Malware

What is “Doina.36203 (B)”?

Malware Removal

The Doina.36203 (B) 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 Doina.36203 (B) virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • At least one process apparently crashed during execution
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Dynamic (imported) function loading detected
  • Starts servers listening on 127.0.0.1:0
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality
  • Uses Windows utilities for basic functionality
  • Deletes its original binary from disk
  • Installs itself for autorun at Windows startup
  • Uses suspicious command line tools or Windows utilities

How to determine Doina.36203 (B)?


File Info:

name: 6718CDED2D6FB8A1C9C4.mlw
path: /opt/CAPEv2/storage/binaries/a349b6944aa1a670aaba4d7d4bdbcfec11c52e3495c5d70ad8b739cc3b41167c
crc32: 52C548E3
md5: 6718cded2d6fb8a1c9c485a74c577b2c
sha1: 8e1a64cb2faae3537a5df9fa0b7c90335c4d039e
sha256: a349b6944aa1a670aaba4d7d4bdbcfec11c52e3495c5d70ad8b739cc3b41167c
sha512: a521724d21a453267b986d8a1be3fb2ac57bb603c046411355ddc419ee0dbcc0bf5fd59b3ebdb2b6bb580eca41c65b91c3fa2763189ab650f49cef93110f6b79
ssdeep: 49152:KouKt5C+sxl7HVjiUNXCubxWv54ORBgJuRxx7:Ko9HC+SMEBb
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1F2C55B11FB405019FAF302FA55FE216D993CB9E04B68A0C391C469FE86296F07D3AB57
sha3_384: b94a2f36d635bca2fbcfb6a3647af44d46181a68ce8176b8ff2b403c8e122cf9a6e1eb373553dd3cba4e2fff2b3d1593
ep_bytes: e9a12e1100e9cca51400e987f90c00e9
timestamp: 2022-05-08 08:05:52

Version Info:

0: [No Data]

Doina.36203 (B) also known as:

BkavW32.AIDetect.malware2
MicroWorld-eScanGen:Variant.Doina.36203
BitDefenderGen:Variant.Doina.36203
Elasticmalicious (high confidence)
APEXMalicious
Ad-AwareGen:Variant.Doina.36203
EmsisoftGen:Variant.Doina.36203 (B)
BitDefenderThetaGen:NN.ZexaF.34638.AQW@a4QSlSbi
FireEyeGen:Variant.Doina.36203
GDataGen:Variant.Doina.36203
MAXmalware (ai score=85)
ArcabitTrojan.Doina.D8D6B
MicrosoftTrojan:Win32/Sabsik.FL.B!ml
CynetMalicious (score: 100)
ALYacGen:Variant.Doina.36203
RisingTrojan.Generic@AI.85 (RDMK:cmRtazqSzLTuvp8p6J6Df5WluOBj)
MaxSecureTrojan.Malware.300983.susgen

How to remove Doina.36203 (B)?

Doina.36203 (B) removal tool
  • 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.

About the author

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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