YARA Rule: VanHelsing.yar

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Valid Rule

/*
VanHelsing ransomware-as-a-service
*/

rule VanHelsing_Ransomnote
{
    meta:
        author = "ransomware.live"
        family = "ransomware.vanhelsing"
        description = "Detects VanHelsing ransomware ransom note"
        date = "2026-05-04"
        severity = 7
        score = 70

    strings:
        $s1 = "VanHelsing" ascii nocase
        $s2 = "VANHELSING" ascii
        $s3 = "vanhelsing.onion" ascii nocase
        $s4 = ".vanhelsing" ascii

    condition:
        any of them
}