Is your computer infected by Win32:Kryptik-PFA virus? Do you know how it comes to your system? Does your computer freeze and crash all the time? How to clean out this Trojan horse from the computer completely without reformatting hard disk?
Win32:Kryptik-PFA is categorized as Trojan Horse that can come bundled with free downloads or penetrate into the computer by visiting harmful websites, clicking suspicious links and pop-ups or downloading attachment from a spam Email. It targets Windows computers that include Windows XP, Windows Vista, Windows 7, Windows 8 (8.1) and Windows 10 and causes destructive damages once it is installed. Typically, symptoms of a trojan infection may be very obvious or not visible at all. But for this one, it can slow down your PC notably and display tons of unwanted pop-up ads to disturb your online activities. The Trojan is designed to introduce other viruses like rogue programs, adware, spyware and malware to your computer, even to steal your personal information. It can keep record of the sites you visited, steal your sensitive data like password, username, credit card details, bank account information, capture your keystrokes and send these information to cyber criminals without your awareness.
In addition, this type of Trojan can modify data on your computer so that your computer doesn’t run correctly or you can no longer use specific data. It may take a long time for you to open a webpage or run program. Also you may receive fatal error like “Internet Explorer is not responding” all the time that blocks you from doing anything on the PC. When you open Task Manager, you can see CPU usage is high even if you only open few programs. And you may also find that Internet browser is hijacked and keeps redirecting you to other websites you don’t want. Win32:Kryptik-PFA virus is malicious and it can perform many bad actions that have not been authorized by the user. Therefore, you had better get rid of it manually as soon as possible.
1. It can compromise your system and may introduce additional infections like rogue software.
2. It forces you to visit websites and advertisements which are not trusted and may lead you to pay money wrongly for worthless products.
3. It takes up high resources and strikingly slows down your computer speed and even causes your computer stuck frequently.
4. It may allow cyber criminals to track your computer and steal your personal information.
From malicious drive-by-download scripts from corrupted porn and shareware / freeware websites.
Through spam email attachments, media downloads and social networks.
When clicking suspicious pop-ups or malicious links.
Open unknown email or download media files that contain the activation code of the virus.
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.
Once Win32:Kryptik-PFA virus 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：
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.
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:
b. Search malicious files and registry entries and then remove all of them:
%AllUsersProfile%\[random]
%AppData%\Roaming\Microsoft\Windows\Templates\[random]
%AllUsersProfile%\Application Data\.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\[random]
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Temp
Win32:Kryptik-PFA virus is commonly Trojan horse that usually comes along with freeware downloaded from the Internet or attached with spam emails. It modifies startup items so that it can get started simultaneously with the system startup. The virus can disable security products and add junk lots of files to system to occupy system resource. Victims who get this virus may keep finding some objects were infected with Win32:Kryptik-PFA. But when they take action to remove the virus, it gives an error or the window stops responding immediately. Besides, the virus can make your PC become very unstable. Blue Screen of Death problems and automatic shutdowns occur frequently. Win32:Kryptik-PFA virus has to be deleted as soon as it is detected.
Note: If you are not knowledgeable enough to be able to distinguish the location of this virus, or you are afraid of making mistake during the manual removal, please contact experts from Yoocare Online Tech Support for further help.
Published by & last updated on May 11, 2015 1:39 am
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