Categories: Trojan

MSIL/TrojanDownloader.Small.BYM (file analysis)

The MSIL/TrojanDownloader.Small.BYM 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 MSIL/TrojanDownloader.Small.BYM virus can do?

  • The binary likely contains encrypted or compressed data.
  • Network activity detected but not expressed in API logs

How to determine MSIL/TrojanDownloader.Small.BYM?


File Info:

crc32: 7D937A62md5: d7ee260636251b156b7d677da928c0a7name: D7EE260636251B156B7D677DA928C0A7.mlwsha1: f8505b62f25edd238b5a80c429e9752dc1990e72sha256: 15eb4fea982c823ac9580f4e61ac4b0c0c49d72444cc570b395c3033cfa40b55sha512: 59cf6daa8f720120306b2eb0f5ba9db568536ccca9914418db0125229552e1d8ec4c8872335e6b2a967fd6958bac4a81a3c9ee7ec379f5c70fdb239a94bd6d4essdeep: 1536:wbsLOngqqM3eJG53G73mxdvdx840c9MtFan4/bPN0mTUI0n:nHzM32GhNvL840c9Vn4/bPN0mTUI4type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0LegalCopyright: Copyright (c) ESET, spol. s r.o. 1992-2021. All rights reserved.Assembly Version: 10.18.44.0InternalName: JokingNiggaFloppa.exeFileVersion: 10.18.44.0CompanyName: ESET SecurityLegalTrademarks: NOD, NOD32, AMON, ESET are registered trademarks of ESET.Comments: ESET Live InstallerProductName: ESETProductVersion: 10.18.44.0FileDescription: Bootstrapper.exeOriginalFilename: JokingNiggaFloppa.exe

MSIL/TrojanDownloader.Small.BYM also known as:

Lionic Trojan.MSIL.Reline.i!c
Cynet Malicious (score: 99)
Alibaba TrojanPSW:MSIL/Reline.bf13bdd7
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/TrojanDownloader.Small.BYM
APEX Malicious
Avast Win32:CrypterX-gen [Trj]
Kaspersky HEUR:Trojan-PSW.MSIL.Reline.gen
BitDefender Trojan.GenericKD.37334529
MicroWorld-eScan Trojan.GenericKD.37334529
Ad-Aware Trojan.GenericKD.37334529
Sophos Mal/Generic-S
BitDefenderTheta Gen:NN.ZemsilF.34058.fm0@aiDV65o
McAfee-GW-Edition RDN/Generic PWS.y
FireEye Trojan.GenericKD.37334529
Emsisoft Trojan.GenericKD.37334529 (B)
SentinelOne Static AI – Malicious PE
Webroot W32.Malware.Gen
Avira TR/Dldr.Small.sphfl
Microsoft Trojan:Win32/Wacatac.B!ml
Arcabit Trojan.Generic.D239AE01
GData Trojan.GenericKD.37334529
McAfee RDN/Generic PWS.y
MAX malware (ai score=89)
VBA32 TScope.Trojan.MSIL
Panda Trj/GdSda.A
TrendMicro-HouseCall TROJ_GEN.R002H0DH121
Ikarus Trojan-Downloader.MSIL.Small
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Reline.BYM!tr.pws
AVG Win32:CrypterX-gen [Trj]
Paloalto generic.ml
Qihoo-360 Win32/TrojanPSW.Generic.HgIASZkA

How to remove MSIL/TrojanDownloader.Small.BYM?

  • 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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