OTX Threat: HelloNet campaign: a threat via the ViPNet update system

An active APT campaign discovered in May 2026 exploits the ViPNet update system to deploy previously unknown tooling against large Russian organizations. Attackers achieve persistence through DLL sideloading, placing malicious wtsapi32.dll in ViPNet directories. The campaign employs multiple components: HelloInjector loader, HelloProxy for traffic proxying and payload delivery, HelloExecutor backd Sectors: Government, Energy, Transportation