Trojan

Trojan:MSIL/BitcoinMiner.A removal tips

Malware Removal

The Trojan:MSIL/BitcoinMiner.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.

GridinSoft Anti-Malware

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:MSIL/BitcoinMiner.A virus can do?

  • Executable code extraction
  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Injection with CreateRemoteThread in a remote process
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • At least one IP Address, Domain, or File Name was found in a crypto call
  • Reads data out of its own binary image
  • The binary likely contains encrypted or compressed data.
  • Attempts to remove evidence of file being downloaded from the Internet
  • Executed a process and injected code into it, probably while unpacking
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config
  • Installs itself for autorun at Windows startup
  • Exhibits behavior characteristic of Nanocore RAT
  • Creates a copy of itself
  • Collects information to fingerprint the system

How to determine Trojan:MSIL/BitcoinMiner.A?


File Info:

crc32: F40A991B
md5: 7f8aaa0366913559c52c10e8c37ffc56
name: 7F8AAA0366913559C52C10E8C37FFC56.mlw
sha1: 8071549e9d11e077544bb6966c498fa0969eb68a
sha256: de5313fdc8beaa567ddd68025bea2976f4ab499d70cd6edc5e7c53d9dcf17e34
sha512: 732e3e7475ffe95cc871fd010e3e65ca26808b5586bb8fa703ea0a2bcb53e0da10c46d9108b43105c89c1ab881232a6e0b3772e6ac5e4da95549434bd22457bd
ssdeep: 12288:TgbQ8tlCVcbu+o1Tvai49XssssssssssssssssssssssssssssscXXXXXXX+:kTtsVcpoNai
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

LegalCopyright: xa9Thunderbird and Mozilla Developers, according to the MPL 1.1/GPL 2.0/LGPL 2.1 licenses, as applicable.
InternalName: Thunderbird
FileVersion: 31.7.0
CompanyName: Mozilla Corporation
BuildID: 20150507114201
LegalTrademarks: Thunderbird is a Trademark of The Mozilla Foundation.
Comments: Mozilla Thunderbird Mail and News Client
ProductName: Thunderbird
ProductVersion: 31.7.0
FileDescription: Thunderbird
OriginalFilename: thunderbird.exe
Translation: 0x0000 0x04b0

Trojan:MSIL/BitcoinMiner.A also known as:

Elasticmalicious (high confidence)
MicroWorld-eScanGen:Variant.Razy.699811
FireEyeGeneric.mg.7f8aaa0366913559
CAT-QuickHealBackdoor.MSIL
Qihoo-360Win32/Trojan.624
ALYacGen:Variant.Razy.699811
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
AegisLabTrojan.MSIL.NanoBot.m!c
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 004d9f071 )
BitDefenderGen:Variant.Razy.699811
K7GWTrojan ( 004d9f071 )
Cybereasonmalicious.366913
BitDefenderThetaGen:NN.ZemsilF.34804.Cm0@aW9afpki
SymantecW32.Golroted!gen3
ESET-NOD32a variant of MSIL/Injector.NHA
APEXMalicious
AvastWin32:Malware-gen
KasperskyBackdoor.MSIL.NanoBot.hqj
AlibabaBackdoor:MSIL/NanoBot.1b9c5cc2
NANO-AntivirusTrojan.Win32.BotFAPM.erofgt
RisingBackdoor.NanoBot!8.28C (CLOUD)
Ad-AwareGen:Variant.Razy.699811
EmsisoftGen:Variant.Razy.699811 (B)
F-SecureHeuristic.HEUR/AGEN.1123275
DrWebTrojan.Inject2.56847
TrendMicroTROJ_GEN.R002C0OB421
McAfee-GW-EditionBehavesLike.Win32.Generic.gc
SophosML/PE-A + Mal/MSIL-PL
SentinelOneStatic AI – Malicious PE
JiangminBackdoor.MSIL.efnm
AviraHEUR/AGEN.1123275
Antiy-AVLTrojan/Win32.SGeneric
MicrosoftTrojan:MSIL/BitcoinMiner.A
GridinsoftTrojan.Win32.Downloader.oa
ArcabitTrojan.Razy.DAADA3
AhnLab-V3Win-Trojan/FCN.140610.X1385
ZoneAlarmBackdoor.MSIL.NanoBot.hqj
GDataGen:Variant.Razy.699811
CynetMalicious (score: 100)
Acronissuspicious
McAfeePWSZbot-FAPM!7F8AAA036691
MAXmalware (ai score=84)
MalwarebytesMalware.AI.1746171630
PandaTrj/GdSda.A
TrendMicro-HouseCallTROJ_GEN.R002C0OB421
TencentMsil.Backdoor.Nanobot.Alje
YandexBackdoor.NanoBot!8nzi6TYBWjE
IkarusTrojan.MSIL.Injector
eGambitUnsafe.AI_Score_96%
FortinetMSIL/Injector.NIM!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_100% (W)

How to remove Trojan:MSIL/BitcoinMiner.A?

Trojan:MSIL/BitcoinMiner.A 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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