Categories: Malware

About “Program:Win32/Ymacco.AA4F” infection

The Program:Win32/Ymacco.AA4F 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 Program:Win32/Ymacco.AA4F virus can do?

  • Authenticode signature is invalid
  • Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine Program:Win32/Ymacco.AA4F?


File Info:

name: 04666300D0D7D97D5F55.mlwpath: /opt/CAPEv2/storage/binaries/4f277cf171c80f8586a92c5de01c93cf8269f8531221a65f33848da871e24d86crc32: FC440DFAmd5: 04666300d0d7d97d5f55eff70a989a72sha1: 6bf0793c5efb964db760d2269ee5047e63516524sha256: 4f277cf171c80f8586a92c5de01c93cf8269f8531221a65f33848da871e24d86sha512: 95c7370ad58dc4904716a04e3369c0a0188b78bd9e189715d3f41c1c4162332e6e6599b48390a659f5dc0fa996c5efc4ee46461104e4b07a188c595012c23424ssdeep: 12288:WY+K8CbRrCnzgUg5PJC/pYLmkAvZbeW640Fy8u1SfGXhrjrMoSanD4sKCh+Jv7tv:WYJ8bTUF3ujJjhSm95Itype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1A2F4AE62FAC2C172E8B211718AF947371E39F572472952DB63E02A7D4D683E07D3934Asha3_384: 0b55010fa153dcc11295d937583384b93b8fdfaea71425ced84fc4a79442b94f7a912b1815224906b450b58489b091dbep_bytes: e818d20000e989feffff8bff558bec5dtimestamp: 2014-11-26 14:13:12

Version Info:

CompanyName: 边锋云更新FileDescription: ra2startFileVersion: 0.0.0.1InternalName: ra2startLegalCopyright: yc51OriginalFilename: ra2start.exeProductName: ra2startProductVersion: 0.0.0.1Translation: 0x0009 0x04b0

Program:Win32/Ymacco.AA4F also known as:

Bkav W32.AIDetectMalware
Lionic Virus.Win32.Alman.mAYo
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.40364234
ALYac Trojan.GenericKD.40364234
Malwarebytes Generic.Malware.AI.DDS
Sangfor Trojan.Win32.Agent.Vd5c
K7AntiVirus Trojan ( 0050725b1 )
K7GW Trojan ( 0050725b1 )
Cybereason malicious.0d0d7d
Symantec ML.Attribute.HighConfidence
tehtris Generic.Malware
ESET-NOD32 a variant of Win32/Packed.AAuto.A suspicious
APEX Malicious
Cynet Malicious (score: 100)
BitDefender Trojan.GenericKD.40364234
NANO-Antivirus Trojan.Win32.Diztakun.dlwxqd
Avast Win32:Malware-gen
Emsisoft Trojan.GenericKD.40364234 (B)
VIPRE Trojan.GenericKD.40364234
McAfee-GW-Edition BehavesLike.Win32.SoftPulse.bh
Trapmine malicious.high.ml.score
FireEye Generic.mg.04666300d0d7d97d
Sophos Mal/Generic-S
SentinelOne Static AI – Suspicious PE
GData Win32.Application.PSE.112WNVK
MAX malware (ai score=89)
Antiy-AVL RiskWare[RiskTool]/Win32.Agent
Xcitium Malware@#3lpgx1gng70u6
Arcabit Trojan.Generic.D267E8CA
Microsoft Program:Win32/Ymacco.AA4F
Google Detected
McAfee Artemis!04666300D0D7
VBA32 Trojan.Diztakun
Cylance unsafe
TrendMicro-HouseCall TROJ_GEN.R002H09BO23
Rising Trojan.Generic@AI.100 (RDML:f7aEqqYy+T96DL/Xuidw3A)
Yandex Trojan.DR.Injector!fIdLXvOUrVo
Ikarus Trojan-Dropper.Win32.Injector
MaxSecure Trojan.Malware.8272911.susgen
Fortinet W32/Injector.LLWB!tr
BitDefenderTheta Gen:NN.ZexaF.36318.Sq0@aaNyp0nG
AVG Win32:Malware-gen
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_60% (D)

How to remove Program:Win32/Ymacco.AA4F?

  • 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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