Categories: Trojan

Trojan:Win32/Formbook.RPR!MTB malicious file

The Trojan:Win32/Formbook.RPR!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/Formbook.RPR!MTB virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Behavioural detection: Executable code extraction – unpacking
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Possible date expiration check, exits too soon after checking local time
  • Dynamic (imported) function loading detected
  • Reads data out of its own binary image
  • A process created a hidden window
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality
  • Uses Windows utilities for basic functionality
  • Behavioural detection: Injection (inter-process)
  • Created a process from a suspicious location
  • CAPE detected the Formbook malware family
  • Uses suspicious command line tools or Windows utilities

How to determine Trojan:Win32/Formbook.RPR!MTB?


File Info:

name: EDF232202D7023ED5BD6.mlwpath: /opt/CAPEv2/storage/binaries/e4636e5b3cbce0a8f85ed24eb17ace8307110d1cf26f8180ee474dab89792115crc32: 118DC190md5: edf232202d7023ed5bd6458201bc6cbbsha1: 8b6c0cfcb450d41fa7e48c664ed2aaa8cc4fc2bfsha256: e4636e5b3cbce0a8f85ed24eb17ace8307110d1cf26f8180ee474dab89792115sha512: 3e33004e55487769b86faa9728ae406167bb93ad4f964d3be4f8926ec54364bdf129afb6af9781e21572698bdfdae34ec46c1acdd53ee4e671b07f5275e6f1a9ssdeep: 6144:D0YvWvUEENtbu+OwC4yJOIPnV7mf4PdmmiJVF6R30zaatzxh:Wv0u+OGWOgVNPdmm4zRftype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T18154129923E3CD63D8470537D8BF8E72E73BAB0881A1764B23545FB46D752D38D02692sha3_384: 187eff3591e76ad9f55757ff989e9af53c8c330f812798300ba2b76f8d019b933903afd0baa7d04635ec5dc43472d641ep_bytes: 81ec8001000053555633db57895c2418timestamp: 2007-06-08 21:48:38

Version Info:

0: [No Data]

Trojan:Win32/Formbook.RPR!MTB also known as:

Lionic Trojan.Win32.Noon.l!c
Elastic malicious (moderate confidence)
MicroWorld-eScan Trojan.GenericKD.39691764
FireEye Generic.mg.edf232202d7023ed
CAT-QuickHeal Trojanspy.Noon
McAfee Artemis!EDF232202D70
Cylance Unsafe
Sangfor Spyware.Win32.Noon.gen
K7AntiVirus Riskware ( 00584baa1 )
Alibaba TrojanSpy:Win32/Formbook.3dfa4637
K7GW Riskware ( 00584baa1 )
Cyren W32/Injector.AYB.gen!Eldorado
ESET-NOD32 a variant of Win32/Injector.ERRU
APEX Malicious
Paloalto generic.ml
Kaspersky HEUR:Trojan-Spy.Win32.Noon.gen
BitDefender Trojan.GenericKD.39691764
Avast Win32:InjectorX-gen [Trj]
Tencent Win32.Trojan-spy.Noon.Apwk
Ad-Aware Trojan.GenericKD.39691764
Emsisoft Trojan.GenericKD.39691764 (B)
Comodo Malware@#3azrkwgdmru2l
TrendMicro TROJ_GEN.R06CC0DET22
McAfee-GW-Edition BehavesLike.Win32.Dropper.dc
Trapmine malicious.high.ml.score
Sophos Mal/Generic-S
Ikarus Trojan-Spy.Agent
GData Win32.Trojan.PSE.1MA53XA
Webroot W32.Trojan.NSISX.Spy.Gen
Avira TR/AD.Swotter.tiwcb
Kingsoft Win32.Troj.Generic.jm.(kcloud)
Arcabit Trojan.Generic.D25DA5F4
ZoneAlarm HEUR:Trojan-Spy.Win32.Noon.gen
Microsoft Trojan:Win32/Formbook.RPR!MTB
Cynet Malicious (score: 99)
VBA32 Trojan.Wacatac
ALYac Trojan.GenericKD.39691764
MAX malware (ai score=88)
Malwarebytes Malware.AI.3868741200
TrendMicro-HouseCall TROJ_GEN.R06CC0DET22
Rising Trojan.Generic@AI.100 (RDML:IRuaCwZGSp+kVNlNtPeStw)
Yandex Trojan.Igent.bX37zV.7
Fortinet W32/Injector.ERRU!tr
BitDefenderTheta Gen:NN.ZexaCO.34712.luW@a0KPFlmi
AVG Win32:InjectorX-gen [Trj]
Panda Trj/CI.A
CrowdStrike win/malicious_confidence_90% (W)

How to remove Trojan:Win32/Formbook.RPR!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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