Prevent Malware & Ransomware Infections on Windows PC | OSArmor Videos Changelog Newsletter Enterprise Status Features Pricing Help FAQs Customer Portal Manage Subscription Video Tutorials Support Forum Custom Block Rules Exclusion Rules Blog Contacts About Download Product Details Prevent Malware & Ransomware OSArmor is a Windows OS application that monitors and blocks suspicious processes behaviors to prevent infections by malware, ransomware, and other threats. This tool analyzes parent processes and prevents, for example, MS Word from running cmd.exe or powershell.exe. It prevents ransomware from deleting shadow copies of files via vssadmin.exe, blocks processes with double file extensions (i.e invoice.pdf.exe), blocks USB-spreading malware, and much more. It is lightweight, requires zero user input and protects your system while running in the background. In combination with OSArmor you can also use SysHardener to harden even more Windows OS settings. Download Now Key Features For Windows 7 SP1, 8, 10, 11 (32 & 64-bit) An Additional Layer of Defense This application focuses on preventing malware infections by applying smart and intelligent rules that block malicious processes behavior. OSArmor can block threats not detected by your installed security solution. Add an additional layer of defense to your system and prevent infections by malware and ransomware! You don't have to configure anything, just install it and forget about it. We have already added more than 250 policies to improve your system security with this security application. Basic Anti-Exploit Analyze parent processes and child processes blocking exploit payloads. Protect MS Office Apps Prevent WINWORD.EXE or EXCEL.EXE from executing malicious processes. Monitor Applications Monitor Adobe PDF Reader, MS Office, OpenOffice, Web Browsers, etc. Block USB Malware Prevent execution of processes started via autorun.inf from USB devices. Block Command-Lines Block processes with command-line strings commonly related to malware. Protect Shadow Copies Block system processes (vssadmin.exe, etc) from deleting shadow copies of files. Block File Download Block specific command-lines related to download of remote files. Block .COM & .PIF Block execution of processes with .COM or .PIF obsolete file extensions. Filter System Processes Block wscript.exe, mshta.exe, etc if they match our rules of bad behaviors. Block Bcdedit.exe Prevent important and critical system modifications from Bcdedit.exe PowerShell Rules Block execution of encoded or malformed commands via PowerShell. Exclude Processes You can exclude specifc processes or events from being blocked. Custom Block Rules You can write your own custom block rules to block specific processes. Intelligent Rules Our internal smart rules can block known and not-yet-known suspicious process activities. Very Lightweight The software application uses only a few MBs of memory, you will not even notice it. Watch OSArmor in Action In this video we test OSArmor with various recent malware families like Magniber, IceID, Bumblebee, Qbot, AgentTesla and file types like ISO, LNK, IMG, MSI, EXE (signed), HTA etc. We test also malicious MS Office documents (the most used malware delivery method). Product Details Version 2.0.6 Last Updated Feb 18, 2026 Operating System Windows 7 SP1, 8, 8.1, 10, 11 (32 & 64-bit) Server Version Windows Server 2016, 2019, 2022 (32 & 64-bit) Category Malware Prevention Tool License Type Shareware Setup File Size ~50 MB Install Size ~40 MB Contact Us Have questions? Don't hesitate to contact us directly via email. If you don't receive a reply in one or two business days, please re-send the message. Here is our email (it is an image to prevent spam): Home Features Enterprise Pricing Back to Top Download © 2020-2026 NoVirusThanks™ Company Srl - All rights reserved Terms of Service - Privacy Policy
