Most antivirus programs classify jkklj.dll as a harmful extension to Internet Explorer: for example Trojan.Vundo (detected by Symantec), and TROJ_VIRTUMONDE_000003f.TOMA (detected by TrendMicro). Add-ons like this can display ads, slow down your computer and cause various other errors. If you can't remember installing the associated jkklj.dll software, it's no surprise. In most cases, this kind of adware is installed on the side when you install a freeware product like a Youtube Downloader or a PDF Converter. In the following selection, you can read more about jkklj.dll and how to get rid of it.
jkklj.dll does not provide any particulars about the software with which the process was installed, nor is the developer identified within the file.
Description: Jkklj.dll is not essential for Windows and will often cause problems. Jkklj.dll is located in the C:\Windows\System32 folder.
Known file sizes on Windows 10/8/7/XP are 36,864 bytes (66% of all occurrences) or 338,432 bytes.
This .dll file is a Browser Helper Object (BHO) that runs automatically every time you start your web browser. BHOs are not stopped by personal firewalls, because they are identified by the firewall as part of the browser itself. BHOs are often used by adware and spyware. IDs used by this BHO include 2379DC14-D286-46A0-BB37-28F5D759BEA0 or 45C2A50F-8F4A-496E-AF02-D0207525BF5A or 5 more variants. There is no description of the program. The program is not visible. There is no detailed description of this service. The jkklj.dll file is not a Windows system file. The jkklj.dll file is located in the Windows folder, but it is not a Windows core file. It is able to monitor web browsers. The program starts upon Windows startup (see Registry key: MACHINE\Run). jkklj.dll appears to be a compressed file. Therefore the technical security rating is 96% dangerous.
Recommended: Identify jkklj.dll related errors
Important: You should check the jkklj.dll process on your PC to see if it is a threat. If jkklj.dll has changed your browser's search engine and start page, you can recover your browser's default settings as follows:Reset default browser settings for Internet-Explorer ▾
The following programs have also been shown useful for a deeper analysis: Security Task Manager examines the active jkklj process on your computer and clearly tells you what it is doing. Malwarebytes' well-known anti-malware tool tells you if the jkklj.dll on your computer displays annoying ads, slowing it down. This type of unwanted adware program is not considered by some antivirus software to be a virus and is therefore not marked for cleanup.
A clean and tidy computer is the key requirement for avoiding PC trouble. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic Update. Always remember to perform periodic backups, or at least to set restore points.
Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.