APACK

aPACK is an executable compression utility developed by Jørgen Ibsen, a.k.a. Jibz. It supports .EXE and .COM formats. It runs on DOS, and 32-bit Windows.

It has some relationship to X-pack for Executable.

Disambiguation
This aPACK is not related to, a component of the atool archive management utility.

Identification
Based on information from the file command, compressed EXE files have bytes at offset 53.

For compressed COM files, the byte sequence appears somewhere early in the file.

Software

 * aPACK download page
 * → Executable Tools Pack → packers/apack.*

Links

 * aPACK website