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

Executive Summary

\nPlicker is an intrusive adware family and Potentially Unwanted Program (PUP) designed to aggressively monetize infected systems. It hijacks web browsers, alters core system configurations, and bombards the user with unsolicited, often deceptive, advertisements, significantly degrading system performance and user privacy.\n\n

Technical Analysis and Behavior

\nPlicker relies almost entirely on deceptive software bundling for distribution. Users inadvertently install the adware when downloading media players, file converters, or \"free\" utilities from low-reputation software aggregation websites.\n\nUpon execution, Plicker immediately attempts to establish persistence by creating registry run keys and hidden scheduled tasks. It installs malicious extensions across all detected web browsers (Chrome, Firefox, Edge) and frequently modifies system-wide proxy settings to route web traffic through servers controlled by the adware operators. \n\nThis \"man-in-the-middle\" position allows Plicker to:\n\n\n

Risk Assessment

\nWhile Plicker is not categorized as destructive malware, its privacy implications are severe. The constant network activity slows down the endpoint, and the injected advertisements are frequently served by untrusted networks, greatly increasing the risk of exposure to exploit kits, tech support scams, and secondary malware infections.\n\n

Eradication and Prevention Strategies

\n", "cta": "Published by the SystemHelpdesk team.", "aliases": [ "Adware.Plicker", "PUP.Plicker", "Win32/Plicker" ], "enrichment_level": "expert-seo", "faq": [ { "@type": "Question", "name": "What is Plicker and what threat category does it belong to?", "acceptedAnswer": { "@type": "Answer", "text": "Plicker 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 Plicker establish persistence and evade defensive controls?", "acceptedAnswer": { "@type": "Answer", "text": "Plicker 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 Plicker compromise?", "acceptedAnswer": { "@type": "Answer", "text": "Security teams responding to Plicker 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.Plicker leverage in enterprise intrusions?", "acceptedAnswer": { "@type": "Answer", "text": "Adware.Plicker 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.Plicker maintain covert communications and evade perimeter network monitoring?", "acceptedAnswer": { "@type": "Answer", "text": "Adware.Plicker 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": [ "T1566.002", "T1176", "T1112" ], "cisa_advisory": null, "last_updated": "2026-10-15", "type": "Adware", "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": "T1566.002", "name": "Phishing: Spearphishing Link (Social engineering to force the user to download the tool)", "tactic": "Initial Access" }, { "id": "T1176", "name": "Browser Extensions", "tactic": "Persistence" }, { "id": "T1112", "name": "Modify Registry", "tactic": "Defense Evasion" } ], "containment_steps": [ "Enforce forensic network isolation on all suspected endpoints while maintaining an out-of-band telemetry conduit to capture live Plicker adversary activity.", "Perform full memory dumps across identified staging nodes to extract memory-only implants, kernel rootkit hooks, and decrypted Plicker 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 Plicker.", "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 Plicker operators." ], "what_to_avoid": [ "Do not assume the incident is resolved simply because an antivirus tool removed the initial Plicker 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 Plicker 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" ] }