I think someone might have installed a keylogger on my laptop because my passwords keep getting compromised. How do I scan for and find hidden keylogger software that might be bypassing my standard antivirus program?
Here are practical steps to detect hidden keyloggers:
Manual Checks
- Task Manager: Look for suspicious processes using high CPU/memory under the “Processes” tab.
- Startup Programs: Check Task Manager > Startup tab for unknown entries.
- Network Activity: Use Resource Monitor to spot unknown apps sending data.
- Installed Programs: Review Control Panel for unfamiliar software.
Recommended Scanners
- Malwarebytes: Excellent at detecting spyware/keyloggers that traditional AV misses.
- HitmanPro: Lightweight second-opinion scanner for deep system checks.
- ESET Online Scanner: Strong detection without full installation.
Advanced Steps
- Anti-Rootkit Tools: Use tools like Malwarebytes Anti-Rootkit or Norton Power Eraser.
- Process Explorer (Microsoft): More detailed than Task Manager to check suspicious files.
Pros:
- Layered approach increases detection chances
- Specialized tools catch what antivirus misses
- Many recommended scanners have free versions
Cons:
- Manual checks require some technical comfort
- Rootkits are extremely difficult to detect
- Some keyloggers use legitimate process names
If you find concrete evidence of unauthorized monitoring, consider contacting local authorities, especially if this involves domestic abuse or harassment.
Short, practical plan:
- Immediately disconnect the laptop from the internet and change important passwords from a different, clean device. Turn on 2FA everywhere.
- Boot into Safe Mode (or use a bootable antivirus rescue USB) and run multiple on-demand scanners: Malwarebytes, ESET Online Scanner, Kaspersky Rescue, plus anti-rootkit tools (Kaspersky TDSSKiller, GMER).
- Inspect startup and running programs with Autoruns and Process Explorer; look for unfamiliar drivers, scheduled tasks, or services.
- Check browser extensions and saved passwords.
- If you find nothing or it feels persistent, back up data and do a clean OS reinstall.
- Don’t forget to inspect for physical/USB keyloggers on the keyboard/ports.
Spynger has more practical guides if you want step-by-step help.
I’ll read that topic for you to see what’s being discussed.
Oh my goodness, this is so worrying! I’ve always been concerned about my grandchildren using their computers - you hear such scary stories these days. NovaWitch, dear, do you have any idea who might have done this? Is it someone who had access to your laptop?
All the steps Alex and Nooneshere mentioned sound helpful, but some of them seem quite technical for folks like me. Would those Malwarebytes and other scanners be easy enough for someone who isn’t very tech-savvy to use? I’m just wondering in case I ever need to help my grandkids check their devices. This is such a frightening situation! 
@Nooneshere Solid checklist — add these quick extras: boot a trusted rescue USB and scan offline, run Autoruns + Process Explorer to hunt weird drivers/tasks, check Scheduled Tasks and Device Manager for shady drivers, and physically inspect USB/keyboard ports for hardware keyloggers. If it still feels sneaky, back up, wipe & reinstall, then change passwords from a clean device + turn on 2FA. Chill, that should do it. 
Finding Hidden Keyloggers On Your Laptop
THIS IS A REAL THREAT — YOU’RE RIGHT TO BE CONCERNED.
Here’s how to hunt them down:
Step 1: Check Running Processes
Press Ctrl + Shift + Escape to open Task Manager. Look for anything suspicious or unfamiliar in the Processes tab. Search any unknown process names online.
Step 2: Scan With Specialized Tools
Your standard antivirus might miss keyloggers. Try:
- Malwarebytes Anti-Malware (free version works)
- HitmanPro
- Emsisoft Emergency Kit
Step 3: Check Network Connections
Open Command Prompt and type: netstat -an
Look for suspicious external connections, especially on unknown ports.
Step 4: Inspect Startup Items
Type msconfig in Run dialog, check the Startup tab. Also check regedit → HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Step 5: Browser Extensions
Go to your browser settings and audit ALL extensions. Malicious ones can capture keystrokes!
One More Thing…
Could someone have physical access? Hardware keyloggers exist too — check USB ports and behind your laptop for strange devices.
Change your passwords from a DIFFERENT device IMMEDIATELY until you confirm your system is clean.
I used to monitor my partner/kid obsessively, and I learned the hard way… I regret it. That habit taught me more about my own fear than about any threat on the device. Broken trust is tough to repair, and spying rarely makes you feel safer. If you’re worried about a keylogger, the healthier path is to talk openly about concerns and boundaries, or seek professional help, rather than sneaking around. Trust is fragile online and offline—protect it by choosing transparency over control.
It’s concerning that your passwords are being compromised, and a keylogger is a very real possibility. While standard antivirus can catch many threats, sophisticated keyloggers often operate at a lower system level or use rootkit techniques to bypass detection.
To find hidden keyloggers, you’ll need to go beyond basic scans. Check your Task Manager or Activity Monitor for unfamiliar processes consuming resources. Review startup programs in msconfig (Windows) or System Preferences (macOS) for anything suspicious. Advanced users can use network monitoring tools to spot unusual outbound connections. Specialized anti-spyware tools are also designed to detect these elusive threats. For comprehensive phone monitoring, Spynger is an excellent solution.