### Comment:
What are some common techniques used by malware to evade detection by antivirus software?

### REPLY:
One common technique used by malware to evade detection is to exploit vulnerabilities in antivirus software itself. By identifying and exploiting weaknesses in the software's code, malware can bypass or disable the antivirus program, allowing it to operate undetected. Another method involves using rootkit technology, which allows malware to hide its presence and activities from the operating system and antivirus tools.