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Head-to-head · Malware Removal Software

Microsoft Defender Offline vs Kaspersky Virus Removal Tool

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Microsoft Defender Offline #1 in Malware Removal Software 9.4/10 Free plan Free plan✓ 2 of 3 features Learn about Defender
Kaspersky Virus Removal Tool #3 in Malware Removal Software 9.1/10 Free plan Free plan✓ 1 of 3 features Visit Kaspersky

Microsoft Defender Offline leads on 1 check, Kaspersky Virus Removal Tool on 0, and 3 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreMicrosoft Defender Offline · 9.4/10
  • Free planboth
  • Most featuresMicrosoft Defender Offline · 2 of 3

Microsoft Defender Offline scores higher on our rubric for malware removal software: 9.4 against 9.1 out of 10; our editors rank them #1 and #3.

Microsoft Defender Offline offers bootable rescue media; Kaspersky Virus Removal Tool doesn't. On operating systems, Kaspersky Virus Removal Tool gives you Windows_linux where Microsoft Defender Offline offers Windows. On remediation automation, Microsoft Defender Offline gives you Automatic where Kaspersky Virus Removal Tool offers Assisted.

Microsoft Defender Offline is the better fit for free Windows offline remediation. Kaspersky Virus Removal Tool is the better fit for free Windows malware removal with deep disinfection.

  • Microsoft Defender Offline fits best

    Free Windows offline remediation

  • Kaspersky Virus Removal Tool fits best

    Free Windows malware removal with deep disinfection

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Microsoft Defender Offline 9.4/10 Visit ↗ Kaspersky Virus Removal Tool 9.1/10 Visit ↗
At a glance
Editor score 9.4 9.1
Ranking #1 in Malware Removal Software #3 in Malware Removal Software
Best for Free Windows offline remediation Free Windows malware removal with deep disinfection
Pricing model Free Free
Starting price Free plan Free
Free plan ✓ ✓
Free trial — —
Deployment Desktop Desktop
Platforms Windows Windows, Linux
Support Docs, Community Email, Community, Docs
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business
Features Microsoft Defender Offline 2/3 · Kaspersky Virus Removal Tool 1/3
Threat quarantine ✓ ✓
Bootable rescue media ✓ (best) —
Scheduled scans Not checked yet —
Specs
Scan modes Offline Not checked yet
Operating systems Windows Windows_linux
Remediation automation Automatic Assisted
Our review
Pros
  • Scans outside normal Windows to target persistent malware and rootkits
  • Offers quick, full, custom, quarantine, and removal controls
  • Supports Windows Security, PowerShell, WMI, and bootable media
  • Quick, full and custom scans cover varied malware types
  • Advanced restart-assisted disinfection handles active infections
  • Portable Windows and Linux operation requires no installation
Cons
  • Windows-only platform support
  • Offline scans restart the device automatically
  • Bootable media applies to older supported Windows versions
  • No continuous background protection
  • No scheduled scan support
  • Manual scanning is required rather than automatic ongoing coverage
Our verdict

Microsoft Defender Offline is an on-demand malware scanner integrated into Windows Security. It is designed for Windows users who need to scan outside the normal operating environment, particularly when persistent malware or rootkits may…

Read the review →

Kaspersky Virus Removal Tool is a free, portable malware scanner for computers that may already be infected. It is designed for manual, on-demand use rather than continuous background protection, making it suitable for Windows users who…

Read the review →
  1. Microsoft Defender OfflineMalware Removal Software 9.4Free plan
  2. Kaspersky Virus Removal ToolMalware Removal Software 9.1Free plan

Strengths and trade-offs

  • Microsoft Defender Offline — where it wins

    • Scans outside normal Windows to target persistent malware and rootkits
    • Offers quick, full, custom, quarantine, and removal controls
    • Supports Windows Security, PowerShell, WMI, and bootable media

    Where it doesn't

    • Windows-only platform support
    • Offline scans restart the device automatically
    • Bootable media applies to older supported Windows versions

  • Kaspersky Virus Removal Tool — where it wins

    • Quick, full and custom scans cover varied malware types
    • Advanced restart-assisted disinfection handles active infections
    • Portable Windows and Linux operation requires no installation

    Where it doesn't

    • No continuous background protection
    • No scheduled scan support
    • Manual scanning is required rather than automatic ongoing coverage

More comparisons

All malware removal software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update