Categories: Malware

How to remove “Win32/CoinMiner.BUJ”?

The Win32/CoinMiner.BUJ 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 Win32/CoinMiner.BUJ virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Possible date expiration check, exits too soon after checking local time
  • Dynamic (imported) function loading detected
  • Performs HTTP requests potentially not found in PCAP.
  • Enumerates running processes
  • Expresses interest in specific running processes
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • CAPE extracted potentially suspicious content
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • A ping command was executed with the -n argument possibly to delay analysis
  • Uses Windows utilities for basic functionality
  • Uses Windows utilities for basic functionality
  • Deletes its original binary from disk
  • Behavior consistent with a dropper attempting to download the next stage.
  • Installs itself for autorun at Windows startup
  • Installs itself for autorun at Windows startup
  • CAPE detected the mimikatz malware family
  • Creates a copy of itself
  • The sample wrote data to the system hosts file.
  • Collects information to fingerprint the system
  • Uses suspicious command line tools or Windows utilities

How to determine Win32/CoinMiner.BUJ?


File Info:

name: E150CBDE5E69C4453150.mlwpath: /opt/CAPEv2/storage/binaries/9f7dfbefcb1b1602feaca7cd66ff58161c162db063cbf40d9e87347fa3b55ac0crc32: 62ACB247md5: e150cbde5e69c44531502dc43186568fsha1: 244a4bd7f19f66190a0bbe2b45eb58312ea091desha256: 9f7dfbefcb1b1602feaca7cd66ff58161c162db063cbf40d9e87347fa3b55ac0sha512: 05a6acd80878405ef96c6bacb0c27f36e80c7a9c199689b11a4105ccb3a83866df0fc2cbe6b2eb28f2e3aed509fc97135c5dc23f4a40e939e1a9bb90a1ec5fadssdeep: 196608:ylTPemknGzwHdOgEPHd9BYX/nivPlTXTYP:a3jz0E52/iv1type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T10A960222B65084B1D1CA017055FB5B37AAB976190B24F5CFB79CCD6A2F32390EE36319sha3_384: 9674041a9f43552cc3870df6cecad3b19a66f9684d579ba56a2ab06855e0399c4bbb16de4215049d00b5bfa8bc06e9b8ep_bytes: 558bec6aff685057a4006814bf490064timestamp: 2019-06-26 19:51:23

Version Info:

0: [No Data]

Win32/CoinMiner.BUJ also known as:

Lionic Trojan.Win32.Generic.lx0C
Elastic malicious (high confidence)
CAT-QuickHeal Trojanpws.Qqpass.16543
McAfee GenericRXHV-KH!E150CBDE5E69
Cylance Unsafe
Zillya Trojan.EquationDrug.Win32.573
Sangfor Miner.Win32.Zusy_495.se2
K7AntiVirus Trojan ( 005456291 )
Alibaba Trojan:Win32/hognoob.89
K7GW Trojan ( 005456291 )
CrowdStrike win/malicious_confidence_100% (W)
VirIT Trojan.Win32.StartPage1.DICI
Cyren W32/QQhelper.C.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/CoinMiner.BUJ
APEX Malicious
Paloalto generic.ml
Kaspersky HEUR:Trojan.Win32.EquationDrug.gen
NANO-Antivirus Trojan.Win32.EquationDrug.gaeevv
Avast Win32:Malware-gen
Tencent Win32.Trojan.Coinminer.Ahns
Ad-Aware Gen:Variant.Zusy.300063
Sophos ML/PE-A + Troj/Agent-BBZA
Comodo TrojWare.Win32.CoinMiner.VA@8bdt5z
DrWeb Trojan.StartPage1.58196
TrendMicro TROJ_GEN.R002C0DB622
Emsisoft Gen:Variant.Zusy.300063 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Exploit.MS17-010.cf
Avira HEUR/AGEN.1230477
Gridinsoft Ransom.Win32.Miner.sa
AhnLab-V3 Trojan/Win32.EquationDrug.C3319046
Acronis suspicious
VBA32 BScope.Trojan.Wacatac
MAX malware (ai score=83)
Malwarebytes Malware.AI.1562354431
Rising Downloader.Agent!1.B837 (CLOUD)
Yandex Trojan.GenAsa!4o4ccnD88q0
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/CoinMiner.65CA!tr
AVG Win32:Malware-gen
Panda Trj/Genetic.gen

How to remove Win32/CoinMiner.BUJ?

  • 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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