Categories: Trojan

About “Trojan:Win32/Obfuscator.RB!MTB” infection

The Trojan:Win32/Obfuscator.RB!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/Obfuscator.RB!MTB virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Performs HTTP requests potentially not found in PCAP.
  • CAPE extracted potentially suspicious content
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality
  • Attempts to modify proxy settings
  • Deletes executed files from disk
  • Uses suspicious command line tools or Windows utilities

How to determine Trojan:Win32/Obfuscator.RB!MTB?


File Info:

name: 01E222957718A13FAD9B.mlwpath: /opt/CAPEv2/storage/binaries/0c146039c97ee376e46662f545294c97c4a7ba4e3e27d0bd2a6d63eb324bc505crc32: 6CF0EA1Fmd5: 01e222957718a13fad9bf2d1849595ccsha1: 565cbec3983515f0ce975ddcb1506395cbe2d0d3sha256: 0c146039c97ee376e46662f545294c97c4a7ba4e3e27d0bd2a6d63eb324bc505sha512: a60706fcb94b15e10410eb64fcb64c3644b29f24ad4331f7ca21dff63411e50743f16cc20ccf37363361a9bb3750f288aac40ceb4000e6465f726905ea5dca9cssdeep: 3072:FG5rc1rmz4ak+8JfTctQOvh4ss7e7OzgYEUb/6r8TVl4p1iCtkJU:F20ak53Ovmssp3EUjQe4p1iCtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T10344AE4276D1D9B1EA67063189698AA01E7EFD714F357A8733442B0FA9703E1A633F13sha3_384: cd44b85ba15d30be098f3d9cb259ef49a3977c3a540e851462d36edd87db11d0530b7fd23672bfde4115cde87b058e66ep_bytes: e89c470000e97ffeffffcccccccccc57timestamp: 2019-04-14 07:28:14

Version Info:

0: [No Data]

Trojan:Win32/Obfuscator.RB!MTB also known as:

Bkav W32.AIDetect.malware1
Lionic Trojan.Win32.Zenpak.4!c
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Ser.Mikey.2088
McAfee Packed-GBN!01E222957718
Cylance Unsafe
VIPRE Gen:Variant.Ser.Mikey.2088
Sangfor Trojan.Win32.Save.a
K7AntiVirus Ransomware ( 005686901 )
BitDefender Gen:Variant.Ser.Mikey.2088
K7GW Ransomware ( 005686901 )
Cybereason malicious.57718a
Cyren W32/Kryptik.BZV.gen!Eldorado
Symantec ML.Attribute.HighConfidence
tehtris Generic.Malware
ESET-NOD32 a variant of Win32/Kryptik.HDXH
Cynet Malicious (score: 100)
APEX Malicious
Paloalto generic.ml
ClamAV Win.Packed.Generickdz-8528045-0
Kaspersky HEUR:Trojan.Win32.Zenpak.pef
Alibaba Malware:Win32/km_24ad5.None
NANO-Antivirus Trojan.Win32.Kryptik.hlsxra
Rising Trojan.Kryptik!1.C783 (CLASSIC)
Ad-Aware Gen:Variant.Ser.Mikey.2088
Emsisoft Gen:Variant.Ser.Mikey.2088 (B)
DrWeb Trojan.MulDrop4.25343
McAfee-GW-Edition BehavesLike.Win32.Emotet.dh
Trapmine malicious.moderate.ml.score
FireEye Generic.mg.01e222957718a13f
Sophos Mal/Generic-S
Avira HEUR/AGEN.1228643
MAX malware (ai score=87)
Antiy-AVL Trojan/Generic.ASMalwS.61DD
Microsoft Trojan:Win32/Obfuscator.RB!MTB
SUPERAntiSpyware Trojan.Agent/Gen-Chapak
ZoneAlarm HEUR:Trojan.Win32.Zenpak.pef
GData Gen:Variant.Ser.Mikey.2088
Google Detected
AhnLab-V3 Trojan/Win32.MalPe.R339868
ALYac Gen:Variant.Ser.Mikey.2088
VBA32 BScope.Trojan.Wacatac
Malwarebytes Trojan.Glupteba
Panda Trj/GdSda.A
Tencent Win32.Trojan.Zenpak.Bdhl
Ikarus Trojan.Win32.Danabot
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Kryptik.HDZQ!tr
BitDefenderTheta Gen:NN.ZexaF.34698.qqW@aK9Stmme
AVG Win32:CoinminerX-gen [Trj]
Avast Win32:CoinminerX-gen [Trj]
CrowdStrike win/malicious_confidence_100% (W)

How to remove Trojan:Win32/Obfuscator.RB!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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