Categories: Trojan

Trojan.Heur.5mNfrfA5ltpib removal guide

The Trojan.Heur.5mNfrfA5ltpib 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.Heur.5mNfrfA5ltpib virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Dynamic (imported) function loading detected
  • Expresses interest in specific running processes
  • 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
  • Installs itself for autorun at Windows startup
  • Attempts to disable or modify Explorer Folder Options
  • Attempts to disable System Restore
  • Attempts to modify Explorer settings to prevent file extensions from being displayed
  • Attempts to modify Explorer settings to prevent hidden files from being displayed

How to determine Trojan.Heur.5mNfrfA5ltpib?


File Info:

name: 84F99644001B48F49AED.mlwpath: /opt/CAPEv2/storage/binaries/cef75ef2b6956e8acddc311d504beedc7e6e9b861d0bfee955723eee6af3e529crc32: 40F7664Amd5: 84f99644001b48f49aed864cc13dd79bsha1: b645a3ef52192478fa3f063633c4953433b6337dsha256: cef75ef2b6956e8acddc311d504beedc7e6e9b861d0bfee955723eee6af3e529sha512: 4c7e3038a15b696a84636ae787ecac931016757dd7389bf002ca57c070da48561216dd694f0927306d556371906c20b482a83f50ab72b9bd79773e9db33d5514ssdeep: 6144:mjwj0jwjwjbjwj8jwjTjrjwjzjwjvjwj2jwjijwjR:ytype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T17F159D037B17E019F624C9395B0641AD63857EA18E037E6BA2253E7B3E371C62E57732sha3_384: c7f257126a78d8ca8fde8895ffbb68a7b9ca347df76b0d3d02ae952bfcb6e6e22104a84491ae1d4e038e8f44c67092dcep_bytes: 60be007041008dbe00a0feff5783cdfftimestamp: 2006-07-15 11:26:47

Version Info:

Translation: 0x0409 0x04b0ProductName: 4k51k4FileVersion: 1.12.1985ProductVersion: 1.12.1985InternalName: 4K51K4OriginalFilename: 4K51K4.exe

Trojan.Heur.5mNfrfA5ltpib also known as:

Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Trojan.Heur.5mNfrfA5ltpib
FireEye Generic.mg.84f99644001b48f4
CAT-QuickHeal Worm.Ludbaruma.A3
McAfee W32/YahLover.worm.gen.b
Cylance Unsafe
Zillya Worm.Brontok.Win32.1192
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 0040f6141 )
K7GW Trojan ( 0040f6141 )
CrowdStrike win/malicious_confidence_100% (D)
Baidu Win32.Worm.VB.k
Cyren W32/A-b40369a2!Eldorado
Symantec Trojan Horse
ESET-NOD32 a variant of Win32/VB.ET
APEX Malicious
ClamAV Legacy.Trojan.Agent-1388589
Kaspersky Email-Worm.Win32.Brontok.w
BitDefender Gen:Trojan.Heur.5mNfrfA5ltpib
NANO-Antivirus Trojan.Win32.Brontok.eultyo
SUPERAntiSpyware Worm.Brontok
Avast Win32:Brontok-BW [Wrm]
Tencent Worm.Win32.Brontok.d
Ad-Aware Gen:Trojan.Heur.5mNfrfA5ltpib
Emsisoft Gen:Trojan.Heur.5mNfrfA5ltpib (B)
Comodo TrojWare.Win32.Regrun.Q@1gs3xh
DrWeb Win32.HLLM.Generic.411
VIPRE Worm.Win32.Ludbaruma.a (v)
TrendMicro WORM_BRONTOK.W
McAfee-GW-Edition BehavesLike.Win32.Generic.dh
Sophos ML/PE-A + Mal/VB-F
Ikarus Trojan.Win32.KillAV
GData Gen:Trojan.Heur.5mNfrfA5ltpib
Jiangmin Worm/Brontok.kd
Avira WORM/Brontok.W.2
MAX malware (ai score=86)
Antiy-AVL Trojan/Generic.ASMalwS.9652B5
ViRobot I-Worm.Win32.A.Brontok.93802[UPX]
Microsoft Trojan:Win32/Sabsik.FL.B!ml
Cynet Malicious (score: 100)
AhnLab-V3 Worm/Win32.VB.R42952
BitDefenderTheta AI:Packer.C57B7DD91D
ALYac Gen:Trojan.Heur.5mNfrfA5ltpib
VBA32 Worm.Brontok
Malwarebytes Worm.Brontok
TrendMicro-HouseCall WORM_BRONTOK.W
Rising Worm.VBInjectEx!1.99E6 (RDMK:cmRtazqGO6ZWCWyIryIocBP1AcPO)
Yandex I-Worm.Brontok!4gJwN60hfZM
SentinelOne Static AI – Malicious PE
eGambit Unsafe.AI_Score_95%
Fortinet W32/Brontok.W!worm
AVG Win32:Brontok-BW [Wrm]
Cybereason malicious.4001b4
Panda Trj/Vilsel.AF

How to remove Trojan.Heur.5mNfrfA5ltpib?

  • 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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