Avoid the urge to see what is inside until you’ve verified the sender.
Opening a malicious archive can occasionally trigger scripts that exploit vulnerabilities in the extraction software itself. Best Practices for Handling Unknown Archives
Automated scripts that generate periodic backups often use timestamps or alphanumeric strings to ensure unique filenames. task.GamCu.rar
Once opened (but before running anything), look at the actual extensions of the files inside. If you expected a document but see a .vbs , .js , or .exe file, delete it immediately.
Compressed archives are a preferred vehicle for for several reasons: Avoid the urge to see what is inside
Use a reputable antivirus tool to scan the .rar file before opening it.
From a cybersecurity perspective, a file named "task.GamCu.rar" should be handled with extreme care if the source is unknown. Malicious actors often use non-descriptive, "system-sounding" filenames to trick users into clicking them. Once opened (but before running anything), look at
Antivirus software sometimes struggles to scan the contents of an archive until it is extracted.