Cloud storage virus scanning issue

Recently I was retrieving some x86 executables from the cloud storage platform “Google Drive” and realised there was a nice little disclaimer.

(270M) is too large for Google to scan for viruses. Would you still like to download this file?

Google Drive

This worried me because it raises the question; “What other software and cloud storage systems ignore files based on their size”. We take for granted default options like “Do not scan *abc* if over *xyz* size”. Therefore this could lead to simple APT exploitation of using junk data stuffing to make viruses “FUD” (Fully undetectable) to certain systems.

In the age of faster transfer networks and larger storage capacity availability, what is to say viruses will always be sub 100kb?

Food for thought!

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