Trojan:Win32/Alureon!Pz is a type of Trojan horse malware that infects computers by disguising itself as a legitimate program or file. It typically spreads through malicious websites, email attachments, or software downloads. Once installed on a computer, Trojan:Win32/Alureon!Pz can steal sensitive information, corrupt files, and create backdoors for hackers to gain unauthorized access to the infected system. It is important to have up-to-date antivirus software and regularly scan your computer for malware to protect against threats like Trojan:Win32/Alureon!Pz.