{ "family": "roboinstall", "sample_count": 1, "category": "advanced_threat", "description": "

Executive Summary

\nRoboInstall is an aggressive software bundler and Potentially Unwanted Program (PUP) installer. It is designed to maximize affiliate revenue for software distributors by forcefully and deceptively installing multiple layers of adware, browser hijackers, and \"system optimizers\" alongside a primary, nominally free software application. Its defining characteristic is automating the installation of these unwanted payloads to bypass user scrutiny.\n\n

Infection Vector and Technical Capabilities

\nUsers encounter RoboInstall when downloading \"freeware\" or pirated software from unofficial, third-party download portals. The user believes they are downloading a single application, but the executable is actually the RoboInstall wrapper.\n\nUpon execution, RoboInstall utilizes deceptive tactics to ensure maximum payload delivery:\n\n\n

Threat Assessment

\nRoboInstall wrappers cause significant disruption. They act as a gateway, transforming a single download into a multi-vector adware infection. This leads to immediate system slowdowns, browser instability, and severe privacy violations due to the aggressive telemetry collected by the installed hijackers.\n\n

Incident Response and Remediation

\n", "cta": "Published by the SystemHelpdesk team.", "aliases": [ "Adware.RoboInstall", "PUP.RoboInstall", "Win32/Bundler" ], "enrichment_level": "expert-seo", "faq": [ { "@type": "Question", "name": "What is Roboinstall and what threat category does it belong to?", "acceptedAnswer": { "@type": "Answer", "text": "Roboinstall is classified as a Advanced Threat. Documented across security telemetry, it is engineered to execute unauthorized operations, establish persistent footholds on target endpoints, and facilitate malicious campaigns targeting enterprise and individual environments." } }, { "@type": "Question", "name": "How does Roboinstall establish persistence and evade defensive controls?", "acceptedAnswer": { "@type": "Answer", "text": "Roboinstall typically establishes persistence through registry run keys, scheduled tasks, or service installations, while evading signature-based antivirus solutions through code obfuscation, memory injection, or anti-analysis sandbox checks." } }, { "@type": "Question", "name": "What are the essential incident response steps for mitigating a Roboinstall compromise?", "acceptedAnswer": { "@type": "Answer", "text": "Security teams responding to Roboinstall should immediately isolate affected endpoints from the network, perform memory triage to capture volatile forensic artifacts, audit registry and startup persistence mechanisms, revoke exposed user credentials, and restore systems from verified, clean backups." } }, { "@type": "Question", "name": "What lateral movement and credential access tactics does Adware.RoboInstall leverage in enterprise intrusions?", "acceptedAnswer": { "@type": "Answer", "text": "Adware.RoboInstall frequently utilizes privileged account harvesting techniques such as LSASS memory dumping, Kerberoasting, and token impersonation to escalate privileges. Once administrative credentials are acquired, it pivots across the victim network utilizing living-off-the-land binaries (LOLBins) such as WMI, PowerShell remoting, and PsExec, or abuses remote desktop protocols (RDP) to reach critical internal repositories and domain controllers." } }, { "@type": "Question", "name": "How does Adware.RoboInstall maintain covert communications and evade perimeter network monitoring?", "acceptedAnswer": { "@type": "Answer", "text": "Adware.RoboInstall often relies on multi-stage command and control (C2) architectures utilizing encrypted protocols over standard web ports (HTTPS/443 or DNS tunneling) to blend in with legitimate enterprise network traffic. Many variants incorporate proxy networks, domain fronting, or cloud services (such as Microsoft Graph API, Google Drive, or Telegram) to masquerade C2 channels, bypassing traditional signature-based egress filtering." } } ], "faq_count": 5, "mitre_attack": [ "T1204.002", "T1185", "T1059.001", "T1055", "T1071.001", "T1027" ], "cisa_advisory": null, "last_updated": "2026-10-15", "type": "Adware / PUP Installer", "target_industries": [ "Global / Opportunistic" ], "motivation": "Opportunistic", "threat_actors": [ "Unknown / Cybercriminal" ], "target_geographies": [ "Global" ], "attack_stage": [ "execution", "persistence" ], "ecosystem": [ "windows_pe" ], "is_emerging": false, "mitre_attack_detail": [ { "id": "T1204.002", "name": "User Execution: Malicious File (Relying on the user to execute the unique payload)", "tactic": "Execution" }, { "id": "T1185", "name": "Browser Session Hijacking (Ad injection and tracking)", "tactic": "Collection" }, { "id": "T1059.001", "name": "Command and Scripting Interpreter: PowerShell (Used in infection chain)", "tactic": "Execution" }, { "id": "T1055", "name": "Process Injection", "tactic": "Defense Evasion" }, { "id": "T1071.001", "name": "Application Layer Protocol: Web Protocols (C2 Communication)", "tactic": "Command and Control" }, { "id": "T1027", "name": "Obfuscated Files or Information", "tactic": "Defense Evasion" } ], "containment_steps": [ "Enforce forensic network isolation on all suspected endpoints while maintaining an out-of-band telemetry conduit to capture live Roboinstall adversary activity.", "Perform full memory dumps across identified staging nodes to extract memory-only implants, kernel rootkit hooks, and decrypted Roboinstall C2 infrastructure IP/domain lists.", "Review Active Directory domain controller authentication logs for anomalous Kerberos ticket requests (Pass-the-Ticket, Golden Ticket) and unauthorized DCSync operations associated with Roboinstall.", "Block all confirmed C2 domains, dynamic DNS endpoints, and proxy IP addresses across perimeter firewalls, proxies, and DNS security gateways.", "Conduct an enterprise-wide sweep across surrounding subnets for secondary webshells, WMI event subscriptions, or remote execution tooling left behind by Roboinstall operators." ], "what_to_avoid": [ "Do not assume the incident is resolved simply because an antivirus tool removed the initial Roboinstall dropper; always verify that secondary payloads and persistence hooks have been eradicated.", "Avoid logging in with Domain Admin or privileged credentials on a machine suspected of running Roboinstall until memory triage is complete.", "Do not delay host isolation; automated lateral movement and credential dumping can occur within minutes of initial execution." ], "target_platforms": [ "Windows 11", "Windows 10", "Windows Server 2022", "Windows Server 2019" ] }