Trojan

About “TrojanDownloader:Win32/Horst.M” infection

Malware Removal

The TrojanDownloader:Win32/Horst.M is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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What TrojanDownloader:Win32/Horst.M virus can do?

  • Sample contains Overlay data
  • CAPE extracted potentially suspicious content
  • The binary contains an unknown PE section name indicative of packing
  • The executable is compressed using UPX
  • Authenticode signature is invalid
  • Behavioural detection: Injection (Process Hollowing)
  • Behavioural detection: Injection (inter-process)
  • Attempts to modify proxy settings
  • Yara detections observed in process dumps, payloads or dropped files

How to determine TrojanDownloader:Win32/Horst.M?


File Info:

name: 9F09E533512C5B9375EB.mlw
path: /opt/CAPEv2/storage/binaries/0ef4d6d0c4f8450888f1ce83959e9ec4483234bd11640d186b2ca17b0bbbd6c4
crc32: 982BF5D5
md5: 9f09e533512c5b9375eb8dc99c303dde
sha1: c6ee74415f5e4b80bcd21d9951c64c1596b28341
sha256: 0ef4d6d0c4f8450888f1ce83959e9ec4483234bd11640d186b2ca17b0bbbd6c4
sha512: bf5b1400c5d520c71d1be33d934b44abc4a317f746eac1897674d2e860a2c00ea0c59727429144e1e95cb763fde6b57ea0152d8d593a99549a22d2b26b93976b
ssdeep: 768:TlOATBQghI0yTSSApqALQHRBq1h2OPxc7bmqhizJFZn:gUBjhIX7oqoKZOPSvm11Fh
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T142538D2378D2D076C842457012A58E86A77B782053F186D3ABA8159FEF762E0DF3E357
sha3_384: 76a1c0aa9eb6644fe28c5992f7e26d6d27ca8415d553309f1566f80b9b48a543fdb9c46f1da4ac7dfaef066362e37b2b
ep_bytes: 6a606830844000e8c3040000bf940000
timestamp: 2006-12-01 08:26:19

Version Info:

0: [No Data]

TrojanDownloader:Win32/Horst.M also known as:

BkavW32.AIDetectMalware
LionicTrojan.Win32.Calac.lK2k
MicroWorld-eScanGen:Trojan.ExplorerHijack.dmX@aC@Jdje
FireEyeGeneric.mg.9f09e533512c5b93
CAT-QuickHealDownloader.Horst.30617
SkyhighBehavesLike.Win32.Generic.kt
McAfeeGenericRXAA-FA!9F09E533512C
Cylanceunsafe
SangforSuspicious.Win32.Save.ins
K7AntiVirusTrojan ( 004bcce41 )
AlibabaTrojanDownloader:Win32/Horst.e9f4042d
K7GWTrojan ( 004bcce41 )
Cybereasonmalicious.3512c5
VirITTrojan.Win32.Agent.HEI
SymantecML.Attribute.HighConfidence
Elasticmalicious (moderate confidence)
ESET-NOD32a variant of Win32/Medbot.DF
APEXMalicious
ClamAVWin.Proxy.Horst-233
KasperskyTrojan-Downloader.Win32.Agent.aii
BitDefenderGen:Trojan.ExplorerHijack.dmX@aC@Jdje
NANO-AntivirusTrojan.Win32.Agent.wacc
AvastWin32:Agent-EFH [Trj]
TencentMalware.Win32.Gencirc.11b8263b
EmsisoftGen:Trojan.ExplorerHijack.dmX@aC@Jdje (B)
GoogleDetected
F-SecureTrojan.TR/Hijack.Agen.35512
DrWebTrojan.DownLoader.19461
ZillyaTrojan.Medbot.Win32.336
Trapminemalicious.high.ml.score
SophosML/PE-A
IkarusTrojan.Win32.Medbot
JiangminTrojanDownloader.Agent.ix
VaristW32/Downloader.RLOI-5866
AviraTR/Hijack.Agen.35512
Antiy-AVLTrojan[Downloader]/Win32.Agent
KingsoftWin32.HeurC.KVMH017.a
MicrosoftTrojanDownloader:Win32/Horst.M
XcitiumTrojWare.Win32.TrojanProxy.Horst.~W@f80rq
ArcabitTrojan.ExplorerHijack.EFB1C4
ViRobotTrojan.Win32.A.Downloader.67054
ZoneAlarmTrojan-Downloader.Win32.Agent.aii
GDataGen:Trojan.ExplorerHijack.dmX@aC@Jdje
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win32.Agent.C81792
BitDefenderThetaAI:Packer.EC14F3B41E
ALYacGen:Trojan.ExplorerHijack.dmX@aC@Jdje
MAXmalware (ai score=100)
VBA32TrojanDownloader.Agent
MalwarebytesMedbot.Backdoor.Bot.DDS
PandaTrj/Downloader.LSL
RisingTrojan.DL.Win32.Agent.aii (CLASSIC)
YandexTrojan.GenAsa!in7MxuGMcIY
SentinelOneStatic AI – Malicious PE
MaxSecureTrojan.Malware.1265130.susgen
FortinetW32/Injector.BVT!tr
AVGWin32:Agent-EFH [Trj]
DeepInstinctMALICIOUS
CrowdStrikewin/malicious_confidence_100% (W)
alibabacloudTrojan[downloader]:Win/Medbot.DF

How to remove TrojanDownloader:Win32/Horst.M?

TrojanDownloader:Win32/Horst.M removal tool
  • Download and install GridinSoft Anti-Malware.
  • Open GridinSoft Anti-Malware and perform a “Standard scan“.
  • Move to quarantine” all items.
  • Open “Tools” tab – Press “Reset Browser Settings“.
  • Select proper browser and options – Click “Reset”.
  • Restart your computer.

About the author

Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

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