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OSArmor v1.4.2 Monitor and block 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, it blocks processes with double file extensions (i.e invoice.pdf.exe), it blocks USB-spreading malware, and much more. It is lightweight, zero-configuration and runs in the background protecting your system. Need to harden Windows settings? Try SysHardener » Download [HIDE][Hidden Content]] For Windows XP, Vista, 7, 8, 10 (32\64-bit) An Additional Layer of Defense This smart security application focuses on preventing a malware infection by applying smart and intelligent rules that block bad processes behaviors. This tool can block threats not detected by your installed security solution. Add to your system an additional layer of defense to 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 60 smart 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 Bcedit.exe Prevent important and critical system modifications from Bcedit.exe Block Bitsadmin.exe Prevent Bitsadmin.exe from downloading (/download) remote files. 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. Block RegisterXLL() Prevent calling of Application.Excel RegisterXLL() via command-line. Block Remote Scripts Prevent Regsvr32.exe or Mshta.exe from loading remote scripts. Very Lightweight The software application uses only a few MBs of memory, you will not even notice it. Free to Use This software is completely free to use for anyone, at home and at work.