Once you have removed the malware itself, your Mac will usually recover on its own — but a few minutes of housekeeping ensures nothing leftover keeps it sluggish.
Step 1: Trim Login Items
- System Settings → General → Login Items & Extensions
- Remove any leftover entries from the malware (use the − button)
- Toggle off anything in Allow in the Background you do not need
Step 2: Free up disk space
macOS gets noticeably slower below 10–15% free space.
- System Settings → General → Storage
- Use the recommendations: Empty Trash Automatically, Optimize Storage
- Click each category to find large old files
Step 3: Restart and reset caches
- Close all apps and choose Apple menu → Restart
- If still sluggish, boot into Safe Mode (Apple Silicon: hold power → Options → hold Shift while clicking your disk → Continue in Safe Mode)
- Log in once, then restart normally — this clears system caches
Was this guide helpful?
Know someone who needs this? Send them the guide.
JD
Written by
Jordan DicksonFounder, CyberSecurityGuides
Founder of CyberSecurityGuides, writing practical, jargon-free guides that help everyday people recover from and protect against online attacks.
Reviewed by CSG Security Engineers