Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
Many exploits observed in the wild do not rely on UPX itself to unpack the malicious code, generating corrupted packed files on purpose.
Source: https://www.esecurityplanet.com/threats/upx-compression-detection-evasion/