Malware
ServHelper
ServHelper is written in Delphi and according to ProofPoint best classified as a backdoor.
ServHelper is a Windows malware family operated by TA505.
Background
ServHelper is a Delphi program that ProofPoint considers best described as a backdoor.
ProofPoint identified two separate variants, "tunnel" and "downloader" (citation): "The 'tunnel' variant has more features and focuses on setting up reverse SSH tunnels to allow the threat actor to access the infected host via Remote Desktop Protocol (RDP). Once ServHelper establishes remote desktop access, the malware contains functionality for the threat actor to 'hijack' legitimate user accounts or their web browser profiles and use them as they see fit. The 'downloader' variant is stripped of the tunneling and hijacking functionality and is used as a basic downloader."
Source: Malpedia (Fraunhofer FKIE).