What scan should I start with?
Start with Standard for a quick check. If issues remain or you suspect something deeper, run a Full scan. Use Custom to target a folder or USB disks for removable media.
The virus keeps coming back after I remove it.
This usually means a startup task, malicious extension, or policy keeps restoring it. Do this:
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Update definitions and run a Full scan.
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Use Reset Browser Settings (homepage, search engine, proxy/HOSTS, extensions).
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Reboot when prompted.
If it still returns, send us the scan report and we’ll help trace the persistence mechanism.
Glossary (A–Z)
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Get started with Trojan Killer
Trojan Killer is a portable malware cleaner for PCs and USB drives. It quickly finds and removes threats, resets changes they’ve made, and helps you get back to normal. If you haven’t installed or prepared the Portable Edition yet, see Download & ...
I have a virus but Trojan Killer doesn’t detect it.
First, update definitions and run a Full scan. If still undetected, export results (Save to file…) and send the sample or path to Support. Include any signs you’re seeing (pop-ups, redirects, filenames). We’ll investigate and add coverage quickly.
Does Trojan Killer work with other antivirus apps?
Yes, Trojan Killer is designed to coexist with most antivirus and EDR solutions. You can keep your primary AV’s real-time protection on; Trojan Killer will scan and clean alongside it. If activation, updates, or a cleanup step are blocked, ...
I think a detection is a false positive. What should I do?
Open Show Details, keep the item checked if you’re unsure, and click Save to file… to export the results. Send that report to Support with a note on why you think it’s safe (file origin, vendor, version). We’ll review and, if needed, fix it in the ...
Download & Install Trojan Killer
Option A — Standard installation Download Get Trojan Killer from our official download link. Open the installer Double-click the downloaded file and approve the Windows prompt (UAC) to continue. Choose setup options Select the install location and ...