Fast effective scanning and real-time checking against the most comprehensive malware database in the world.

You can download the 64-bit version of this program here.

Prevx CSI is click-and-go and requires no installation or reboot, which makes it quick and easy to use. Its small size allows you to take it anywhere, use it as many times as you like and even copy or send it to your friends.

Prevx CSI allows you to benefit from the knowledge gained from the entire Prevx community.

- Totally Free
- Instantly scans for all forms of malware to let you know if you're infected
- No Install required
- Runs completely independently and as many times as you like!
- Always up-to-date - checks with the up-to-the-second Prevx community database for the very latest threats

Are you responsible for your company's security?
Prevx CSI for Business can be used free of charge in low volume (up to 250 PCs) by business users and large enterprises, subject to a simple registration process. Prevx CSI for Business may also be configured to run in silent mode allowing companies to deploy it easily using a simple login script. Business users also benefit from a web based console which provides a summary view of all PCs scanned by Prevx CSI with clear details of which ones are infected.