Categories: Trojan

Trojan-Downloader.Win32.GuLoader.on removal

The Trojan-Downloader.Win32.GuLoader.on 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 Trojan-Downloader.Win32.GuLoader.on virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Creates RWX memory
  • Dynamic (imported) function loading detected
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid

How to determine Trojan-Downloader.Win32.GuLoader.on?


File Info:

name: 1BC9F2821014AB3BDDB2.mlwpath: /opt/CAPEv2/storage/binaries/7a01ea29565c75d4763be82fb36524eb31e3143b7d8de66951ad103f201fd595crc32: 8D0A17BFmd5: 1bc9f2821014ab3bddb2b457ffa44021sha1: c2c598ec0280cbe1ad8c10d3be55db263bd3a47bsha256: 7a01ea29565c75d4763be82fb36524eb31e3143b7d8de66951ad103f201fd595sha512: 90f45c42f7a49f7fce7813218640c9b146676d250a9dd4280aa5627ff3bfdaced0d3c6b88846dc340b01b5b3ceab212d4390e095f05fe9958b0678fa1ea87b51ssdeep: 3072:6QfV9sCAJ6UWGp+yeypnkbXdTl2VBIs0u:6QsCJyzguItype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T18CF37C707B789A82EA5AA77303089235D5A07CE0AFC0D53F7818396918F53831579FEEsha3_384: d5ae0644099dfc0536cadb59a275fb794afe6c750d9381016bbe0603fac2ca1109b91e529b79c0e3e2c11a5366213e93ep_bytes: 68f0c94100e8eeffffff000000000000timestamp: 2008-02-26 01:08:21

Version Info:

Translation: 0x0000 0x04b0Comments: Ancients-LucentCompanyName: Ancients-LucentFileDescription: Ancients-LucentLegalCopyright: Ancients-LucentLegalTrademarks: Ancients-LucentProductName: Ancients-LucentFileVersion: 1.00ProductVersion: 1.00InternalName: DkbladetOriginalFilename: Dkbladet.exe

Trojan-Downloader.Win32.GuLoader.on also known as:

Lionic Trojan.Win32.Malicious.4!c
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
FireEye Generic.mg.1bc9f2821014ab3b
CAT-QuickHeal Trojan.Win32
McAfee RDN/Sabsik
Malwarebytes Trojan.Injector
Zillya Downloader.Agent.Win32.453974
Sangfor Trojan.Win32.GuLoader.PDE
K7AntiVirus Trojan-Downloader ( 005661971 )
Alibaba TrojanDownloader:Win32/GuLoader.87177b39
K7GW Trojan-Downloader ( 005661971 )
BitDefenderTheta Gen:NN.ZevbaF.34182.km0@a0MhaJoi
VirIT Trojan.Win32.VBZenPack_Heur
Cyren W32/Trojan.HXJN-7499
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/TrojanDownloader.Agent.FCS
TrendMicro-HouseCall Trojan.Win32.GULOADER.UVFTHW
Kaspersky Trojan-Downloader.Win32.GuLoader.on
BitDefender Trojan.GenericKD.47382045
MicroWorld-eScan Trojan.GenericKD.47382045
Avast Win32:Trojan-gen
Emsisoft Trojan.GenericKD.47382045 (B)
Comodo Malware@#5z852pic2cqe
TrendMicro Trojan.Win32.GULOADER.UVFTHW
McAfee-GW-Edition BehavesLike.Win32.Rontokbro.ch
Sophos Mal/Generic-S
Ikarus Trojan.VB.Crypt
eGambit Unsafe.AI_Score_97%
Antiy-AVL Trojan/Generic.ASMalwS.34D3EF7
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Trojan:Win32/GuLoader.PDE!MTB
ViRobot Trojan.Win32.Z.Agent.172032.CZL
GData Trojan.GenericKD.47382045
AhnLab-V3 Downloader/Win.GuLoader.C4768932
VBA32 BScope.TrojanDownloader.GuLoader
ALYac Trojan.Agent.GuLoader
MAX malware (ai score=81)
Cylance Unsafe
APEX Malicious
Rising Downloader.Agent!8.B23 (CLOUD)
Yandex Trojan.DL.Agent!kVo8Y3g+pJY
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.1728101.susgen
Fortinet W32/Agent.FCS!tr.dldr
Webroot W32.Trojan.Gen
AVG Win32:Trojan-gen
Panda Trj/GdSda.A
CrowdStrike win/malicious_confidence_90% (W)

How to remove Trojan-Downloader.Win32.GuLoader.on?

  • 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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