Best Free W32/Hmir Trojan Scanner and Removal Utility

How to Remove W32/Hmir Trojan: Free Removal Tool & Guide

1. Quick safety checklist

  • Disconnect from the internet immediately to limit data exfiltration and stop the malware from communicating.
  • Do not enter passwords or perform banking until the system is clean.
  • Work from a different device for downloads and research.

2. Tools you’ll need

  • A reputable on-demand malware scanner (free): Microsoft Defender Offline, Malwarebytes Free, or ESET Online Scanner.
  • A second trusted device to download tools and create bootable media if needed.
  • A USB drive (for offline scanning or rescue disk).

3. Step-by-step removal (recommended order)

  1. Boot into Safe Mode with Networking
    • Windows ⁄11: Settings > Recovery > Restart now > Troubleshoot > Advanced options > Startup Settings > Restart > press 4 (Safe Mode) or 5 (Safe Mode with Networking).
  2. Run an offline scan with Microsoft Defender Offline
    • Open Windows Security > Virus & threat protection > Scan options > Microsoft Defender Offline > Scan now. The system will reboot and scan before Windows loads.
  3. Run Malwarebytes Free scan
    • Install Malwarebytes on the second device, transfer installer via USB, install in Safe Mode (if needed), update signatures, run a full scan, and quarantine detected items.
  4. Run a second-opinion scan
    • Use ESET Online Scanner or another reputable scanner; follow its removal/quarantine prompts.
  5. Remove persistence and autoruns
    • Download Autoruns from Microsoft Sysinternals on the second device, run it on the infected computer, and inspect suspicious entries (unknown autoruns with the Trojan filename or odd startup locations). Right-click → Delete for confirmed malicious entries.
  6. Check scheduled tasks and services
    • Task Scheduler: look for unknown tasks that run at startup or on triggers; disable and delete malicious tasks.
    • Services: msconfig or Services.msc — disable unknown services tied to the malware.
  7. Clean temporary files
    • Use Disk Cleanup or run:

    Code

    %temp%

    and delete contents to remove dropped files.

  8. Reboot normally and run a final full scan
    • Run a full system scan with Microsoft Defender and Malwarebytes to confirm removal.

4. If removal fails or system unstable

  • Use a rescue/recovery USB from a trusted vendor (Kaspersky Rescue Disk, Bitdefender Rescue, or ESET Rescue) to boot and scan offline.
  • As a last resort, back up personal files (only documents, photos — do NOT back up executables or installers), wipe the system drive, and reinstall Windows. Scan backed-up files on another clean machine before restoring.

5. Post-removal steps

  • Change all passwords from a different, clean device.
  • Enable full-disk encryption (BitLocker or device equivalent) if not already enabled.
  • Update Windows and all software immediately.
  • Enable and configure real-time protection (Microsoft Defender or another AV).
  • Monitor accounts and credit for unusual activity.

6. Notes about W32/Hmir Trojan

  • W32/Hmir is an older Windows trojan family known to drop additional backdoors or downloaders; it may install persistence mechanisms and disable security tools. Thorough scanning and removal of startup entries and scheduled tasks is essential.
  • If you need specific file names, registry keys, or indicators of compromise (IOCs) for W32/Hmir on your system, say so and I will provide a focused checklist.

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