Providing the source (e.g., an email, a specific website, or a shared drive) can help determine the specific threat it poses. Download - 7-Zip

If the file was received via an unsolicited email or downloaded from a non-official site (e.g., a "crack" site or a pop-up), delete it permanently.

Before interacting with any suspicious file, upload it to VirusTotal to check it against 70+ different antivirus engines.

If you have downloaded this file or found it on your system, do open or extract it.

A file named _Update_7-CS.rar does not match the naming conventions of any major software vendor. 3. Recommended Actions

Attackers often name malicious files after popular software updates (e.g., 7-Zip , Adobe, or Windows) to trick users into running them.