### Comment:
What are some effective evasion techniques for malware to avoid detection by antivirus software?

### REPLY:
There are several effective evasion techniques for malware to avoid detection by antivirus software. One technique is code obfuscation, where the malware code is modified to make it difficult for antivirus programs to recognize. Another technique is polymorphism, where the malware continuously changes its code structure to evade detection. Additionally, attackers can use packers and crypters to encrypt the malware code and make it harder for antivirus programs to analyze.