Categories: Trojan

TrojanDownloader:Win32/Leodon.D removal guide

The TrojanDownloader:Win32/Leodon.D 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/Leodon.D virus can do?

  • A file was accessed within the Public folder.
  • Uses Windows utilities for basic functionality
  • Drops a binary and executes it
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • The executable is compressed using UPX
  • Authenticode signature is invalid
  • CAPE detected the shellcode patterns malware family
  • Attempts to modify proxy settings
  • Touches a file containing cookies, possibly for information gathering
  • Uses suspicious command line tools or Windows utilities
  • Yara detections observed in process dumps, payloads or dropped files

How to determine TrojanDownloader:Win32/Leodon.D?


File Info:

name: 33D326F7A79494B5CA3E.mlwpath: /opt/CAPEv2/storage/binaries/37548aea431722f23b2af50c6aad316008dc26cc23ad8912f0879daea00790c9crc32: C7840C58md5: 33d326f7a79494b5ca3e39bed9fb8bd5sha1: e3bced71094926669f1ad0c3ba83d7f2c3f61ba1sha256: 37548aea431722f23b2af50c6aad316008dc26cc23ad8912f0879daea00790c9sha512: b68814d15ff4c26e3d06327a4b3a527b109ce665a759be2ab872216a83864a35fa1276444202e1359e1a966d43148b872440ddf730872ea2b21a4043d957d71essdeep: 768:oCyiql0mQoxYlFanSl+Ym+g9iFxEG1tx37S0wPtyoNIUCjejt1P8FFbK4Ntc:Iiql0mQoxpnDYzDWEth+PtyVUCjeEOtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1D283D0AEFAE089B3C136DDBD8E24C255DB377A200E2D0645F99E1DDCDE673A1181C206sha3_384: 570c00db30f474847c4b7af111e0cc5958b077c7b11712d9be9370e9491662c816f120b15570d0266222e4ad3635deadep_bytes: 558bec83c4f053b8dc484000e8b3f1fftimestamp: 1992-06-19 22:22:17

Version Info:

0: [No Data]

TrojanDownloader:Win32/Leodon.D also known as:

Bkav W32.AIDetectMalware
Lionic Worm.Win32.Viking.l3Va
MicroWorld-eScan Gen:Variant.Doina.20805
FireEye Generic.mg.33d326f7a79494b5
Skyhigh BehavesLike.Win32.Sytro.lm
McAfee PolyPatch-UPX
Malwarebytes Malware.Heuristic.2047
Zillya Trojan.Delf.Win32.81294
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 004bcce41 )
Alibaba TrojanDownloader:Win32/Cosmu.8728a641
K7GW Trojan ( 004bcce41 )
Cybereason malicious.7a7949
Baidu Win32.Trojan.Delf.it
VirIT Trojan.Win32.Delf.QIP
Symantec ML.Attribute.HighConfidence
Elastic malicious (moderate confidence)
ESET-NOD32 Win32/Delf.PGB
APEX Malicious
TrendMicro-HouseCall Mal_Otorun9
ClamAV Win.Trojan.Agent-899155
Kaspersky Trojan.Win32.Cosmu.xet
BitDefender Gen:Variant.Doina.20805
NANO-Antivirus Trojan.Win32.Nilage.croxoi
Avast Win32:Adware-gen [Adw]
Tencent Malware.Win32.Gencirc.13b03a0e
Sophos W32/Autorun-BGT
F-Secure Trojan.TR/Delf.V.1
DrWeb Trojan.MulDrop1.16843
VIPRE Gen:Variant.Doina.20805
TrendMicro Mal_Otorun9
Trapmine malicious.high.ml.score
Emsisoft Gen:Variant.Doina.20805 (B)
Ikarus Worm.Win32.AutoRun
Jiangmin Trojan/Cosmu.dkj
Google Detected
Avira TR/Delf.V.1
Varist W32/Autorun.DVQD-1997
Antiy-AVL Worm/Win32.AutoRun
Kingsoft Win32.HeurC.KVM003.a
Microsoft TrojanDownloader:Win32/Leodon.D
Xcitium Packed.Win32.MUPX.Gen@24tbus
Arcabit Trojan.Doina.D5145
ZoneAlarm Trojan.Win32.Cosmu.xet
GData Gen:Variant.Doina.20805
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Cosmu.C99609
VBA32 Trojan-Dropper.Delf.Bps
ALYac Gen:Variant.Doina.20805
MAX malware (ai score=99)
Cylance unsafe
Panda Trj/CI.A
Rising Downloader.Leodon!8.EA2 (TFE:4:Uc2UGAQ0zfS)
Yandex Trojan.GenAsa!athc83fE8WU
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.1751547.susgen
Fortinet W32/Cosmu.XET!tr
BitDefenderTheta AI:Packer.1701B46A20
AVG Win32:Adware-gen [Adw]
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_100% (W)
alibabacloud Worm:Win/Delf.PGB

How to remove TrojanDownloader:Win32/Leodon.D?

  • 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.
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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