Categories: Trojan

Trojan:Win32/Ymacco.AA4C removal instruction

The Trojan:Win32/Ymacco.AA4C 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/Ymacco.AA4C virus can do?

  • Executable code extraction
  • Creates RWX memory
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config
  • Network activity detected but not expressed in API logs

How to determine Trojan:Win32/Ymacco.AA4C?


File Info:

crc32: 914C1631md5: 268b4196e8062d4e5f9c6d46303c3ffdname: tmp_pcqjw8gsha1: 8a33dca6bc3a6b680d7197d5e21d16a99d34e127sha256: 4c110b9bbfb0987072ab05e9328eb96377bebd0b8e3c4cdfd8e3c1c61ba61c66sha512: bace06fc8b376f3ff0a4773cf4bff66fffccf9001c6a6c1981155ec29cd95604b7597aa98e3b6fe7ea7c1ce997011d3308f1058b35b0e5556b8f6f6139911fb2ssdeep: 24576:AyITjLox0UG6+Dn302pqa5ugHd+Xfyze9L28eoSg1vpADshONKNi:Ay2u0U3i302pcgHd+X6z7wvpiptype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: FileVersion: CompanyName: DRx415x410x41c Comments: This installation was built with Inno Setup.ProductName: DRx415x410x41c ProductVersion: 7.45 FileDescription: DRx415x410x41c Setup Translation: 0x0000 0x04b0

Trojan:Win32/Ymacco.AA4C also known as:

MicroWorld-eScan Trojan.GenericKD.34058890
FireEye Trojan.GenericKD.34058890
McAfee Artemis!268B4196E806
Cylance Unsafe
AegisLab Trojan.Multi.Generic.4!c
Sangfor Malware
K7AntiVirus Riskware ( 0040eff71 )
BitDefender Trojan.GenericKD.34058890
K7GW Riskware ( 0040eff71 )
CrowdStrike win/malicious_confidence_60% (W)
BitDefenderTheta Gen:NN.ZexaF.34130.oq0@ae3djJnG
Symantec SMG.Heur!gen
TrendMicro-HouseCall TROJ_GEN.R002H07FN20
Avast Win32:Malware-gen
GData Trojan.GenericKD.34058890
Kaspersky Trojan.Win32.Propagate.ofi
Tencent Win32.Trojan.Propagate.Hrfn
Sophos Mal/Generic-S
F-Secure Trojan.TR/AD.Dofoil.twbbb
Emsisoft Trojan.GenericKD.34058890 (B)
Ikarus Trojan.Dofoil
Jiangmin Trojan.Propagate.bwd
MaxSecure Trojan.Malware.300983.susgen
Avira TR/AD.Dofoil.twbbb
MAX malware (ai score=89)
Microsoft Trojan:Win32/Ymacco.AA4C
Arcabit Trojan.Generic.D207B28A
ZoneAlarm Trojan.Win32.Propagate.ofi
Malwarebytes Trojan.Propagate
APEX Malicious
ESET-NOD32 a variant of Generik.KEPKZTL
Fortinet W32/Propagate.OFI!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Trojan.e16

How to remove Trojan:Win32/Ymacco.AA4C?

  • 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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