Categories: Trojan

Trojan:Win32/Ymacco.AA4B (file analysis)

The Trojan:Win32/Ymacco.AA4B 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.AA4B virus can do?

  • Executable code extraction
  • Presents an Authenticode digital signature
  • Creates RWX memory
  • Detected script timer window indicative of sleep style evasion
  • A process attempted to delay the analysis task.
  • Reads data out of its own binary image
  • A process created a hidden window
  • The binary likely contains encrypted or compressed data.
  • A scripting utility was executed
  • Uses Windows utilities for basic functionality
  • Anomalous binary characteristics

How to determine Trojan:Win32/Ymacco.AA4B?


File Info:

crc32: 6FD997E9md5: 5d9b726cdc7455d58b5e6771d1316f55name: hrd777.exesha1: f803ca6b3986813dbbb700794fc2aba02d93a5c7sha256: 4b765f642a3ce92002bb7915117ff41b93af157f88e85f17d567f20450cad78esha512: 4a7ebdded0ad97031011a5bbb2c98440eab4cc66309f518b128e6a6773c9add54767c36f4d915faf0e52e10b69f9441af9d3edf46a9d4a9cb1620565d7bd34c1ssdeep: 49152:94KfMvMWbRHRGpUE0FXkqIICx73OPSGJBvwMhCgaDliJ1a:hUvMWbypUAaSGcWCgKYvatype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: all rights reservedFileVersion: 4.9.0.9CompanyName: Firstline1-Movie-Mega-Pack-5-Joy-Ride-3 mayLegalTrademarks: Firstline1-Movie-Mega-Pack-5-Joy-Ride-3 company all rightsComments: Firstline1-Movie-Mega-Pack-5-Joy-Ride-3 mayProductName: Firstline1-Movie-Mega-Pack-5-Joy-Ride-3Translation: 0x0409 0x04e4

Trojan:Win32/Ymacco.AA4B also known as:

Bkav HW32.Packed.
MicroWorld-eScan Trojan.GenericKD.43299181
CAT-QuickHeal TrojanDropper.NSIS
Qihoo-360 Generic/Trojan.Dropper.e13
ALYac Trojan.GenericKD.43299181
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
AegisLab Trojan.NSIS.Agent.b!c
Sangfor Malware
K7AntiVirus Trojan ( 005691581 )
BitDefender Trojan.GenericKD.43299181
K7GW Trojan ( 005691581 )
Arcabit Trojan.Generic.D294B16D
Cyren W32/Trojan.DAZU-9019
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of NSIS/Agent.NCM
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Dropper.Temonde-6571898-0
Kaspersky HEUR:Trojan-Dropper.NSIS.Agent.gen
Alibaba Trojan:Win32/Alien.8abf7350
Rising Trojan.ScriptRunner/NSIS!1.BD6D (CLASSIC)
Ad-Aware Trojan.GenericKD.43299181
Emsisoft Trojan.GenericKD.43299181 (B)
F-Secure Trojan.TR/Redcap.ycxnt
Zillya Trojan.Alien.Win32.763
TrendMicro TROJ_GEN.R011C0GFH20
FireEye Trojan.GenericKD.43299181
Sophos Mal/Generic-S
Avira TR/Redcap.ycxnt
Endgame malicious (high confidence)
Microsoft Trojan:Win32/Ymacco.AA4B
ZoneAlarm HEUR:Trojan.Win32.Alien.gen
McAfee Artemis!5D9B726CDC74
MAX malware (ai score=88)
VBA32 TrojanDropper.Agent
Malwarebytes Trojan.Dropper
Panda Trj/CI.A
TrendMicro-HouseCall TROJ_GEN.R011C0GFH20
Tencent Win32.Trojan.Falsesign.Szcd
GData Trojan.GenericKD.43299181
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Trojan:Win32/Ymacco.AA4B?

  • 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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