Since this sounds like a private or obscure file, please be careful before opening it. If you downloaded this from an untrusted source or received it in an unexpected email, it could potentially contain malware.
: Only open the archive if you know exactly who sent it and you were expecting a collection of cat photos. Sky_Cat_Picture_collection_compressed.zip
: Once unzipped, be wary of files that look like images but end in .exe , .scr , or .vbs (e.g., cat_photo.jpg.exe ). Since this sounds like a private or obscure
: Run the file through a service like VirusTotal , which checks files against dozens of different antivirus engines. or .vbs (e.g.