Kaspersky Anti-Ransomware Tool is a free Windows utility designed to protect desktops, laptops, and servers from ransomware and cryptolocker threats. It uses cloud-assisted behavior detection and automatically monitors files to identify and block threats, including crypto-malware. It can also detect adware, pornware, riskware, and crypto-mining software. Kaspersky describes its protection as covering ransomware from delivery through execution, and says the tool can work alongside most current security software. The Home plan is 0.00 USD per free for up to 5 devices per account. The Business plan is 0.00 USD per free for up to 50 devices and includes email reporting. Supported systems are Windows 7–11 and Windows Server 2008 R2–2022. Requirements include a 1 GHz compatible processor, 1 GB memory for 32-bit or 2 GB for 64-bit systems, 350 MB of disk space, and internet access for updates. The tool is not available alongside Kaspersky paid endpoint products. Kaspersky also describes it as GDPR ready and says data is handled responsibly.
Who it is for
It suits Windows users who want free ransomware protection for home or business devices. Businesses needing coverage for up to 50 devices can use the listed Business plan.
What is good
- Free Home plan covers up to 5 devices.
- Business plan covers up to 50 devices.
- Includes email reporting for the Business plan.
- Detects several types of unwanted software.
What to know first
- Windows systems only.
- Requires internet access for updates.
- Cannot be installed alongside Kaspersky paid endpoint products.
Verdict
Kaspersky Anti-Ransomware Tool offers free Windows protection with file monitoring and detection beyond ransomware. Check system requirements and endpoint-product compatibility before choosing it.
Get started with Kaspersky Anti-Ransomware Tool
- Open the Kaspersky Anti-Ransomware Tool website.
- Choose the Home plan for up to five devices or the Business plan for up to 50.
- Download and use the free tool on a supported Windows system.
- Provide an internet connection for updates.
What the free plan stops at
The free Home plan covers up to five devices per account. The free Business plan covers up to 50 devices and includes email reporting. Installing the tool alongside Kaspersky paid endpoint solutions is prevented.
Questions about Kaspersky Anti-Ransomware Tool
How much does Kaspersky Anti-Ransomware Tool cost?
The Home and Business plans are each 0.00 USD per free.
What is the difference between the Home and Business plans?
Home covers up to five devices per account. Business covers up to 50 devices and includes email reporting.
Which operating systems does it support?
It supports Windows 7–11 and Windows Server 2008 R2–2022.
What does the tool detect?
It detects ransomware and crypto-malware, as well as adware, pornware, riskware, and crypto-mining software.
Can it run with Kaspersky paid endpoint products?
No. Installing the tool alongside those products is prevented to avoid application overhead.
Who makes the tool?
Kaspersky describes itself as a global cybersecurity and digital privacy company founded in 1997.
Kaspersky Anti-Ransomware Tool plans and pricing
All plansCompared on ransomware protection software
- Free plan
- Yes
- Rollback or recovery
- Yes
- Behavioral detection
- Yes
- Deployment
- on_premises
- Operating system coverage
- windows



