Blat.rar -

: Avoid running any .exe or .bat files inside the archive.

Because Blat is a powerful command-line tool, it has historically been repurposed by malicious actors to "exfiltrate" data (send stolen files to an external email address) silently. BLAT.rar

If you have encountered this specific archive, it typically contains: : The primary command-line executable. : Avoid running any