{
  "family": "upatre",
  "sample_count": 4200,
  "category": "downloader",
  "description": "Upatre is a downloader family with 4,200 samples in ember 2018, whose primary function is fetching and executing additional payloads from remote servers. downloaders are commonly the first stage in multi-stage attacks; detection of a downloader indicates that secondary payloads should be expected and investigated.",
  "cta": "If you suspect this malware on your system, do not attempt manual removal. Contact SystemHelpdesk expert MSP support at 855-783-7555 for professional incident response guidance.",
  "aliases": [],
  "enrichment_level": "category-templated",
  "faq": [
    {
      "@type": "Question",
      "name": "What is Upatre malware?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Upatre is a member of the downloader category in the EMBER 2018 malware corpus. Like other downloader samples it shares the behaviors typical of that class. Because precise family-specific reporting on Upatre is limited, this catalog only describes it at the category level rather than fabricating unverified details."
      }
    },
    {
      "@type": "Question",
      "name": "What should I do if Upatre is detected on my system?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Do not attempt manual removal. Downloader samples often establish persistence and may be part of a larger compromise. Isolate the affected system from the network and contact SystemHelpdesk expert MSP support at 855-783-7555 for professional incident response."
      }
    }
  ],
  "faq_count": 2,
  "mitre_attack": [],
  "cisa_advisory": null,
  "last_updated": "2026-05-27"
}