Categories: PUA

PUA:Win32/Ymacco (file analysis)

The PUA:Win32/Ymacco 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 PUA:Win32/Ymacco virus can do?

  • Sample contains Overlay data
  • Reads data out of its own binary image
  • Authenticode signature is invalid
  • CAPE detected the shellcode get eip malware family
  • Yara detections observed in process dumps, payloads or dropped files

How to determine PUA:Win32/Ymacco?


File Info:

name: BC72F3DBCFF48BDBD688.mlwpath: /opt/CAPEv2/storage/binaries/778741e4feb0e151991f19c8ac7127e2a328d6e8f719a7fc6257ab22b8fcf938crc32: 11DD235Emd5: bc72f3dbcff48bdbd68859957311ce65sha1: e574fd6d52ca49f9e73fe7bec2c197c7dbd7cbe4sha256: 778741e4feb0e151991f19c8ac7127e2a328d6e8f719a7fc6257ab22b8fcf938sha512: 48e61baba228150ff4cb6052f2b298a5f16b6c537910482ffa3bb41ba5d6bcb2c3b91aed486b149d479ac3742db43b37f73971f4d82ba0dd1ae339c3dcf6015dssdeep: 12288:9hkDgouVA2nxKkorvdRgQriDwOIxmxiZnYQE7PJcbNnR2duwn/iJP:LRmJkcoQricOIQxiZY1WNBJPtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1E5D49F21B5C69036C2B323B19E7EF76A9A3D7D360336D19B27C83D315E605816B29723sha3_384: 62a9b8d54081f2efbf7f1da2d8b82c07f810f18bc974b2acd33b2f67e5595722012cddc9ab81237fa918f1960d2bff94ep_bytes: e816900000e989feffffcccccccccc55timestamp: 2012-01-29 21:32:28

Version Info:

FileDescription: FileVersion: 3, 3, 8, 1CompiledScript: AutoIt v3 Script: 3, 3, 8, 1Translation: 0x0809 0x04b0

PUA:Win32/Ymacco also known as:

Bkav W32.AIDetectMalware
Lionic Trojan.Win32.Autoit.4!c
FireEye Generic.mg.bc72f3dbcff48bdb
Skyhigh BehavesLike.Win32.Ransomware.jh
McAfee RDN/Generic.grp
Malwarebytes Generic.Malware/Suspicious
Sangfor Trojan.Win32.Packed.Vpvc
K7AntiVirus Trojan ( 700000111 )
Alibaba Packed:Win32/Generic.c9897b73
K7GW Trojan ( 700000111 )
CrowdStrike win/malicious_confidence_90% (D)
Elastic malicious (high confidence)
ESET-NOD32 a variant of Win32/Packed.Autoit.NBT suspicious
Cynet Malicious (score: 100)
APEX Malicious
Kaspersky UDS:DangerousObject.Multi.Generic
Avast Win32:Malware-gen
Trapmine malicious.high.ml.score
Sophos Mal/Generic-S
SentinelOne Static AI – Suspicious PE
MAX malware (ai score=98)
Antiy-AVL Trojan/Win32.Autoit
Kingsoft malware.kb.a.1000
ZoneAlarm UDS:DangerousObject.Multi.Generic
Microsoft PUA:Win32/Ymacco
Cylance unsafe
TrendMicro-HouseCall TROJ_GEN.R002H07AG24
MaxSecure Trojan.Autoit.AZA
AVG Win32:Malware-gen
Cybereason malicious.d52ca4
DeepInstinct MALICIOUS

How to remove PUA:Win32/Ymacco?

  • 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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Paul Valéry

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