What is “Trojan.Win32.BitCoinMiner.efs”?

The Trojan.Win32.BitCoinMiner.efs 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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Gridinsoft Anti-Malware

Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.

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What Trojan.Win32.BitCoinMiner.efs virus can do?

The binary likely contains encrypted or compressed data.
Anomalous binary characteristics

How to determine Trojan.Win32.BitCoinMiner.efs?


File Info:
crc32: 64398B8B
md5: 3b8a4acc363b6410d1de866c159ed7e3
name: 3B8A4ACC363B6410D1DE866C159ED7E3.mlw
sha1: e9338a4e3c26cdb902564013188cf33cecf1b76e
sha256: e3159e4332863525b04b2a1c3dc01df2a62de858fe03a4a4a0b8ec5c632b363b
sha512: d0797eea376307e24b42a6486f021ab86062ef7cba9016e0fe2774b195e90ade86cef419648ea7d5421ed92086ebca211ce04c478dc875f40b7c9f3c6ba17375
ssdeep: 12288:7WrOyQ5Bsku4A2mwbFDh2agW3Ya17JnQEEvdFi+DBEstQsgkma:arOf+4A2mwbFDh2agWt17JQbvdZBE6y
type: PE32+ executable (GUI) x86-64, for MS Windows

Version Info:
LegalCopyright: xa9 Microsoft Corporation. All rights reserved.
InternalName: ConHost
FileVersion: 63, 21, 17, 22

CompanyName: Microsoft Corporation
ProductName: Microsoftxa9 Windowsxa9 Operating System
ProductVersion: 62.63.84.20
FileDescription: Windows System Service Pack
OriginalFilename: CONHOST.EXE
Translation: 0x0409 0x04b0

Trojan.Win32.BitCoinMiner.efs also known as:

K7AntiVirus	Trojan ( 0054029f1 )
Lionic	Trojan.Win32.Generic.4!c
Elastic	malicious (high confidence)
DrWeb	Trojan.BtcMine.3118
Cynet	Malicious (score: 100)
ALYac	Trojan.GenericKDZ.50624
Cylance	Unsafe
Zillya	Trojan.Kryptik.Win32.1527790
Sangfor	Trojan.Win32.Save.a
CrowdStrike	win/malicious_confidence_80% (D)
Alibaba	Trojan:Win32/BitCoinMiner.c39349c1
K7GW	Trojan ( 0054029f1 )
Cybereason	malicious.c363b6
Symantec	Trojan.Gen.2
ESET-NOD32	a variant of Win64/Kryptik.BTQ
APEX	Malicious
Avast	Win64:TrojanX-gen [Trj]
Kaspersky	Trojan.Win32.BitCoinMiner.efs
BitDefender	Trojan.GenericKDZ.50624
NANO-Antivirus	Trojan.Win64.BitCoinMiner.fnuqnc
MicroWorld-eScan	Trojan.GenericKDZ.50624
Tencent	Win32.Trojan.Generic.Lmbi
Ad-Aware	Trojan.GenericKDZ.50624
Sophos	Mal/Generic-S
Comodo	Malware@#18mksnnc7mwec
VIPRE	Trojan.Win32.Generic!BT
McAfee-GW-Edition	BehavesLike.Win64.Trojan.bc
FireEye	Generic.mg.3b8a4acc363b6410
Emsisoft	Trojan.GenericKDZ.50624 (B)
Jiangmin	Trojan.BitCoinMiner.gu
Avira	TR/CoinMiner.Gen
Antiy-AVL	Trojan/Generic.ASMalwS.28C9C79
Microsoft	Trojan:Win64/Injector.CD
GData	Trojan.GenericKDZ.50624
AhnLab-V3	Trojan/Win.Generic.R437447
McAfee	Artemis!3B8A4ACC363B
MAX	malware (ai score=100)
VBA32	Trojan.BtcMine
Malwarebytes	Trojan.FakeMS
Panda	Trj/CI.A
Yandex	Trojan.BitCoinMiner!pjOnpxiA7WU
Ikarus	Trojan.Win32.Crypt
Fortinet	W32/Generic.AC.42C0D4
AVG	Win64:TrojanX-gen [Trj]
Paloalto	generic.ml

How to remove Trojan.Win32.BitCoinMiner.efs?

Trojan.Win32.BitCoinMiner.efs 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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