A file named is highly suspicious, as legitimate software rarely uses "NoVirus" in its filename —a common tactic used by malware authors to deceive users into a false sense of security. Initial Assessment

.zip files often contain an executable ( .exe ), a batch file ( .bat ), or a nested JavaScript file ( .js ) designed to download a secondary payload once opened.

Malware authors often password-protect these ZIP files to prevent automated antivirus scanners from peering inside the archive before it reaches the victim's machine. Recommended Action Plan

High . Filenames asserting they are "virus-free" are a classic red flag for Trojans, info-stealers, or ransomware.