### Comment:
What are some common evasion techniques used by malware to avoid detection?

### REPLY:
Some common evasion techniques used by malware include polymorphism, where the malware changes its code or behavior to avoid signature-based detection. Another technique is rootkit installation, which allows the malware to hide itself and its activities from antivirus software. Malware can also use encryption methods to obfuscate its communication with command-and-control servers, making it harder to detect and analyze.