Scanned the system before the OS loaded to catch "stubborn" malware like rootkits.

The 2015 lineup (Version 16.00) included several tiers of protection:

Signature-based and behavioral detection to block viruses, worms, and Trojans.

Specialized tools to block file-encrypting malware and provide data backup.

Quick Heal Antivirus 2015, specifically , was a major release from Quick Heal Technologies designed to provide core protection against malware, ransomware, and web-based threats. While this version is now officially discontinued (End of Life) , it introduced several foundational features that remain core to Quick Heal's current software. 🛡️ Key 2015 Version Features

A secure desktop session for online shopping and banking to keep financial data private from hackers.

A proactive engine that monitored programs for suspicious behavior to block unknown threats.

This version was specifically updated in July 2015 to be fully compatible with the then-new Windows 10 operating system. ⚠️ Support Status