Gpcl6win64.exe

In the vast majority of cases, . It is not a native Windows file (Microsoft did not create it), but it is a trusted open-source binary distributed under the GNU Affero General Public License.

If you never installed it yourself, it was likely bundled with another application (e.g., a PDF printer like Bullzip or a reporting tool). That’s still legitimate.

So, what is it? Let’s break it down.

A legitimate version of this file will typically be located in a subfolder of C:\Program Files\gs\ or within the directory of a PDF-related utility. If you see it in C:\Windows\System32 or your Temp folder without having installed Ghostscript, run a malware scan. Common Usage and Command Lines

On a standard Windows installation, you will typically find gpcl6win64.exe located in one of the following directories: gpcl6win64.exe

: Explicitly sets the paper size to A4. -sDEVICE=pdfwrite : Sets the output format to PDF.

...you should be highly suspicious. Malware often mimics legitimate system filenames to avoid detection but hides them in user-writable folders where they don't belong. In the vast majority of cases,

: Virtual printers (like Bullzip or PDF24) that use Ghostscript as their "backend" engine to generate PDFs.