Categories: Malware

What is “Doina.36203 (B)”?

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.mlwpath: /opt/CAPEv2/storage/binaries/a349b6944aa1a670aaba4d7d4bdbcfec11c52e3495c5d70ad8b739cc3b41167ccrc32: 52C548E3md5: 6718cded2d6fb8a1c9c485a74c577b2csha1: 8e1a64cb2faae3537a5df9fa0b7c90335c4d039esha256: a349b6944aa1a670aaba4d7d4bdbcfec11c52e3495c5d70ad8b739cc3b41167csha512: a521724d21a453267b986d8a1be3fb2ac57bb603c046411355ddc419ee0dbcc0bf5fd59b3ebdb2b6bb580eca41c65b91c3fa2763189ab650f49cef93110f6b79ssdeep: 49152:KouKt5C+sxl7HVjiUNXCubxWv54ORBgJuRxx7:Ko9HC+SMEBbtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1F2C55B11FB405019FAF302FA55FE216D993CB9E04B68A0C391C469FE86296F07D3AB57sha3_384: b94a2f36d635bca2fbcfb6a3647af44d46181a68ce8176b8ff2b403c8e122cf9a6e1eb373553dd3cba4e2fff2b3d1593ep_bytes: e9a12e1100e9cca51400e987f90c00e9timestamp: 2022-05-08 08:05:52

Version Info:

0: [No Data]

Doina.36203 (B) also known as:

Bkav W32.AIDetect.malware2
MicroWorld-eScan Gen:Variant.Doina.36203
BitDefender Gen:Variant.Doina.36203
Elastic malicious (high confidence)
APEX Malicious
Ad-Aware Gen:Variant.Doina.36203
Emsisoft Gen:Variant.Doina.36203 (B)
BitDefenderTheta Gen:NN.ZexaF.34638.AQW@a4QSlSbi
FireEye Gen:Variant.Doina.36203
GData Gen:Variant.Doina.36203
MAX malware (ai score=85)
Arcabit Trojan.Doina.D8D6B
Microsoft Trojan:Win32/Sabsik.FL.B!ml
Cynet Malicious (score: 100)
ALYac Gen:Variant.Doina.36203
Rising Trojan.Generic@AI.85 (RDMK:cmRtazqSzLTuvp8p6J6Df5WluOBj)
MaxSecure Trojan.Malware.300983.susgen

How to remove Doina.36203 (B)?

  • 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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