Malware · critical

How to fixKEYLOGGER_TROJAN_SPY

Keyboard Logger and Spyware Trojan

What this error means

Keyboard Logger and Spyware Trojan is a critical-severity malware/security issue. This diagnosis detects spyware hooks capturing keyboard inputs, screenshots, or clipboard data, transmitting the records to remote command-and-control servers. The usual suspects are phishing link execution or downloading infected software utilities and use of compromised public network access. See the troubleshooting steps below for the fix.

Before you begin

Save open work and back up important files. Use instructions for your exact device and software version. If Windows cannot start, see the startup guide.

Work through these checks

0 of 3 complete
01Run Microsoft Defender Offline scan to remove hidden rootkits.
  1. Run Microsoft Defender Offline scan to remove hidden rootkits.
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

Browse related errors
02Inspect active network connections for unrecognized outbound processes.
  1. Inspect active network connections for unrecognized outbound processes.
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

Browse related errors
03Update all passwords and security keys using a separate, verified clean device.
  1. Update all passwords and security keys using a separate, verified clean device.
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

Browse related errors

Possible causes

  • Phishing link execution or downloading infected software utilities.
  • Use of compromised public network access.