Before opening the file, determine where it came from and what it actually is.
: If this file appeared after visiting a specific site, clear your browser's cache and cookies to remove any persistent scripts that might be trying to trigger automatic downloads. download140188a87ed6ff269f
: If the file has no extension, right-click it and select Properties . Look at the "Type of file." If it is an .exe , .msi , .bat , or .js , it is an executable script and should not be run. Before opening the file, determine where it came
Do not double-click the file to "see what it does." Instead, use these tools to analyze it: Look at the "Type of file
: Right-click the file > Properties > Digital Signatures . Legitimate software from companies like Microsoft, Google, or Adobe will have a verified signature. If the tab is missing or the signer is unknown, exercise extreme caution. 2. Perform a Safe Analysis