A crypter (alternatively spelled cryptor) malware dubbed AceCryptor has been used to pack numerous strains of malware since 2016.
Slovak cybersecurity firm ESET said it identified over 240,000 detections of the crypter in its telemetry in 2021 and 2022. This amounts to more than 10,000 hits per month.
Some of the prominent malware families contained within AceCryptor are SmokeLoader, RedLine