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.

GridinSoft Anti-Malware

Gridinsoft Anti-Malware

Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.

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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.mlw
path: /opt/CAPEv2/storage/binaries/778741e4feb0e151991f19c8ac7127e2a328d6e8f719a7fc6257ab22b8fcf938
crc32: 11DD235E
md5: bc72f3dbcff48bdbd68859957311ce65
sha1: e574fd6d52ca49f9e73fe7bec2c197c7dbd7cbe4
sha256: 778741e4feb0e151991f19c8ac7127e2a328d6e8f719a7fc6257ab22b8fcf938
sha512: 48e61baba228150ff4cb6052f2b298a5f16b6c537910482ffa3bb41ba5d6bcb2c3b91aed486b149d479ac3742db43b37f73971f4d82ba0dd1ae339c3dcf6015d
ssdeep: 12288:9hkDgouVA2nxKkorvdRgQriDwOIxmxiZnYQE7PJcbNnR2duwn/iJP:LRmJkcoQricOIQxiZY1WNBJP
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1E5D49F21B5C69036C2B323B19E7EF76A9A3D7D360336D19B27C83D315E605816B29723
sha3_384: 62a9b8d54081f2efbf7f1da2d8b82c07f810f18bc974b2acd33b2f67e5595722012cddc9ab81237fa918f1960d2bff94
ep_bytes: e816900000e989feffffcccccccccc55
timestamp: 2012-01-29 21:32:28

Version Info:
FileDescription: 
FileVersion: 3, 3, 8, 1
CompiledScript: AutoIt v3 Script: 3, 3, 8, 1
Translation: 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?

PUA:Win32/Ymacco removal tool

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.

About the author

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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