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Editors’ Review

Download.com staff

Trend Micro HijackThis is an anti-spyware tool that highlights system areas altered by unwanted programs. It delivers fast scans, outputs short logs, runs as a portable build, and operates with no signature database, so findings rely on user research. Reports arrive as organized reports that help spot anomalies in startup items and services. 

Trend Micro HijackThis supports boot-up scanning, creates backup restore points before changes, and offers removal helpers like StartupList 2 to document autostart components. Because results can include benign entries, it encourages careful review before actions. Paired with security tools, it maps behavior and exposes suspicious persistence techniques.

Method-based diagnostics for persistent threats

Trend Micro HijackThis centers on hijacking-method detection, enumerating persistence points rather than chasing signatures. It surfaces autoruns and browser hooks, then lets power users verify items with tools like process manager, hosts file manager, and uninstall manager. The approach is precise yet hands-on: research an entry, decide action, then proceed. This workflow favors transparency and fine control when tracking stubborn changes across services, add-ons, and scheduled tasks.

Performance is pragmatic: scans stay swift through enumeration and offline operation, avoiding bulky databases while still flagging suspicious techniques. Focused helpers deepen analysis — alternative data spy inspects hidden streams, services removing tool clears unwanted services, batch digital signature checker validates binaries, and registry key type analyzer spots odd keys. Used with care, these mechanics streamline triage without noise, helping analysts isolate real risks faster and cut repeat troubleshooting loops.

Usability balances power with caution. As a passive scanner, results can include normal entries, so disciplined review and community advice are recommended before any fix. When deeper surgery is needed, registry key unlocker and files DACL unlocker remove roadblocks, while check browsers' LNK and ClearLNK target shortcut abuse. For broader inventory, Autoruns excels; for adware cleanup, AdwCleaner helps — yet this tool remains the go-to for transparent, controlled diagnostics.

Enlarged image for Trend Micro HijackThis
Trend Micro HijackThis 0/3
  • Pros

    • Method-based detection without signatures
    • Fast scans with short, readable logs
    • Helper modules enable deep analysis
  • Cons

    • Requires expertise; false positives possible
    • No real-time protection or blocking
    • Manual research can slow first runs

Bottom Line

A focused toolkit for transparent diagnostics

Trend Micro HijackThis delivers method-driven visibility into persistence points, pairing fast enumeration with targeted helpers to validate, back up, and remove risky entries. It complements antivirus tools by exposing what loads, when, and why, without relying on signature updates. For users who value control and clarity, it is a must-have for triage, remediation planning, and confirming that unexpected changes are actually under control.

What’s new in version 2.10.0.13

  • Detects several new hijacking methods
  • Adds StartupList 2 for updated autostart inventories
  • Introduces Batch Digital Signature Checker for binary verification
  • Adds Registry Key Type Analyzer and Registry Key Unlocker for registry checks
  • Improves backup handling and overall security hardening


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Full Specifications

GENERAL
Release
Latest update
Version
2.10.0.13
OPERATING SYSTEMS
Platform
Windows
Operating System
  • Windows 7
  • Windows 2003
  • Windows 98 SE
  • Windows XP
  • Windows 2000
  • Windows 8
  • Windows Vista
  • Windows ME
  • Windows 98
POPULARITY
Total Downloads
12,723,381
Downloads Last Week
36

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Last Updated


User Reviews

4.2/5

661 User Votes


Developer’s Description

Scan your Registry and hard drive for spyware.

HijackThis lists the contents of key areas of the Registry and hard drive--areas that are used by both legitimate programmers and hijackers. The program is continually updated to detect and remove new hijacks. It does not target specific programs and URLs, only the methods used by hijackers to force you onto their sites.

As a result, false positives are imminent, and unless you're sure about what you're doing, you always should consult with knowledgeable folks before deleting anything.


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