: These archives can be as small as 45 kilobytes while containing layers of nested files that expand to 1.3 exabytes (or ~45 petabytes in some variations) of uncompressed data.
: Most updated antivirus programs from providers like Kaspersky and Avast can identify "archive bombs" by detecting suspicious compression ratios before they are fully unpacked. 45.rar
: The bomb contains multiple layers of archives. For example, one file may contain 10 archives, each of which contains another 10, continuing for several layers until the bottom level holds a massive file (often 1.3 GB of zeros). : These archives can be as small as
Modern security software has evolved to handle these threats: For example, one file may contain 10 archives,
: If you encounter a file named 45.rar from an untrusted source, do not attempt to extract it. You can verify suspicious archives by uploading them to tools like VirusTotal to check for known signatures. Technical Distinction: Split Archives Zip-бомба - Википедия
While often confused with the famous 42.zip , a common variant known as (or similar "45" named files) uses recursive compression to hide massive amounts of data in a tiny package.