MSIL/TrojanDownloader.Small.BTK (file analysis)

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

Network activity detected but not expressed in API logs

How to determine MSIL/TrojanDownloader.Small.BTK?


File Info:
crc32: 4C91B4C1
md5: b61673dfb0c0730932915baa7f1e7cf2
name: B61673DFB0C0730932915BAA7F1E7CF2.mlw
sha1: c994ee0ee4ecc8253852c6afc54a9e1a1dd8f869
sha256: 249cd1b39d7cd4a3d401211e1d8044af713f631532ad271592076df1eeb82553
sha512: d17951af25b0d6939077b84eb9b58399a4b0d166002aaf05b1b482ade607c54ed1f29f02f218428dd8480986c54848f4e43b5e06ccfe64082e403fed51f0e339
ssdeep: 6144:BqeAT7p/5xcdhLKL2Trf3Nkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk:EJVbcjLKqrvNkkkkkkkkkkkkkkkkkkk
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:
Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9  2018
Assembly Version: 1.0.0.0
InternalName: GMAIL.exe
FileVersion: 1.0.0.0
ProductName: GMAIL
ProductVersion: 1.0.0.0
FileDescription: GMAIL
OriginalFilename: GMAIL.exe

MSIL/TrojanDownloader.Small.BTK also known as:

K7AntiVirus	Trojan-Downloader ( 0053b8601 )
Lionic	Trojan.MSIL.Generic.4!c
Elastic	malicious (high confidence)
DrWeb	Trojan.MulDrop18.44609
Cynet	Malicious (score: 99)
Cylance	Unsafe
Zillya	Trojan.Disfa.Win32.70105
CrowdStrike	win/malicious_confidence_100% (D)
Alibaba	Trojan:MSIL/Disfa.1bb58230
K7GW	Trojan-Downloader ( 0053b8601 )
Cybereason	malicious.ee4ecc
Symantec	ML.Attribute.HighConfidence
ESET-NOD32	a variant of MSIL/TrojanDownloader.Small.BTK
APEX	Malicious
Avast	Win32:Malware-gen
ClamAV	Win.Packed.Msilperseus-9802572-0
Kaspersky	HEUR:Trojan.MSIL.Disfa.gen
NANO-Antivirus	Trojan.Win32.KillProc.fhzaez
Tencent	Msil.Trojan.Disfa.Pdby
Sophos	Mal/Generic-S
Comodo	Malware@#i6nkam3fc4um
BitDefenderTheta	Gen:NN.ZemsilF.34266.mq0@aS@qeuj
McAfee-GW-Edition	Artemis!Trojan
FireEye	Generic.mg.b61673dfb0c07309
SentinelOne	Static AI – Malicious PE
Avira	TR/AD.Bladabindi.mbmbk
eGambit	Unsafe.AI_Score_100%
Antiy-AVL	Trojan/Generic.ASMalwS.2817A20
Microsoft	Backdoor:MSIL/Bladabindi
McAfee	Artemis!B61673DFB0C0
Malwarebytes	Malware.AI.4201811270
Panda	Trj/GdSda.A
Ikarus	Trojan-Spy.Agent
Fortinet	MSIL/Small.BTK!tr
AVG	Win32:Malware-gen
Paloalto	generic.ml

How to remove MSIL/TrojanDownloader.Small.BTK?

MSIL/TrojanDownloader.Small.BTK 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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