Company-list.xls (2026)

: Malicious macros can give attackers remote control over your computer.

: Use tools like VirusTotal or right-click the file to "Scan with Microsoft Defender" to check for hidden threats before you even touch it.

: Modern, safer Excel files use .xlsx , which does not support macros. Be extremely wary of .xls or .xlsm files from unknown sources. company-list.xls

: Ensure your Excel settings are set to "Disable all macros with notification" in the Microsoft Trust Center. ⚠️ What to Do if You Already Opened It

: If this happened on a work device, report it to your security team immediately so they can contain the threat. : Malicious macros can give attackers remote control

The Danger of "company-list.xls": Why You Should Never Open It

: Use a different, uninfected device to update passwords for your email and financial accounts. Be extremely wary of

: Immediately turn off your Wi-Fi or unplug your Ethernet cable to stop the malware from communicating with the attacker.