If you're still concerned, which would be a valid concern when it comes to a rootkit, then run a scan with TDSSKiller which is designed to find/remove rootkits.
When running TDSSKiller, launch the program, click on the blue text "Change Parameters" & check the box marked "Detect TDLFS File system." Click OK & then run the scan.
A rootkit will create a hidden partition, at the end of the drive, 1 - 10 MB in size and set itself as the boot partition. Hence, the rootkit is already running before Windows loads. This hidden partition will not show up on Windows Disk Management in most cases.
Malwarebytes also includes a rootkit scan. The free version will work fine.
is a program or a program kit that hides the presence of malware in the system.
systems is a program that penetrates into the system and intercepts the system functions (Windows API
). It can effectively hide its presence by intercepting and modifying low-level API functions. Moreover it can hide the presence of particular processes, folders, files and registry keys. Some rootkits
install its own drivers and services in the system (they also remain “invisible”).
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