Most antivirus programs identify jkkll.dll as malware—such as Kaspersky identifies it as not-a-virus:AdWare.Win32.Virtumonde.hc, and Symantec identifies it as Trojan Horse.
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The process itself does not provide any dependable information about its developer or its associated software.
Description: Jkkll.dll is not essential for Windows and will often cause problems. Jkkll.dll is located in the C:\Windows\System32 folder.
Known file sizes on Windows 8/7/XP are 266,336 bytes (7% of all occurrences), 577,588 bytes and 33 more variants.
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 93C6313C-9DB4-4694-8BD0-E378C573A9AD or C25FA7CE-23EA-4271-A66D-06C4D5C22F78 or 51 more variants. There is no file information. The program has no visible window. There is no detailed description of this service. The jkkll.dll file is not a Windows core file. Jkkll.dll is located in the Windows folder, but it is not a Windows core file. It is able to monitor web browsers. Jkkll.dll is able to monitor applications, manipulate other programs and record keyboard and mouse inputs. Therefore the technical security rating is 93% dangerous.
Recommended: Identify jkkll.dll related errors
If jkkll.dll is located in the Windows Temp folder, the security rating is 100% dangerous. The file size is 289,280 bytes. There is no information about the author of the file. The program is not visible. Jkkll.dll is able to record keyboard inputs. The service has no detailed description. The process starts upon Windows startup (see Registry key: Run). It is not a Windows system file. jkkll.dll appears to be a compressed file.
Important: You should check the jkkll.dll process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.
A clean and tidy computer is the key requirement for avoiding problems with jkkll. 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 doing a repair of your installation, or in the case of Windows 8, executing the DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.
To help you analyze the jkkll.dll process on your computer, the following programs have proven to be helpful: Security Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.