No, your antivirus might detect some files as virus but they are not They won't harm your PC,just disable your antivirus, install,
To use this file, you must have all other related parts (e.g., part1.rar , part2.rar ) in the same folder, as they are cryptographically linked into a single sequence. Steps to Extract and Install Do Fitgirl repacks contain viruses? - Facebook
This specific file, CFVDD.REPACK-KaOs.part3.rar , is a segment of a multi-part compressed archive containing a game repack from the release group . "CFVDD" likely refers to the game's title in an abbreviated form (e.g., Cyberpunk or Call of Duty variants).