Ensure your system files are up-to-date:
A: No. The legitimate klim6.sys is signed by Kaspersky Lab. However, some malware uses similar filenames. Verify the digital signature by right-clicking the file → Properties → Digital Signatures.
Kaspersky provides a dedicated tool to scrape every last trace of its drivers from the registry and file system.
After successfully installing Kaspersky, take these steps to avoid recurrence: