MALPEDIA_Win_Vhd_Ransomware_Auto

rule MALPEDIA_Win_Vhd_Ransomware_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "3eb9d40f-ff35-5179-8981-dd8b14521fe0"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.vhd_ransomware"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.vhd_ransomware_auto.yar#L1-L125"
		license_url = "N/A"
		logic_hash = "0f5f660b67fba64c29fe18496009f09d3aae32c2edd291f997d3b0d2acf1d206"
		score = 75
		quality = 75
		tags = "FILE"
		version = "1"
		tool = "yara-signator v0.6.0"
		signator_config = "callsandjumps;datarefs;binvalue"
		malpedia_rule_date = "20260422"
		malpedia_hash = "a182e35da64e6d71cb55f125c4d4225196523f14"
		malpedia_version = "20260504"
		malpedia_license = "CC BY-SA 4.0"
		malpedia_sharing = "TLP:WHITE"

	strings:
		$sequence_0 = { f3ab 8b8530030000 8902 33c0 89a54cf3ffff 398530030000 7e1b }
		$sequence_1 = { c78520e6ffff70020000 e8???????? 8b8520e6ffff 8b848524e6ffff 8bc8 c1e90b 238da4f9ffff }
		$sequence_2 = { 8845ea 8b45e4 48 8855e9 33d2 8955e0 8945dc }
		$sequence_3 = { 8d4a04 8d9b00000000 8bb485a8f9ffff 8931 40 83c104 }
		$sequence_4 = { 89a5f4fcffff c60600 e8???????? 8db5f8fcffff }
		$sequence_5 = { b801000000 5b 5d c3 8b7d08 e8???????? }
		$sequence_6 = { 8b45f8 c9 c3 8bff 55 8bec 5d }
		$sequence_7 = { 8b8534f3ffff 40 898534f3ffff 83f820 0f8c23fdffff 8b8538f3ffff 83853cf3ffff04 }
		$sequence_8 = { 8345e404 ebe6 c745e0bc514100 817de0c0514100 }
		$sequence_9 = { 897de4 8955e0 c60600 895dd8 3bc2 7416 }

	condition:
		7 of them and filesize < 275456
}