Don’t Extract This 42 KB Zipped File is a 42 KB zipped file. It contains 16 zipped files, which again contains 16 zipped files, which again contains 16 zipped files, which again contains 16 zipped, which again contains 16 zipped files, which contain 1 file, with the size of 4.3 Gigabytes (GB). So, if you extract all the files in, you will most likely run out of space as it ends up with a file size of 45 Petabytes (PB) where 1 Petabyte is equal to 1 million GB or 1,000,000,000,000,000 Bytes.

WinRAR showing 16 zipped files in 42 KB zipped file
42 KB zipped file

42 KB Zipped File When Unzipped Make 4.5 Petabytes

Here is the calculation showing how 42 Kilobytes zipped file when unzipped make 4.5 Petabytes (where 1 Petabyte is 1 million GB)

16 x 68719476720      = 1.099.511.627.520 (1TB)
16 x 1099511627520 = 17.592.186.040.320 (17TB)
16 x 17592186040320 = 281.474.976.645.120 (281TB)
16 x 281474976645120 = 4.503.599.626.321.920 (4,5PB)

You might be wondering how can such a large file, be compressed to 42 KB zipped file. This is made possible by the high statistical redundancy of the 4.3 Gigabytes (GB) file as it contains only zeros in needless repetition. Exploiting this statistical redundancy, compression algorithms are able to compress the file data more concisely into a 42 KB ZIP file. is also known as zip bomb, zip of death or decompression bomb. It is a malicious ZIP archive file intentionally designed to crash or make unusable the system extracting it. You can download this 42 KB ZIP file from

Don’t dare to extract this 42 KB zipped file!!

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