What is kl1?
Kl1.sys is a Windows driver. A driver is a small software program that allows your computer to communicate with hardware or connected devices. This means that a driver has direct access to the internals of the OS, hardware etc.
The free file information forum can help you determine if kl1.sys belonging to the Windows system or an application you can trust.
Kl1.sys file information
The process known as Kaspersky Unified Driver or Kaspersky Anti-Hacker Only Driver belongs to software Kaspersky Anti-Virus or Kaspersky Internet Security or Kaspersky Anti-Virus Personal or The Shield Deluxe (version 2008) or Kaspersky Anti-Virus for Windows Workstations by Kaspersky Lab (www.kaspersky.com) or Kaspersky Lab ZAO (www.kaspersky.com).
Description: Kl1.sys is not essential for the Windows OS and causes relatively few problems. kl1.sys is located in the folder C:\Windows\System32\drivers.
Known file sizes on Windows 7/XP are 18,795 bytes (37% of all occurrences), 110,360 bytes and 10 more variants.
The driver can be started or stopped from Services in the Control Panel or by other programs. The program is not visible. The file is not a Windows system file. The service has no detailed description. kl1.sys seems to be a compressed file. Therefore the technical security rating is 25% dangerous, however also read the users reviews.
You could remove the entire program Kaspersky Internet Security or Kaspersky Anti-Virus using Windows Control Panel.
Recommended: Identify kl1.sys related errors
Important: Some malware disguises itself as kl1.sys, particularly when not located in the C:\Windows\System32\drivers folder. Therefore, you should check the kl1.sys 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.
Whizard (further information)
Security Task Manager shows all running Windows tasks including embedded hidden functions (e.g. keyboard or browser monitoring, autostart entry). A unique security risk rating indicates the likelihood of the process being potential spyware, malware, keylogger or a Trojan.
Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, trojans, keyloggers, malware and tracking threats from your hard disk. Ideal supplement to Security Task Manager.
SpeedUpMyPC scans, cleans, repairs and optimizes your computer.
vmnetdhcp.exe gdfirewalltray.exe mwaser.exe kl1.sys bpkhk.dll iswshex.dll navihelper.dll vbptask.exe accwlsvc.exe mcmnhdlr.exe bizvserialnt.sys [all]