Cardlock.exe -

CardLock.exe is a primary executable file associated with hotel key-card management systems , most notably the proUSB Hotel Card System

: Some security tools use heuristic analysis – they see an unknown EXE that tries to lock your screen or hook keyboard input (for PIN entry) and assume it’s keylogging malware. HID has occasionally failed to renew code-signing certificates, causing alerts. cardlock.exe

is most commonly an executable file associated with fuel card management software or cardlock fuel system interfaces . The term "cardlock" refers to automated, unattended fuel dispensing systems used by commercial fleets. Drivers use a specialized key card or RFID fob to access fuel pumps at designated cardlock stations. The backend software, often running locally on a Windows PC or server, processes these transactions, manages user permissions, and syncs data with central accounting systems. CardLock