Categories: Backdoor

What is “Backdoor:Win32/Ymacco.AA0A”?

The Backdoor:Win32/Ymacco.AA0A 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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Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
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What Backdoor:Win32/Ymacco.AA0A virus can do?

  • Dynamic (imported) function loading detected
  • CAPE extracted potentially suspicious content
  • .NET file is packed/obfuscated with Confuser
  • Authenticode signature is invalid

How to determine Backdoor:Win32/Ymacco.AA0A?


File Info:

name: 735119ECD0C24C12F21F.mlwpath: /opt/CAPEv2/storage/binaries/0a095835a2a3a3d1fd7bff3e0b207449ee8896dee5184e1da2642eec9328f84bcrc32: 57DA0C3Cmd5: 735119ecd0c24c12f21fcd3df399dc7fsha1: 4e587f71b6c11f2eda5f3850e3aa3a1bee6c5219sha256: 0a095835a2a3a3d1fd7bff3e0b207449ee8896dee5184e1da2642eec9328f84bsha512: 782981cbb7a2ab995df8c4e4f974f94143cd8e55c298eaccbd619cf37e1a645a105821897a766a9d439390bdfbd6ee40845dc75c4451a3f3e034d77aa34a68e8ssdeep: 3072:1rtFwNJpG3Cllni6V7WBjfhQH4VchSTHZ7FZ3L/NKc:ZXwNJpGS+hQH4VchSTHZ7FZ3L/NKtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T137D3779D766072DFC867C8B2DAA81C64EB6074BB531F8203A16315EDEA4D997CF140F2sha3_384: 99561e9fc055021dc273eef6f32f785857128a29ca67baa021ae79693995aff8764c89230f5d5fdbdfb519daa8aa2fdfep_bytes: ff250020400000000000000000000000timestamp: 2021-01-24 08:06:03

Version Info:

Translation: 0x0000 0x04b0Comments: Console Window HostsFileDescription: Console Window HostsFileVersion: 10.0.18326.1InternalName: conhost.exeLegalCopyright: © Microsoft Corporation. All right server...OriginalFilename: conhost.exeProductName: Microsoft ® Windows®Operating SystemProductVersion: 10.0.18326.1Assembly Version: 10.0.18326.1

Backdoor:Win32/Ymacco.AA0A also known as:

Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.36290957
FireEye Trojan.GenericKD.36290957
McAfee RDN/Generic.dx
Cylance Unsafe
Sangfor Backdoor.Win32.Ymacco.AA0A
Alibaba Trojan:Win32/Generic.e6295730
CrowdStrike win/malicious_confidence_60% (D)
Cyren W32/Trojan.KZYT-7262
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:Malware-gen
BitDefender Trojan.GenericKD.36290957
Ad-Aware Trojan.GenericKD.36290957
TrendMicro TROJ_GEN.R002C0PLG21
McAfee-GW-Edition RDN/Generic.dx
Emsisoft Trojan.GenericKD.36290957 (B)
Paloalto generic.ml
GData Trojan.GenericKD.36290957
Webroot W32.Malware.Gen
Gridinsoft Ransom.Win32.Bladabindi.sa
Arcabit Trojan.Generic.D229C18D
ViRobot Trojan.Win32.Z.Agent.131072.GQH
Microsoft Backdoor:Win32/Ymacco.AA0A
AhnLab-V3 Malware/Win32.RL_Generic.C4352523
BitDefenderTheta Gen:NN.ZemsilF.34114.im0@aGRhBrb
ALYac Trojan.GenericKD.36290957
MAX malware (ai score=100)
TrendMicro-HouseCall TROJ_GEN.R002C0PLG21
Rising Malware.Obfus/MSIL@AI.81 (RDM.MSIL:ZOk0qXM//dB+gVfHlMFhSw)
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.7175203.susgen
Fortinet PossibleThreat
AVG Win32:Malware-gen
Cybereason malicious.cd0c24
Panda Trj/GdSda.A

How to remove Backdoor:Win32/Ymacco.AA0A?

  • 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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