Categories: Trojan

What is “TrojanDownloader:MSIL/Guplof.A”?

The TrojanDownloader:MSIL/Guplof.A 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:MSIL/Guplof.A virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Authenticode signature is invalid
  • Anomalous .NET characteristics

How to determine TrojanDownloader:MSIL/Guplof.A?


File Info:

name: 0D37143EA8FA6D0E97BF.mlwpath: /opt/CAPEv2/storage/binaries/1a0a316cc037083861ab7a628e14d0f5e242867e92cace6ebd3c89f073bc9aa5crc32: 82A5B076md5: 0d37143ea8fa6d0e97bf58a4d3dfe764sha1: ebda4d4a4c2ca940999b852c5484ca916f9b9800sha256: 1a0a316cc037083861ab7a628e14d0f5e242867e92cace6ebd3c89f073bc9aa5sha512: b9fa945bb47e95303de45c31144c212abbbb908c6fb66f445b2263362bc49dccfa135daed85df7c1711662e7e18833fffefb8cef0fc94f3ae6ebeca7de3de7bdssdeep: 768:wyl4zbXE47eDEP77/MVlpqh0zL0gJOHMpKWkz2iQcKr:TlUbOKqcHIizhKrtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1D533D58FFD21A117CC1A92BB851394A8005DE819B612E3CF91D24E231F777FDDD8A4A6sha3_384: 77daa0302b6acb0db20f4447418ed9a8a49967f1197e7f58b4293ddfbf1b75d691d36348f4401b0a22624f13a90a43d9ep_bytes: ff250020400000000000000000000000timestamp: 2014-02-13 14:35:22

Version Info:

Translation: 0x0000 0x04b0FileDescription: FileVersion: 0.0.0.0InternalName: serves.exeLegalCopyright: OriginalFilename: serves.exeProductVersion: 0.0.0.0Assembly Version: 0.0.0.0

TrojanDownloader:MSIL/Guplof.A also known as:

Bkav W32.AIDetectNet.01
Lionic Trojan.Win32.Razy.4!c
MicroWorld-eScan IL:Trojan.MSILZilla.9906
McAfee Artemis!0D37143EA8FA
Cylance Unsafe
Zillya Downloader.Agent.Win32.377984
Sangfor Suspicious.Win32.Save.a
K7AntiVirus Trojan ( 700000121 )
Alibaba Trojan:MSIL/Bladabindi.bb414b30
K7GW Trojan ( 700000121 )
Cybereason malicious.ea8fa6
BitDefenderTheta Gen:NN.ZemsilF.34592.dm0@aWtepal
Symantec ML.Attribute.HighConfidence
Elastic malicious (high confidence)
ESET-NOD32 a variant of MSIL/TrojanDownloader.Agent.MK
APEX Malicious
Paloalto generic.ml
BitDefender IL:Trojan.MSILZilla.9906
NANO-Antivirus Riskware.Win32.Agent.ctwino
Avast Win32:Adware-gen [Adw]
Tencent Msil.Trojan-downloader.Agent.Gbv
Ad-Aware IL:Trojan.MSILZilla.9906
Sophos Generic ML PUA (PUA)
Comodo Malware@#1xa4rev0hm6c3
VIPRE IL:Trojan.MSILZilla.9906
McAfee-GW-Edition BehavesLike.Win32.Generic.qm
Trapmine malicious.moderate.ml.score
FireEye Generic.mg.0d37143ea8fa6d0e
Emsisoft IL:Trojan.MSILZilla.9906 (B)
SentinelOne Static AI – Malicious PE
GData IL:Trojan.MSILZilla.9906
Google Detected
Avira HEUR/AGEN.1208289
MAX malware (ai score=99)
Antiy-AVL Trojan/Generic.ASMalwS.330C
Kingsoft Win32.Troj.Generic_a.a.(kcloud)
Microsoft TrojanDownloader:MSIL/Guplof.A
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Jorik.C200858
ALYac IL:Trojan.MSILZilla.9906
Rising Trojan.Generic/MSIL@AI.100 (RDM.MSIL:D2fwlZl6JETwKQN22tuGaw)
Ikarus Trojan.MSIL.Bladabindi
MaxSecure Trojan.Malware.300983.susgen
Fortinet Riskware/DomaIQ
AVG Win32:Adware-gen [Adw]
Panda Generic Malware
CrowdStrike win/malicious_confidence_100% (D)

How to remove TrojanDownloader:MSIL/Guplof.A?

  • 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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