Trojan Killer

Trojan Killer

Trojan Killer Portable by Gridinsoft is our Windows trojan scanner and malware removal tool that can run from a USB drive.
Use it to scan infected PCs, stop active malicious processes, and remove threats even when a normal install is not practical.

Detection rate TROJAN REMOVAL:
FAST & PRECISE
Special ability SPECIAL ABILITY:
PORTABLE USB CLEANUP
Usability WINDOWS SCANNER:
EASY TO USE

Use Trojan Killer when malware blocks a normal cleanup

Download Trojan Killer Portable Download
Full 14-day trial. No credit card required.

What Trojan Killer does

Checks PC for threats
Scan
Checks Windows for active threats

Fast scans focus on memory, startup areas, persistence points, and common locations used by trojans, spyware, adware, and unwanted programs.

Eradicates malicious processes
Kill
Stops malicious processes

Trojan Killer can terminate suspicious processes running in memory so cleanup can continue without the threat restarting immediately.

UNDER YOUR CONTROL
Remove
Removal under your control

Review detections, keep legitimate files, and remove or quarantine only the items you approve.

Resets browser's settings
Control
Resets browser and network changes

Undo unwanted homepage, proxy, HOSTS, and browser changes left by adware, loaders, and trojan infections.

Portable malware removal for difficult cases

Run Trojan Killer directly from a USB drive

Trojan Killer Portable by Gridinsoft is useful when malware blocks downloads, breaks browser access, or makes a normal installation inconvenient. Download it on a clean PC, move it to a USB drive, and use it to scan the affected machine.

The portable build keeps the Trojan Killer workflow simple: launch the scanner, review active threats, stop malicious processes, and remove unwanted files from one tool.

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Customizable Trojan Killer interface

Choose a clear visual theme while keeping the same scan, review, and cleanup workflow.

White
Dark
Ocean
MilkChoko
Trojan Killer - Winter
Trojan Killer - Dark
Trojan Killer - Ocean
Trojan Killer - Milk

Download Trojan Killer Portable

  1. 1
    Download Trojan Killer Portable on a clean PC:

    If the infected PC cannot safely download security tools, use another computer to get Trojan Killer Portable and copy it to a USB flash drive.

  2. 2
    Plug your flash drive to the infected PC:

    There is no need to install the program on the affected machine first. If Trojan Killer Portable is already on the USB drive, you can launch it right after connecting the drive.

  3. 3
    Launch the program and scan your PC for malicious programs:

    Choose a scan type and review the detections. Active malicious processes can be stopped during cleanup, and some files may require a restart to complete removal.

Download
Trojan Killer system requirements
Windows 11, 10, 8, 7 Both 32-bit and 64-bit systems are supported
Languages
English, French, Dutch, Portuguese, German, Polish, Russian, Slovenian, Spanish, Turkish, Ukrainian

Need a FULL License?

Personal License
Personal License

With Trojan Killer [Portable Edition] you’re able to cure all PCs around you without limitations

  • 1 seat
  • For personal use only
  • Cure any PC you need
  • No limits in PC amount
  • 24/7 Technical Support
  • Security & Privacy
  • Unlimited scan for threats
6 MONTHS
$ 3.95 / month
Purchase this plan AFFORDABLE PRICE
RECOMMENDED
12 MONTHS
$ 2.95 / month
Purchase this plan SAVE $12 / YEAR
24 MONTHS
$ 1.95 / month
Purchase this plan SAVE $24 / YEAR
Business License
Corporate License
Corporate License

The best solution for your employee computers protection:

  • For corporate clients
  • Unlimited scan for threats
  • Advanced malicious software removal
  • Professional remote help service
  • Security & Privacy protection
  • Updates & upgrades included for a year
$ 5.95 / month
Purchase this plan
AVAILABLE A 1-YEAR SUBSCRIPTION ONLY
Commercial License
Commercial License

The unique custom version for your technical service center:

  • For corporate clients
  • Unlimited scan for threats
  • Advanced malicious software removal
  • Professional remote help service
  • Security & Privacy protection
  • Updates & upgrades included for a year
$ 69.95 / month
Purchase this plan
AVAILABLE A 1-MONTH SUBSCRIPTION ONLY

Trojan Killer FAQ

Is Trojan Killer the official Gridinsoft Trojan Killer download?
Yes. trojan-killer.com provides the official Trojan Killer download by Gridinsoft. For safety, download only from Gridinsoft or Trojan Killer domains and check that the Windows file is digitally signed by Gridinsoft LLC.
Can I run Trojan Killer from a USB drive without installing it?
Yes. Trojan Killer Portable can run directly from a USB drive with no installation on the target PC. Prepare it on a clean computer, plug the USB drive into the affected machine, launch Trojan Killer, update definitions if you are online, and start a scan.
What threats does Trojan Killer remove?
Trojan Killer focuses on trojans, spyware, adware, unwanted programs, active malicious processes, startup persistence, and browser or network changes such as hijacked homepage, proxy, HOSTS, and extension settings.
What should I do if malware blocks downloads or installers?
Use another clean PC to download Trojan Killer and prepare the Portable Edition on a USB drive. On the infected PC, run it from the USB drive, start with a Standard scan, use Full scan if symptoms remain, and reboot when Trojan Killer asks to finish cleanup.
Is Trojan Killer free to try?
Yes. Trojan Killer includes a full 14-day trial with no credit card required. A paid license is needed after the trial if you want to keep using the cleanup features and support.
Do I need Gridinsoft Anti-Malware instead of Trojan Killer?
Use Trojan Killer when you need portable, on-demand cleanup or incident response on an already infected PC. Choose Gridinsoft Anti-Malware for everyday resident protection. Trojan Killer can also work alongside most antivirus or EDR tools when you need a second-opinion cleanup scan.

Already a customer?

Manage your licenses

Gridinsoft customers have a personal account to check their license status, add more devices or extend a license

Member Area
Renew and save

We value our customers and their loyalty, so we provide an easier and faster way to renew the license in a few clicks

Renew License
Looking for help?

Gridinsoft provides technical support for Trojan Killer and all security products. If you need assistance, contact our Support Team.

Submit a ticket

Free Trojan Scanner
[Android Edition]

This is the reincarnation of our Trojan Killer developed specially for mobile users now. Trojan Scanner [Android Edition] is intended to scan your Android Phone and find different types of threats like malware, adware or unwanted software.

Besides, it will be helpful in case, when you need to cure your blocked PC - you just have to chose Cure My PC item in menu and follow the steps.

Google Play
Android Trojan Scanner