Malware
Silence
aka TrueBot
According to PCrisk, Truebot, also known as Silence.Downloader, is a malicious program that has botnet and loader/injector capabilities.
Silence, also known as TrueBot, is a Windows malware family operated by Silence group and TA505.
Background
PCrisk describes Truebot, also tracked as Silence.Downloader, as a malicious program offering botnet and loader/injector functionality. It can enroll compromised machines into a botnet and trigger cascading infections by fetching and installing further malicious components.
Truebot's distribution methods and infection chains vary considerably from one campaign to the next, and the operators behind it are likely to keep altering them over time.
Source: Malpedia (Fraunhofer FKIE).