know why it’s so hard to remove it using an antivirus? Read this post to know more about the virus.

Detailed Description of Jigsaw

Jigsaw is one of the vivid representatives of the dark side of the software world. This Trojan virus can target computers with different Windows operating systems such as Windows XP, Windows 7, Windows Vista or Windows 8. Through hacked website, spam email sending or some freeware that is embedded with malicious code, it can transfer from one computer to another by network. It is important that you take care when surfing the internet so as to avoid being attacked by this Trojan virus as well as other threats.

The cyber criminals created this Trojan to attack the targeted machine via exploiting system security vulnerability and unprotected networks. To begin with, it will make changes to system settings and registry entries, by doing which it can be activated whenever the Windows is logged on. What’s more, as this Trojan takes up a lot of valuable system space and memory, the computer becomes rather slow. Even if you don’t open any programs and run any applications on the computer, the performance of the computer also decreases drastically and the Windows Explorer keeps freezing. When you run a program, visit a site or even double click to open a Word document, the computer needs a long time to respond. You even cannot find some files since they have been removed from their original places by the Trojan virus. Moreover, cyber criminals can monitor your computer activities once your network is connected. Cyber criminals use it to bring potential threats to your infected computer. No one can imagine what disastrous consequences it may bring to the PC. Therefore, if you want to secure your computer system and personal information, you’d better get rid of this Trojan virus quickly.

Jigsaw contains complicated structure that no antivirus program can eradicate it till now. The cyber criminals create such Trojans with innovative techniques. The infection can pretend to be part of Windows so that it is difficult for antivirus programs to delete it completely. Hence, the manual removal solution must be the most effective and the safest way to remove it.

The manual guides below need adequate knowledge of computer technique. If you want to avoid making any critical mistakes during the process, please try the automatic removal tool.

Guide to Remove Jigsaw from Your PC

Jigsaw is a Trojan virus which can sneak into your computer silently without consent when you surf the Internet. Your computer performance will become slower and slower due to the Trojan and the additional threats brought by it. What’s worse, the infection enables hackers to access to the system and steal your information. It is strongly suggested that you remove this Trojan virus as soon as possible. Users can take the manual removal instructions into account if they need to get rid of the malware.

Step 1. Change the Folder settings and show hidden files

(1). Click the Start button and go to Control Panel

(2). Click the Appearance and Personalization link

(3). Hit the Folder Options link

(4). Click the View tab in the Folder Options window

(5). Select the Show hidden files, folders, and drives under the Hidden files and folders category

(6). Click OK at the bottom of the Folder Options window.

Step 2. Delete the registry entries and files created by the Trojan.

(1). Remove the related registry entries

Open registry editor by clicking “Start” menu,typing “regedit” in the “Run” box and then clicking “OK” button.

While the Registry Editor is open, search for and delete the following registry entries showed below:

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run\[RANDOM CHARACTERS].exe
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings “CertificateRevocation” =Random

(2). Locate and delete the relevant infected files of this Trojan.

%AllUsersProfile%\Application Data\.dll HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Random “.exe”

All in all, Jigsaw is a dangerous computer threat which is able to compromise vulnerable computer system and attack users’ privacy. If your PC is unfortunately attacked by it, the performance will be affected. You will get irritated if you have some important work to do on such a sluggish computer, for it greatly decreases the work efficiency. Besides, the computer will restart by itself all of sudden, which may lead to loss of important data. It can occupy your drive and your cookies for sensitive personal data, particularly email addresses and financial information and sends it to the malware developers who then turn around and sell it. To keep your computer and your personal data safe, please remove Jigsaw as soon as possible.

Guide to Remove CTB Locker from Your PC

When you tried to run a program, the computer could not respond immediately? You enable an antivirus tool on the computer to make a scan for the PC and eventually get the reason why it works like a crawl – the scan result notifies you that there is a Trojan horse named CTB Locker lurking on the computer. You have tried to use the antivirus program to fix it, but it still appears on the scan result at the next time you run the program? How can you completely remove this Trojan from your infected system?

CTB Locker description

CTB Locker is created to aggressively attack your computer. If you click on unknown links, for example, links released by this evil hackers, open spam email attachments, download free media sources or visit malicious websites, your computer may get infected with this Trojan. To avoid being infected, you need to be attentive when surfing the Internet.

This Trojan can infect a computer and finish its installation within a short time. It will perform the pre- defined invasion task distributed by the cyber hackers as soon as it unnoticeably infiltrates into the system. First of all, it modifies the system registry so that its file can be executed every time you start up the PC. Then the infected computer will work extremely slowly. For instance, if you double click to run a program or visit a site, you will need to spend a long time waiting for the reaction. Besides, your computer shuts down without any warning now and then, which will cause damage to the system. Meanwhile, it serves unpleasant pop up ads and error messages on screen to harass you. This means the criminals will know whatever you do on the internet. They will use the information for illeagal purpose. It should be removed immediately.

CTB Locker is hard to detect and remove only by a common antivirus program, because it has been designed to have the ability to disguises itself as a legit part of the computer system. The manual removal can help you remove the Trojan, but it is very risky. But you should be cautious when performing the manual removal, for any mistakes would cause severe system damage.

The manual removal requires certain computer skills. Taking the professional removal tool into account would be a better way.

Manual Removal Guides:

CTB Locker is a vicious Trojan that installs itself on your computer without any notice. It not only slows down your computer performance, but also adds other cyber threats to compromise the system. The Trojan also enables to hackers to gain unauthorized access to your system and steal your confidential information. It is wise for you to remove this pesky infection with dispatch. Follow the instructions below and you can successfully clear the infection.

Step1: Stop related processes


For Windows 7 / Windows Vista

1、Right-click on Task Bar and click click Task Manager;
2、swich to Processes tab, right-click on the processes associated with the virus and click End Process

For Windows 8 / 8.1

1、Right-click on Task Bar and click click Task Manager;
2、Under the Processes tab, right-click on the processes related with the virus and click End Process

Step2: Show all hidden files

For Windows 7 / Vista

1、Click and open Libraries
2、Under the Folder Options category of Tools , click on Show Hidden Files or Folders.
3、Under the Hidden files and folders section, select the radio button labeled Show hidden files, folders, or drives.
4、Remove the checkmark from the checkbox labeled Hide extensions for known file types.
5、Remove the checkmark from the checkbox labeled Hide protected operating system files (Recommended).
6、Press the Apply button and then the OK button.

For Windows 8 /8.1

1、Click on Windows Explorer.
2、Click on View tab.
3、Check the "Hidden Items" box

Step3: Erase CTB Locker Virus related of files

%ProgramFiles%\Internet Explorer\Connection Wizard\[random]

Step4: Terminate these Registry Entries created by CTB Locker.

For Windows 7 /Vista, and Windows 8 /8.1:

1、Keep pressing "Windows+R" keys on your keyboard.
2、Type "Regedit" into the Run box and click OK to open Registry Editor.
3、Find out and delete malicious files below:

HKEY_CLASSES_ROOT\CLSID\{750fdf0e-2a26-11d1-a3ea-080036587f03}\InProcServer32 "(Default)" = "\.dll"
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run "courts" = %AppData%\p1.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\[random]
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run "SD2014" = "%AppData%\\.exe"
HKEY_CURRENT_USER\Software\Classes\.exe\shell\open\command "(Default)" = "%LocalAppData%\.exe" -a "%1" %*

CTB Locker is a highly dangerous Trojan horse created by the hackers with the intention of stealing users’ confidential information from the compromised computers. It will increase the opportunities for the malicious program to invade into your PC if you always visit the unsafe websites. Once infected, your computer performance becomes poor and the system will often encounter sudden shutdowns, which may cause your data loss. The cyber criminals can make use of the Trojan to steal your information for commercial purposes. It is strongly suggested to remove this nasty Trojan horse as soon as possible.