Categories: Trojan

What is “Trojan:Win32/Ymacco.AAC0”?

The Trojan:Win32/Ymacco.AAC0 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.AAC0 virus can do?

  • Executable code extraction
  • Creates RWX memory
  • Attempts to mimic the file extension of a PDF document by having ‘pdf’ in the file name.
  • Network activity detected but not expressed in API logs
  • Anomalous binary characteristics

How to determine Trojan:Win32/Ymacco.AAC0?


File Info:

crc32: 1CCB844Fmd5: d7bd008c1be9e75b0732b38bf08d5fe4name: Order Inquiry.pdf.exesha1: 2e1eba40da2c7667bfcbcb1b01e2766a74ddebd2sha256: c004bcb9a1b88873e36495a529c5e4614040d66a66880e34ab0d158ad09623a8sha512: 42e52197a2293f8955113a0321b4e5e7bc57f5068ded9251566e0b5ecd97a8e19a66def458d9813c837ddd848f096fbf42c013443fb7928e6361cca4b1a3f8acssdeep: 384:8cMndsly7cdah19txrnpY0lyY7o4f09LS2NGdX6990P9wsa9Zl4r7I:8FdZAOzpY0lho4MxDNOO9wwH9X27type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0409 0x04b0InternalName: Perimedullary1FileVersion: 1.00CompanyName: 37signalsProductName: Lydtryk3ProductVersion: 1.00OriginalFilename: Perimedullary1.exe

Trojan:Win32/Ymacco.AAC0 also known as:

Bkav W32.AIDetectVM.malware2
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Midie.75786
FireEye Generic.mg.d7bd008c1be9e75b
Qihoo-360 Generic/Trojan.cd5
ALYac Gen:Variant.Midie.75786
Malwarebytes Trojan.GuLoader
VIPRE Trojan.Win32.Generic!BT
CrowdStrike win/malicious_confidence_90% (W)
BitDefender Gen:Variant.Midie.75786
K7GW Trojan ( 005709af1 )
K7AntiVirus Trojan ( 005709af1 )
TrendMicro Trojan.Win32.WACATAC.THJOHBO
BitDefenderTheta Gen:NN.ZevbaF.34298.em0@aSWO3qoi
Cyren W32/Bulz.F.gen!Eldorado
Symantec Trojan.Gen.2
APEX Malicious
Paloalto generic.ml
Kaspersky Trojan.Win32.Vebzenpak.aaxs
Alibaba Trojan:Win32/Vebzenpak.eeb060d8
AegisLab Trojan.Multi.Generic.4!c
Ad-Aware Gen:Variant.Midie.75786
Emsisoft Gen:Variant.Midie.75786 (B)
Comodo Malware@#mvhitv3lob5z
F-Secure Trojan.TR/Kryptik.dkqgs
Invincea Mal/Generic-S
McAfee-GW-Edition BehavesLike.Win32.Generic.kt
Sophos Mal/Generic-S
Ikarus Trojan.VB.Crypt
Jiangmin Trojan.Vebzenpak.hsk
Webroot W32.Malware.Gen
Avira TR/Kryptik.dkqgs
MAX malware (ai score=99)
Antiy-AVL Trojan/Win32.GenKryptik
Microsoft Trojan:Win32/Ymacco.AAC0
Arcabit Trojan.Midie.D1280A
ZoneAlarm Trojan.Win32.Vebzenpak.aaxs
GData Win32.Trojan-Downloader.GuLoader.11JT4P
Cynet Malicious (score: 85)
McAfee PWS-FCQZ!D7BD008C1BE9
VBA32 TScope.Trojan.VB
Cylance Unsafe
ESET-NOD32 a variant of Win32/GenKryptik.ETSA
TrendMicro-HouseCall Trojan.Win32.WACATAC.THJOHBO
Rising Downloader.Guloader!1.CD1C (CLASSIC)
SentinelOne DFI – Malicious PE
eGambit Unsafe.AI_Score_99%
Fortinet W32/Injector.ENNP!tr
AVG Win32:MalwareX-gen [Trj]
Panda Trj/GdSda.A
MaxSecure Trojan.Malware.107817037.susgen

How to remove Trojan:Win32/Ymacco.AAC0?

  • 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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