Categories: Trojan

Trojan:Win32/Ymacco.AB58 (file analysis)

The Trojan:Win32/Ymacco.AB58 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.AB58 virus can do?

  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Dynamic (imported) function loading detected
  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • The executable is compressed using UPX
  • Authenticode signature is invalid

How to determine Trojan:Win32/Ymacco.AB58?


File Info:

name: 3823E9C4FD34E4179724.mlwpath: /opt/CAPEv2/storage/binaries/58ce793eb76c1aa11e4e57aa379c1f3f9c0ef7b97f33c12db2621538613f8581crc32: DF4FC8C8md5: 3823e9c4fd34e4179724a9c373f6e48esha1: 53676bb1edda74cb3504da966b1d68496955247asha256: 58ce793eb76c1aa11e4e57aa379c1f3f9c0ef7b97f33c12db2621538613f8581sha512: 82bdafe9f743e5dcee0988d970bc60c505eb17b88e666efafb4cbb9ef1497a27ac52315510813e89d7378e0a4493b8f4561c288e9fd1aa67f6e81bd2985838d4ssdeep: 3072:MpdDpDDpZDpDDpiDpDDp3DpDDpiDpDDpZDpDDpiDpD:2dVDVZVDViVDV3VDViVDVZVDViVDtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1C3B38E43A5CCB576CB9B02372A94DA3811E82190D7484B02FBFD397ABFC6AD1358E355sha3_384: 800e9114d492f8d2be4c41be10435e4c1a29e72492737258d44feb05be0f8bab9e50ef31557d230be0006890e0ece2c0ep_bytes: 60be158040008dbeeb8fffff5783cdfftimestamp: 2016-03-01 22:44:44

Version Info:

0: [No Data]

Trojan:Win32/Ymacco.AB58 also known as:

Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb Trojan.Siggen15.22576
MicroWorld-eScan Trojan.Agent.EYLR
FireEye Generic.mg.3823e9c4fd34e417
McAfee Artemis!3823E9C4FD34
Cylance Unsafe
Zillya Trojan.Agent.Win32.2581166
Sangfor Suspicious.Win32.Save.a
K7AntiVirus Trojan ( 0058876d1 )
Alibaba Trojan:Win32/Kasidet.a099d1ba
K7GW Trojan ( 0058876d1 )
Cybereason malicious.4fd34e
Arcabit Trojan.Agent.EYLR
BitDefenderTheta Gen:NN.ZexaF.34084.hmJfaix7qjpi
Cyren W32/Agent.DOR.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Agent.ADMM
APEX Malicious
Avast Win32:Malware-gen
Kaspersky UDS:Trojan.Win32.Generic
BitDefender Trojan.Agent.EYLR
NANO-Antivirus Trojan.Win32.Agent.epwdel
Rising Trojan.Agent!1.D9AC (CLASSIC)
Ad-Aware Trojan.Agent.EYLR
Emsisoft Trojan.Agent.EYLR (B)
TrendMicro Suspicious
McAfee-GW-Edition BehavesLike.Win32.Generic.cc
Sophos Mal/Generic-S
Paloalto generic.ml
Jiangmin Trojan.Agent.dlnq
Avira TR/Crypt.ULPM.Gen
Antiy-AVL Trojan/Generic.ASMalwS.34AABA2
Gridinsoft Ransom.Win32.Wacatac.sa
Microsoft Trojan:Win32/Ymacco.AB58
ViRobot Trojan.Win32.Z.Agent.114688.LKP
GData Trojan.Agent.EYLR
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win.QE.C4744266
ALYac Trojan.Agent.EYLR
MAX malware (ai score=88)
VBA32 BScope.Trojan.Wacatac
Malwarebytes Malware.AI.626804014
Tencent Malware.Win32.Gencirc.10cf76d6
Yandex Trojan.Fuery!D+JupAt/MK4
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.7164915.susgen
Fortinet W32/Agent.ADMM!tr
AVG Win32:Malware-gen
Panda Trj/Genetic.gen
CrowdStrike win/malicious_confidence_100% (W)

How to remove Trojan:Win32/Ymacco.AB58?

  • 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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