{
  "family": "mypcbackup",
  "sample_count": 9,
  "category": "advanced_threat",
  "description": "PUA:Win32/Mypcbackup is a notorious Potentially Unwanted Program (PUA) that operates as highly aggressive 'Scareware'. It masquerades as a legitimate, essential cloud backup utility. However, it utilizes deceptive marketing, fabricated warnings about impending data loss, and extremely intrusive pop-ups to coerce users into purchasing a premium, recurring subscription for a subpar or non-existent cloud storage service.<br><br><b>Understanding Mypcbackup Scareware</b><br>To an end-user, Mypcbackup is a constant source of anxiety. It suddenly appears on their machine and begins flashing warnings like 'Your files are not backed up! Hard drive failure imminent!' For a security analyst, it is a manipulative fraud. It is classified as a PUA because it almost always installs itself silently via software bundlers, bypassing user consent, and its primary function is aggressive financial extortion rather than actual utility.<br><br><b>Execution and Deception Mechanics</b><br>Mypcbackup is heavily distributed via deceptive freeware bundlers (`T1189`), often piggybacking on downloads like PDF readers or video converters. Upon execution (`T1204.002`), it establishes aggressive persistence via Registry Run keys and multiple Scheduled Tasks (`T1053.005`). It immediately runs a fake 'scan', analyzing the user's files to generate alarming, customized pop-ups (`T1566.002`) claiming massive amounts of data are at risk. It frequently modifies browser settings or installs adware extensions to generate secondary revenue. The constant pop-ups are designed to wear the user down until they enter their credit card information to stop the harassment.<br><br><b>Indicators of Compromise & Impact</b><br>The primary impact is financial loss (recurring fraudulent subscriptions) and a severely degraded user experience due to constant, uncloseable pop-ups and system sluggishness. Incident responders will observe the unexpected installation of the Mypcbackup GUI (usually in `C:\\Program Files (x86)\\MyPC Backup`). EDR logs will show the creation of multiple persistent startup entries designed to launch the fake scanner GUI on a recurring basis.",
  "cta": "Published by the SystemHelpdesk team.",
  "aliases": [],
  "enrichment_level": "expert-seo",
  "faq": [
    {
      "@type": "Question",
      "name": "What is Mypcbackup and what threat category does it belong to?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Mypcbackup 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 Mypcbackup establish persistence and evade defensive controls?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Mypcbackup 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 Mypcbackup compromise?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Security teams responding to Mypcbackup 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 Mypcbackup leverage in enterprise intrusions?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Mypcbackup 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 Mypcbackup maintain covert communications and evade perimeter network monitoring?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Mypcbackup 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": [
    "T1189",
    "T1566.002",
    "T1053.005",
    "T1204.002"
  ],
  "cisa_advisory": null,
  "last_updated": "2026-06-09",
  "mitre_attack_detail": [
    {
      "id": "T1189",
      "name": "Drive-by Compromise (Bundled Installers)",
      "tactic": "Initial Access"
    },
    {
      "id": "T1566.002",
      "name": "Phishing: Spearphishing Link (Deceptive Pop-ups and Fake Scans)",
      "tactic": "Credential Access"
    },
    {
      "id": "T1053.005",
      "name": "Scheduled Task/Job: Scheduled Task",
      "tactic": "Persistence"
    },
    {
      "id": "T1204.002",
      "name": "User Execution: Malicious File",
      "tactic": "Execution"
    }
  ],
  "containment_steps": [
    "Use the Windows Control Panel to thoroughly uninstall the Mypcbackup software and any bundled applications installed on the same date.",
    "Deploy an enterprise adware/PUA removal tool (e.g., Malwarebytes) to locate and strip the deeply embedded Scheduled Tasks and registry hooks left behind.",
    "If the user entered credit card information into the software's portal, advise them to contact their bank immediately to dispute the fraudulent charge and cancel the recurring subscription.",
    "Force a complete reset of all installed web browsers to factory defaults to eradicate any bundled rogue extensions."
  ],
  "what_to_avoid": [
    "Do not rely solely on the software's provided uninstaller; it frequently leaves behind watchdog services to generate pop-ups later or reinstall the software.",
    "Avoid paying the requested fee; it funds fraudulent operations and traps the user in a difficult-to-cancel recurring billing cycle."
  ],
  "target_industries": [
    "Global / Opportunistic"
  ],
  "motivation": "Opportunistic",
  "threat_actors": [
    "Unknown / Cybercriminal"
  ],
  "target_geographies": [
    "Global"
  ],
  "attack_stage": [
    "execution",
    "persistence"
  ],
  "ecosystem": [
    "windows_pe"
  ],
  "is_emerging": false,
  "target_platforms": [
    "Windows 11",
    "Windows 10",
    "Windows Server 2022",
    "Windows Server 2019"
  ]
}