Categories: Trojan

Trojan:Win32/Ranumbot.GR!MTB removal guide

The Trojan:Win32/Ranumbot.GR!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 Trojan:Win32/Ranumbot.GR!MTB virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Behavioural detection: Executable code extraction – unpacking
  • At least one process apparently crashed during execution
  • Dynamic (imported) function loading detected
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • CAPE extracted potentially suspicious content
  • Unconventionial language used in binary resources: Thai
  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Detects Sandboxie through the presence of a library
  • Detects Avast Antivirus through the presence of a library
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization
  • Anomalous binary characteristics

How to determine Trojan:Win32/Ranumbot.GR!MTB?


File Info:

name: 5C9C31BBF02D47AD3E58.mlwpath: /opt/CAPEv2/storage/binaries/81e41cfc4169b89c62a85abc608e76f278486c21a6e23bd58f60349c4725323acrc32: 797E1A85md5: 5c9c31bbf02d47ad3e58384d090c86b7sha1: 679f99fc1ebe4834e69f41d43d86cd9269ef7667sha256: 81e41cfc4169b89c62a85abc608e76f278486c21a6e23bd58f60349c4725323asha512: c9edd51376dfeafa4afeb5a7010a17e23568e42d26312460f8a86548bcfe20c2408983fbee9e1fbbaa77ad042a6f832b2a88d8d41c6b560cea4453fd9c0f7bf1ssdeep: 3072:v4udVof0Ca8aWoNL4RNLutCVrg9CVSOdTSlJDNAO:9dGxacoNL4zutGhnTStype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T142049D00B5D1C473E19A0A700470CAA58936FCB65F39A5CB7B947F7A5F362D18A7A383sha3_384: e39d720b7e2c2ab79ebfd515c9686481f2cd6410983f6aca64200fd18c577c1d2947c21fd1b09962c884dc0a4caf8d4bep_bytes: e889730000e979feffff8bff558bec8btimestamp: 2020-10-02 08:00:37

Version Info:

FileVerus: 1.0.2.18ProductVersys: 1.5.28.29Translations: 0x0126 0x03de

Trojan:Win32/Ranumbot.GR!MTB also known as:

Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader38.19542
MicroWorld-eScan Trojan.Agent.FEZO
FireEye Generic.mg.5c9c31bbf02d47ad
ALYac Trojan.Agent.FEZO
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
Cybereason malicious.bf02d4
BitDefenderTheta AI:Packer.7E12AF2821
Cyren W32/Glupteba.R.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/GenKryptik.FDPL
TrendMicro-HouseCall Backdoor.Win32.GLUPTEBA.SMTH.hp
Cynet Malicious (score: 100)
BitDefender Trojan.Agent.FEZO
NANO-Antivirus Trojan.Win32.Bingoml.itiotc
Avast Win32:BotX-gen [Trj]
Tencent Malware.Win32.Gencirc.10cf8f45
Ad-Aware Trojan.Agent.FEZO
Sophos ML/PE-A + Troj/Agent-BGWM
Zillya Trojan.Kryptik.Win32.3009983
TrendMicro Backdoor.Win32.GLUPTEBA.SMTH.hp
McAfee-GW-Edition BehavesLike.Win32.Vopak.ch
Emsisoft Trojan.Agent.FEZO (B)
Ikarus Trojan-Banker.UrSnif
GData Trojan.Agent.FEZO
Jiangmin Trojan.Agent.dfny
eGambit Unsafe.AI_Score_85%
Avira HEUR/AGEN.1136373
Arcabit Trojan.Agent.FEZO
Microsoft Trojan:Win32/Ranumbot.GR!MTB
AhnLab-V3 Trojan/Win.Glupteba.R414166
Acronis suspicious
McAfee Packed-GDK!5C9C31BBF02D
MAX malware (ai score=88)
VBA32 Malware-Cryptor.Azorult.gen
Malwarebytes Trojan.MalPack.GS
APEX Malicious
Rising Malware.Obscure/Heur!1.9E03 (CLASSIC)
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Kryptik.HKGD!tr
AVG Win32:BotX-gen [Trj]
CrowdStrike win/malicious_confidence_100% (D)

How to remove Trojan:Win32/Ranumbot.GR!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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