Categories: Ransom

Ransom:Win64/Proton.MB!MTB malicious file

The Ransom:Win64/Proton.MB!MTB 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 Ransom:Win64/Proton.MB!MTB virus can do?

  • A file was accessed within the Public folder.
  • Uses Windows utilities for basic functionality
  • Modifies host OEM information
  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • The executable is compressed using UPX
  • Authenticode signature is invalid
  • Checks for the presence of known devices from debuggers and forensic tools
  • Checks for the presence of known devices from debuggers and forensic tools
  • Creates a copy of itself
  • Uses suspicious command line tools or Windows utilities
  • Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine Ransom:Win64/Proton.MB!MTB?


File Info:

name: C859B42EE9C3D407DF25.mlwpath: /opt/CAPEv2/storage/binaries/3a86c8c0e96ef1984177c41c87dec40fe0df3fe71b8ef951063312010c86c9bbcrc32: 3E452CEEmd5: c859b42ee9c3d407df255bb423f5a377sha1: 6458ae25f03535a79ee47bc7c3265031885b5e0csha256: 3a86c8c0e96ef1984177c41c87dec40fe0df3fe71b8ef951063312010c86c9bbsha512: 4ef8fbeff9fe6548a1008d326527e48d0f87b5df79b9729a05b15bd739bdd77ecd48a7c5dd32247dc96cab2e6079eef7f27e58da54717dc88d080571ba81aa7assdeep: 6144:2JgXOXlQ5nP8jX6PPqFBtXdy+2TtZdbyQmG1Z0/rb4qGdckO+u8:2uSoPK6Azt25bBi/3Ydck68type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T17D64127F28CF5C04EB8F38B9838D4E3145875413752BA2C8EE09B7ED063D5D6A160E96sha3_384: 05c8b4478efe758aafc820c85159962d0f3205dff56eddbc6fa65f4d14e4c7cfdcf909d5bb447de9504c9e28f31db58fep_bytes: 60be000049008dbe0010f7ffc787f8cctimestamp: 2023-04-06 17:02:28

Version Info:

0: [No Data]

Ransom:Win64/Proton.MB!MTB also known as:

Bkav W32.AIDetectMalware
Lionic Trojan.Win32.Generic.4!c
MicroWorld-eScan Gen:Variant.Lazy.335837
FireEye Generic.mg.c859b42ee9c3d407
CAT-QuickHeal Ransom.Proton.S30657843
ALYac Gen:Variant.Lazy.335837
Cylance unsafe
Zillya Trojan.Generic.Win32.1770286
Sangfor Ransom.Win32.Proton.V9ir
K7AntiVirus Trojan ( 005a45241 )
Alibaba Ransom:Win32/Conti.c663de58
K7GW Trojan ( 005a45241 )
Cybereason malicious.5f0353
BitDefenderTheta Gen:NN.ZexaF.36350.smGfaClfHVii
Cyren W32/ABRansom.MFHW-7333
Symantec Ransom.Proton!g1
Elastic malicious (moderate confidence)
ESET-NOD32 a variant of Win32/Agent_AGen.APM
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky HEUR:Trojan-Ransom.Win32.Generic
BitDefender Gen:Variant.Lazy.335837
NANO-Antivirus Trojan.Win32.Nekark.jxggkh
Avast Win32:RansomX-gen [Ransom]
Tencent Malware.Win32.Gencirc.10bf0733
Emsisoft Gen:Variant.Lazy.335837 (B)
F-Secure Heuristic.HEUR/AGEN.1314822
DrWeb Trojan.MulDrop22.28490
VIPRE Gen:Variant.Lazy.335837
TrendMicro Ransom_Conti.R002C0DFT23
McAfee-GW-Edition BehavesLike.Win32.Kudj.fc
Trapmine malicious.high.ml.score
Sophos Mal/Generic-S
Ikarus Trojan.Win32.Agent
GData Gen:Variant.Lazy.335837
Jiangmin Trojan.Generic.hraux
Avira HEUR/AGEN.1314822
MAX malware (ai score=82)
Antiy-AVL Trojan[Ransom]/Win32.Conti
Arcabit Trojan.Lazy.D51FDD
ZoneAlarm HEUR:Trojan-Ransom.Win32.Generic
Microsoft Ransom:Win64/Proton.MB!MTB
Google Detected
AhnLab-V3 Trojan/Win.Generic.C5419305
Acronis suspicious
McAfee Artemis!C859B42EE9C3
VBA32 Trojan.DelShad
Malwarebytes Ransom.Proton
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom_Conti.R002C0DFT23
Rising Ransom.Proton!8.17FEF (TFE:5:s4yx2AQf8ZS)
SentinelOne Static AI – Suspicious PE
Fortinet W32/Agent_AGen.APM!tr.ransom
AVG Win32:RansomX-gen [Ransom]
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_100% (W)

How to remove Ransom:Win64/Proton.MB!MTB?

  • 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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