The genuine klif.sys file is a software component of Kaspersky Anti-Virus by Kaspersky Lab.
"Klif.sys" usually resides in "C:\Windows\System32\drivers". It is an important driver file component of the antivirus software from Kaspersky Lab. It is also used in Zone Alarm software from CheckPoint Software Technologies. At least 12 malware threats have known associations with the name as well. The authentic version's recommended removal method is the Kaspersky Removal Tool which can be downloaded from their website. Sometimes called a "Mini-Filter," it is most likely an anti-rootkit scanner and is able to hook into the system kernel. It has been reported in Windows crashes as causing a "page fault in a nonpaged area," sometimes happening at the login screen preventing system access to remove it. Kaspersky Lab North America, founded in 2004, is the world's largest privately-owned cybersecurity company and one of the fastest-growing, headquartered in Massachusetts, USA with offices in 32 countries. Their technology is widely licensed by other companies in the field for use in their products.
KLIF stands for Kaspersky Lab Intruder Filter
Klif.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 operating system, hardware etc. The free file information forum can help you determine if klif.sys is a Windows system file or if it belongs to an application that you can trust.
The process known as Klif Mini-Filter or spuper-ptor or Klif Mini-Filter [fre_wxp_x86 or Klif Mini-Filter [fre_wlh_AMD64_noagava or Klif Mini-Filter fre_wnet_x86 or Klif Mini-Filter [fre_wlh_x86 or Klif Mini-Filter [fre_win8_x64 or Kaspersky Lab Driver
belongs to software Kaspersky Anti-Virus or TSP or nexgbbq or Kaspersky Internet Security or ParetoLogic Anti-Virus PLUS
by Kaspersky Lab (www.kaspersky.com) or Kaspersky Lab ZAO (www.kaspersky.com) or Malwarebytes (www.malwarebytes.org).
Description: Klif.sys is not essential for Windows and will often cause problems. Klif.sys is located in the C:\Windows\System32\drivers folder.
Known file sizes on Windows 10/8/7/XP are 127,768 bytes (65% of all occurrences), 148,496 bytes and 17 more variants.
The driver can be started or stopped from Services in the Control Panel or by other programs. The program has no visible window. The file is not a Windows system file. The klif.sys file is a Verisign signed file. Klif.sys is certified by a trustworthy company. The klif.sys file is a trustworthy file from Microsoft. Therefore the technical security rating is 3% dangerous, however you should also read the user reviews.
Recommended: Identify klif.sys related errors
Important: Some malware disguises itself as klif.sys, particularly when not located in the C:\Windows\System32\drivers folder. Therefore, you should check the klif.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.
A clean and tidy computer is the key requirement for avoiding problems with klif. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic 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 6resmon 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 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.
To help you analyze the klif.sys process on your computer, the following programs have proven to be helpful: ASecurity 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. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.